SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0142 PM CST Mon Mar 02 2026
Valid 022000Z - 031200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Organized severe thunderstorms are not forecast today and tonight.
...20Z Update...
Thunder probabilities were removed along the NC Coast, as the
low-level confluence zone and associated axis of instability has
shifted offshore. Thunder probabilities were also trimmed over the
MS Valley region, with the remaining probabilities focused where
warm-air advection at the nose of a developing low-level jet will be
strongest. Otherwise, isolated thunderstorms may form along
sea-breeze boundaries over the southern FL peninsula, and a few
lightning flashes remain possible through the remainder of the
period over the Intermountain West with the eastward progression of
an upper trough.
..Squitieri.. 03/02/2026
.PREV DISCUSSION... /ISSUED 1004 AM CST Mon Mar 02 2026/
...Synopsis...
An upper trough will move eastward across the Intermountain
West/Great Basin to the central Rockies and adjacent High Plains
through the period. Large-scale ascent associated with this upper
disturbance and adequate mid-level moisture will support isolated to
scattered thunderstorms from the Great Basin into parts of the
north-central High Plains. Scant instability will preclude a severe
risk with this activity.
Farther east, isolated thunderstorms appear possible tonight as
increasing low-level warm/moist advection contributes to the
development of weak MUCAPE across parts of the mid MS Valley and
vicinity. Farther east, convection capable of producing occasional
lightning may also occur across parts of coastal NC and south FL.
Weak shear and/or instability across all these regions should
preclude a meaningful severe threat today.
Read more
SPC 1930Z Day 3 Outlook
Day 3 Convective Outlook
NWS Storm Prediction Center Norman OK
0125 PM CST Mon Mar 02 2026
Valid 041200Z - 051200Z
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM NORTH TX TO
WESTERN AR...
...SUMMARY...
Isolated to scattered severe thunderstorms may occur from
mid-afternoon to evening Wednesday, centered on parts of north Texas
to western Arkansas. Large hail should be the primary hazard.
...Synopsis...
A lower-amplitude shortwave impulse will gradually move from the
central Great Plains to the Mid/Lower MO Valley, while a much more
amplified trough digs across the West. Surface cyclone reflection
will be nebulous in association with the lead wave, along a front
that should be quasi-stationary on Wednesday afternoon/evening. The
trailing portion of this front will advance north as a warm front in
west TX, downstream of the amplified wave in the West.
...Central TX to western AR...
Initially steep mid-level lapse rates in conjunction with further
boundary-layer moistening in the warm sector ahead of the front
should yield a broad plume of moderate MLCAPE from 1000-2000 J/kg by
mid-afternoon across much of central/eastern TX into eastern OK.
Weak mid-level height falls trailing from the NE/KS shortwave trough
and adequate convergence along the quasi-stationary should support
increasing convective development towards late afternoon. Deep-layer
shear with southern extent in TX will be weak owing to the
compactness of the jetlet attendant to the aforementioned trough.
Effective bulk shear should commonly hold around 15-25 kts. Shear
values will increase north of the Red River, but remain modest
relative to early spring climo. Transient supercell structures that
evolve into mainly multicell clusters are the anticipated modes. At
least isolated severe hail is anticipated, primarily in the
mid-afternoon to early evening, before organized cellular structures
diminish. The paucity of cyclogenesis/stronger deep-layer shear and
modest large-scale ascent may help marginalize the overall severe
threat.
...Ozarks to the Lower OH Valley...
Multiple rounds of convective potential are expected through the
period. Elevated storms should be ongoing on Wednesday morning and
will help define the northern extent of any surface-based
destabilization into the Mid-MS/Lower OH Valleys. The degree of
warm-sector insolation is questionable with potential for repeated
convective regeneration ahead of the KS/NE shortwave trough.
Conditionally, moderately favorable deep-layer shear could support a
few supercells and/or linear clusters near the quasi-stationary
front. As such, a swath of low severe probabilities remains
warranted, mainly from mid-afternoon into the evening Wednesday.
..Grams.. 03/02/2026
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SPC 1930Z Day 3 Outlook
Day 3 Convective Outlook
NWS Storm Prediction Center Norman OK
0125 PM CST Mon Mar 02 2026
Valid 041200Z - 051200Z
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM NORTH TX TO
WESTERN AR...
...SUMMARY...
Isolated to scattered severe thunderstorms may occur from
mid-afternoon to evening Wednesday, centered on parts of north Texas
to western Arkansas. Large hail should be the primary hazard.
...Synopsis...
A lower-amplitude shortwave impulse will gradually move from the
central Great Plains to the Mid/Lower MO Valley, while a much more
amplified trough digs across the West. Surface cyclone reflection
will be nebulous in association with the lead wave, along a front
that should be quasi-stationary on Wednesday afternoon/evening. The
trailing portion of this front will advance north as a warm front in
west TX, downstream of the amplified wave in the West.
...Central TX to western AR...
Initially steep mid-level lapse rates in conjunction with further
boundary-layer moistening in the warm sector ahead of the front
should yield a broad plume of moderate MLCAPE from 1000-2000 J/kg by
mid-afternoon across much of central/eastern TX into eastern OK.
Weak mid-level height falls trailing from the NE/KS shortwave trough
and adequate convergence along the quasi-stationary should support
increasing convective development towards late afternoon. Deep-layer
shear with southern extent in TX will be weak owing to the
compactness of the jetlet attendant to the aforementioned trough.
Effective bulk shear should commonly hold around 15-25 kts. Shear
values will increase north of the Red River, but remain modest
relative to early spring climo. Transient supercell structures that
evolve into mainly multicell clusters are the anticipated modes. At
least isolated severe hail is anticipated, primarily in the
mid-afternoon to early evening, before organized cellular structures
diminish. The paucity of cyclogenesis/stronger deep-layer shear and
modest large-scale ascent may help marginalize the overall severe
threat.
...Ozarks to the Lower OH Valley...
Multiple rounds of convective potential are expected through the
period. Elevated storms should be ongoing on Wednesday morning and
will help define the northern extent of any surface-based
destabilization into the Mid-MS/Lower OH Valleys. The degree of
warm-sector insolation is questionable with potential for repeated
convective regeneration ahead of the KS/NE shortwave trough.
Conditionally, moderately favorable deep-layer shear could support a
few supercells and/or linear clusters near the quasi-stationary
front. As such, a swath of low severe probabilities remains
warranted, mainly from mid-afternoon into the evening Wednesday.
..Grams.. 03/02/2026
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SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
1250 PM CST Mon Mar 02 2026
Valid 031200Z - 041200Z
A small portion of the Elevated area stretching from southeast
Colorado into far western Oklahoma was removed. Latest
high-resolution forecast guidance indicates that the warm front will
not lift as far to the northeast today before sliding back to the
southwest as a cold front tomorrow. HREF/REFS probabilities of
forecast elevated winds/RH were less than 15% in the removed portion
of the Elevated area. High clouds will be a mitigating factor
tomorrow over the southern High Plains and Rockies. The
aforementioned cold front sliding southwest through the
Oklahoma/Texas Panhandles, southeast Colorado, and northeast New
Mexico during the evening and subsequent precipitation across
portions of these areas will limit the duration of elevated to
locally critical conditions as well.
..Nauslar/Stearns.. 03/02/2026
.PREV DISCUSSION... /ISSUED 0202 AM CST Mon Mar 02 2026/
...Synopsis...
A mid-level shortwave trough over the Great Basin and Four Corners
will eject over the Rockies and High Plains Tuesday, deepening a lee
low over eastern CO. A trailing dryline and stronger flow aloft will
bolster surface winds ahead of a southward moving cold front. With
increasing winds and dry conditions forecast behind the dryline,
elevated to locally critical fire-weather concerns are expected over
the southern and central High Plains D2/Tuesday afternoon.
...Southern and central High Plains...
As the primary mid-level trough begins to eject eastward, moderate
height falls and increasing westerly flow aloft will deepen a
trailing lee trough/dryline across eastern CO/NM into western TX/OK.
Lee surface cyclone development across eastern CO should support
enhanced southwest winds across much of eastern NM, West TX and
portions of the OK/TX Panhandles. With surface winds expected to
reach 15-20 mph during the afternoon, downsloping and warm
temperatures will support low humidity below 20%. Overlapped with
areas of abundant dry fuels and recent fire activity, several hours
of elevated fire-weather conditions are probable Tuesday afternoon.
Some locally stronger winds (gusts 25-30 mph) could develop with RH
falling below 15% across the western TX Panhandle and eastern NM for
a few hours Tuesday mid afternoon. However, the duration of
sustained stronger winds beneath the weakening upper jet is expected
to be short as the surface low is forecast to move eastward. While
confidence is not overly high, a few hours of near critical
conditions are possible across eastern NM and the western TX
Panhandle, and an upgrade could be needed in future outlooks.
Fire-weather concerns should end overnight into early Wednesday as a
cold front moves south and low-level moisture increases.
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
1250 PM CST Mon Mar 02 2026
Valid 031200Z - 041200Z
A small portion of the Elevated area stretching from southeast
Colorado into far western Oklahoma was removed. Latest
high-resolution forecast guidance indicates that the warm front will
not lift as far to the northeast today before sliding back to the
southwest as a cold front tomorrow. HREF/REFS probabilities of
forecast elevated winds/RH were less than 15% in the removed portion
of the Elevated area. High clouds will be a mitigating factor
tomorrow over the southern High Plains and Rockies. The
aforementioned cold front sliding southwest through the
Oklahoma/Texas Panhandles, southeast Colorado, and northeast New
Mexico during the evening and subsequent precipitation across
portions of these areas will limit the duration of elevated to
locally critical conditions as well.
..Nauslar/Stearns.. 03/02/2026
.PREV DISCUSSION... /ISSUED 0202 AM CST Mon Mar 02 2026/
...Synopsis...
A mid-level shortwave trough over the Great Basin and Four Corners
will eject over the Rockies and High Plains Tuesday, deepening a lee
low over eastern CO. A trailing dryline and stronger flow aloft will
bolster surface winds ahead of a southward moving cold front. With
increasing winds and dry conditions forecast behind the dryline,
elevated to locally critical fire-weather concerns are expected over
the southern and central High Plains D2/Tuesday afternoon.
...Southern and central High Plains...
As the primary mid-level trough begins to eject eastward, moderate
height falls and increasing westerly flow aloft will deepen a
trailing lee trough/dryline across eastern CO/NM into western TX/OK.
Lee surface cyclone development across eastern CO should support
enhanced southwest winds across much of eastern NM, West TX and
portions of the OK/TX Panhandles. With surface winds expected to
reach 15-20 mph during the afternoon, downsloping and warm
temperatures will support low humidity below 20%. Overlapped with
areas of abundant dry fuels and recent fire activity, several hours
of elevated fire-weather conditions are probable Tuesday afternoon.
Some locally stronger winds (gusts 25-30 mph) could develop with RH
falling below 15% across the western TX Panhandle and eastern NM for
a few hours Tuesday mid afternoon. However, the duration of
sustained stronger winds beneath the weakening upper jet is expected
to be short as the surface low is forecast to move eastward. While
confidence is not overly high, a few hours of near critical
conditions are possible across eastern NM and the western TX
Panhandle, and an upgrade could be needed in future outlooks.
Fire-weather concerns should end overnight into early Wednesday as a
cold front moves south and low-level moisture increases.
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1121 AM CST Mon Mar 02 2026
Valid 031200Z - 041200Z
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FROM WESTERN
NORTH TX TO EASTERN KS...
...SUMMARY...
Isolated large hail may occur during Tuesday evening into Tuesday
night across a portion of the southern to central Great Plains.
...Synopsis...
A lower-amplitude, positive-tilt shortwave trough, consisting of
multiple embedded impulses, will gradually move east from the
southern Rockies/eastern Great Basin to the central Great and
southern High Plains through early Wednesday. A modest lee cyclone
will ripple southward across the southern High Plains, mainly in the
second half of the period. An eastward-extending initial warm front
will stall and oscillate back southeastward as a cold front on
Tuesday night. A dryline should mix east across much of the TX
Panhandle through Tuesday afternoon.
...Northwest TX to eastern KS...
Potential for sustaining deep convection along the dryline appears
slim through late afternoon Tuesday, amid very steep mid-level lapse
rates, modest boundary-layer moisture, and initially weak
convergence along the boundary. Thunderstorm probabilities will
increase during the evening as the surface front accelerates south,
with the 06Z ECMWF and NSSL-MPAS indicative of convective
development to the immediate cool side of the front in the southeast
TX Panhandle vicinity. While the unconditional probability is low,
there is potential for large hail within a conditionally favorable
environment for a couple supercells. More probable, rather elevated
convective development is anticipated farther north from northwest
OK into south-central KS towards late evening into the overnight.
Initially steep mid-level lapse rates and ample speed shear through
the cloud-bearing layer should support isolated severe hail. But an
increasingly predominant cluster mode and southeast progression of
the surface front should yield subsiding hail magnitudes downstream
in the early morning Wednesday.
..Grams.. 03/02/2026
Read more
SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1121 AM CST Mon Mar 02 2026
Valid 031200Z - 041200Z
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FROM WESTERN
NORTH TX TO EASTERN KS...
...SUMMARY...
Isolated large hail may occur during Tuesday evening into Tuesday
night across a portion of the southern to central Great Plains.
...Synopsis...
A lower-amplitude, positive-tilt shortwave trough, consisting of
multiple embedded impulses, will gradually move east from the
southern Rockies/eastern Great Basin to the central Great and
southern High Plains through early Wednesday. A modest lee cyclone
will ripple southward across the southern High Plains, mainly in the
second half of the period. An eastward-extending initial warm front
will stall and oscillate back southeastward as a cold front on
Tuesday night. A dryline should mix east across much of the TX
Panhandle through Tuesday afternoon.
...Northwest TX to eastern KS...
Potential for sustaining deep convection along the dryline appears
slim through late afternoon Tuesday, amid very steep mid-level lapse
rates, modest boundary-layer moisture, and initially weak
convergence along the boundary. Thunderstorm probabilities will
increase during the evening as the surface front accelerates south,
with the 06Z ECMWF and NSSL-MPAS indicative of convective
development to the immediate cool side of the front in the southeast
TX Panhandle vicinity. While the unconditional probability is low,
there is potential for large hail within a conditionally favorable
environment for a couple supercells. More probable, rather elevated
convective development is anticipated farther north from northwest
OK into south-central KS towards late evening into the overnight.
Initially steep mid-level lapse rates and ample speed shear through
the cloud-bearing layer should support isolated severe hail. But an
increasingly predominant cluster mode and southeast progression of
the surface front should yield subsiding hail magnitudes downstream
in the early morning Wednesday.
..Grams.. 03/02/2026
Read more
SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1121 AM CST Mon Mar 02 2026
Valid 031200Z - 041200Z
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FROM WESTERN
NORTH TX TO EASTERN KS...
...SUMMARY...
Isolated large hail may occur during Tuesday evening into Tuesday
night across a portion of the southern to central Great Plains.
...Synopsis...
A lower-amplitude, positive-tilt shortwave trough, consisting of
multiple embedded impulses, will gradually move east from the
southern Rockies/eastern Great Basin to the central Great and
southern High Plains through early Wednesday. A modest lee cyclone
will ripple southward across the southern High Plains, mainly in the
second half of the period. An eastward-extending initial warm front
will stall and oscillate back southeastward as a cold front on
Tuesday night. A dryline should mix east across much of the TX
Panhandle through Tuesday afternoon.
...Northwest TX to eastern KS...
Potential for sustaining deep convection along the dryline appears
slim through late afternoon Tuesday, amid very steep mid-level lapse
rates, modest boundary-layer moisture, and initially weak
convergence along the boundary. Thunderstorm probabilities will
increase during the evening as the surface front accelerates south,
with the 06Z ECMWF and NSSL-MPAS indicative of convective
development to the immediate cool side of the front in the southeast
TX Panhandle vicinity. While the unconditional probability is low,
there is potential for large hail within a conditionally favorable
environment for a couple supercells. More probable, rather elevated
convective development is anticipated farther north from northwest
OK into south-central KS towards late evening into the overnight.
Initially steep mid-level lapse rates and ample speed shear through
the cloud-bearing layer should support isolated severe hail. But an
increasingly predominant cluster mode and southeast progression of
the surface front should yield subsiding hail magnitudes downstream
in the early morning Wednesday.
..Grams.. 03/02/2026
Read more
SPC 1630Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1004 AM CST Mon Mar 02 2026
Valid 021630Z - 031200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Organized severe thunderstorms are not forecast today and tonight.
...Synopsis...
An upper trough will move eastward across the Intermountain
West/Great Basin to the central Rockies and adjacent High Plains
through the period. Large-scale ascent associated with this upper
disturbance and adequate mid-level moisture will support isolated to
scattered thunderstorms from the Great Basin into parts of the
north-central High Plains. Scant instability will preclude a severe
risk with this activity.
Farther east, isolated thunderstorms appear possible tonight as
increasing low-level warm/moist advection contributes to the
development of weak MUCAPE across parts of the mid MS Valley and
vicinity. Farther east, convection capable of producing occasional
lightning may also occur across parts of coastal NC and south FL.
Weak shear and/or instability across all these regions should
preclude a meaningful severe threat today.
..Smith/Wendt.. 03/02/2026
Read more
SPC 1630Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1004 AM CST Mon Mar 02 2026
Valid 021630Z - 031200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Organized severe thunderstorms are not forecast today and tonight.
...Synopsis...
An upper trough will move eastward across the Intermountain
West/Great Basin to the central Rockies and adjacent High Plains
through the period. Large-scale ascent associated with this upper
disturbance and adequate mid-level moisture will support isolated to
scattered thunderstorms from the Great Basin into parts of the
north-central High Plains. Scant instability will preclude a severe
risk with this activity.
Farther east, isolated thunderstorms appear possible tonight as
increasing low-level warm/moist advection contributes to the
development of weak MUCAPE across parts of the mid MS Valley and
vicinity. Farther east, convection capable of producing occasional
lightning may also occur across parts of coastal NC and south FL.
Weak shear and/or instability across all these regions should
preclude a meaningful severe threat today.
..Smith/Wendt.. 03/02/2026
Read more
SPC Day 1 Fire Weather Outlook
Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0944 AM CST Mon Mar 02 2026
Valid 021700Z - 031200Z
Minimal changes were made to the outlook based on the latest
observations and high-resolution forecast guidance. Please see the
previous discussion for more details.
..Nauslar/Stearns.. 03/02/2026
.PREV DISCUSSION... /ISSUED 0202 AM CST Mon Mar 02 2026/
...Synopsis...
Low-amplitude ridging over the Southwest is forecast to break down
and move eastward ahead of a mid-level trough moving from central CA
into the western Great Basin. Westerly flow aloft is forecast to
increase over parts of the Southwest and southern Rockies in
response. While the stronger flow will remain to the west, dry
downslope winds and warm temperatures are expected to support
elevated fire-weather conditions this afternoon from eastern NM into
parts of CO.
...Eastern NM and central/southern CO...
Ahead of the advancing mid-level trough, downslope winds are
expected across parts of the southern Rockies and immediate
foothills. The backdoor cold front across the High Plains will
modify quickly as lee troughing intensifies in response to the
strengthening flow aloft. This will support downslope winds of 15-20
mph through the afternoon. This, along with warm temperatures,
should support afternoon RH values as low as 15%. Overlapped with
abundant fine fuels and recent fire activity, several hours of
elevated fire-weather conditions are possible.
Similar dry and breezy conditions are expected farther west near the
Four Corners, beneath the upper trough this afternoon. However,
fuels here are much less receptive than farther east. While some
localized fire-weather conditions are possible, limited fuels should
negate more widespread fire-weather concerns.
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
SPC Day 1 Fire Weather Outlook
Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0944 AM CST Mon Mar 02 2026
Valid 021700Z - 031200Z
Minimal changes were made to the outlook based on the latest
observations and high-resolution forecast guidance. Please see the
previous discussion for more details.
..Nauslar/Stearns.. 03/02/2026
.PREV DISCUSSION... /ISSUED 0202 AM CST Mon Mar 02 2026/
...Synopsis...
Low-amplitude ridging over the Southwest is forecast to break down
and move eastward ahead of a mid-level trough moving from central CA
into the western Great Basin. Westerly flow aloft is forecast to
increase over parts of the Southwest and southern Rockies in
response. While the stronger flow will remain to the west, dry
downslope winds and warm temperatures are expected to support
elevated fire-weather conditions this afternoon from eastern NM into
parts of CO.
...Eastern NM and central/southern CO...
Ahead of the advancing mid-level trough, downslope winds are
expected across parts of the southern Rockies and immediate
foothills. The backdoor cold front across the High Plains will
modify quickly as lee troughing intensifies in response to the
strengthening flow aloft. This will support downslope winds of 15-20
mph through the afternoon. This, along with warm temperatures,
should support afternoon RH values as low as 15%. Overlapped with
abundant fine fuels and recent fire activity, several hours of
elevated fire-weather conditions are possible.
Similar dry and breezy conditions are expected farther west near the
Four Corners, beneath the upper trough this afternoon. However,
fuels here are much less receptive than farther east. While some
localized fire-weather conditions are possible, limited fuels should
negate more widespread fire-weather concerns.
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
MD 0126 CONCERNING WINTER MIXED PRECIPITATION FOR EASTERN INDIANA...CENTRAL AND SOUTHERN OHIO...AND NORTHERN KENTUCKY.
Mesoscale Discussion 0126
NWS Storm Prediction Center Norman OK
0529 AM CST Mon Mar 02 2026
Areas affected...Eastern Indiana...central and southern Ohio...and
northern Kentucky.
Concerning...Winter mixed precipitation
Valid 021129Z - 021400Z
SUMMARY...Moderate snow and light to moderate freezing rain/sleet
will continue this morning.
DISCUSSION...Moderate isentropic ascent ahead of a weak mid-level
shortwave trough has resulted in a broad region of light to moderate
precipitation within the Ohio Valley. On the northern extent of this
precipitation shield, some frontogenetical banding (centered around
700mb) has resulted in moderate snow across portions of eastern
Indiana into central Ohio. South of this snow band, warmer
temperatures aloft have resulted in a combination of sleet and
freezing rain. The wet-bulb zero line is centered near I-64 this
morning and will likely delineate the area to the south with mostly
rain and the area to the north which could see some ice accretion
(up to 0.05 inches per hour) for a few hours this morning.
This combination of moderate snow across central Ohio and mixed
precipitation across southeast Indiana, southern Ohio, and northern
Kentucky will continue through mid morning, before temperatures warm
above freezing and it changes to all rain across most of the region
by late morning.
..Bentley.. 03/02/2026
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...PBZ...RLX...JKL...ILN...LMK...IWX...IND...
LAT...LON 40388538 40288374 40018241 39478148 39038180 38368254
38228376 38228476 38318556 38478609 38708643 39228657
39768640 40388538
Read more
SPC 1300Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0630 AM CST Mon Mar 02 2026
Valid 021300Z - 031200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Organized severe thunderstorms are not forecast today and tonight.
...Synopsis and Discussion...
An upper trough will move eastward across the Intermountain
West/Great Basin to the central Rockies and adjacent High Plains
through the period. Although low-level moisture will remain quite
limited, cool temperatures aloft and large-scale ascent preceding
the upper trough should encourage isolated to scattered
thunderstorms across these areas today and tonight. Instability is
expected to remain too limited to support an organized severe
threat, although occasional gusty winds may occur.
Isolated thunderstorms appear possible mainly tonight into early
Tuesday morning across parts of the mid MS Valley and vicinity,
aided mainly by increasing low-level warm/moist advection and the
development of weak MUCAPE. Farther east, convection capable of
producing occasional lightning may also occur across parts of
coastal NC and south FL. Weak shear and/or instability across all
these regions should preclude a meaningful severe threat today.
..Gleason/Bentley.. 03/02/2026
Read more
SPC 1300Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0630 AM CST Mon Mar 02 2026
Valid 021300Z - 031200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Organized severe thunderstorms are not forecast today and tonight.
...Synopsis and Discussion...
An upper trough will move eastward across the Intermountain
West/Great Basin to the central Rockies and adjacent High Plains
through the period. Although low-level moisture will remain quite
limited, cool temperatures aloft and large-scale ascent preceding
the upper trough should encourage isolated to scattered
thunderstorms across these areas today and tonight. Instability is
expected to remain too limited to support an organized severe
threat, although occasional gusty winds may occur.
Isolated thunderstorms appear possible mainly tonight into early
Tuesday morning across parts of the mid MS Valley and vicinity,
aided mainly by increasing low-level warm/moist advection and the
development of weak MUCAPE. Farther east, convection capable of
producing occasional lightning may also occur across parts of
coastal NC and south FL. Weak shear and/or instability across all
these regions should preclude a meaningful severe threat today.
..Gleason/Bentley.. 03/02/2026
Read more
Day 4-8 Outlook
Day 4-8 Convective Outlook
NWS Storm Prediction Center Norman OK
0358 AM CST Mon Mar 02 2026
Valid 051200Z - 101200Z
...DISCUSSION...
...Thursday/Day 4 and Friday/Day 5...
At mid-levels, a shortwave trough is forecast to move through the
mid Mississippi Valley on Thursday as flow remains southwesterly
across the south-central U.S. An upper-level system will be located
in the Desert Southwest. At the surface, moisture advection is
forecast across the southern Plains, where surface dewpoints will be
mostly in the 50s and 60s F by afternoon. As surface temperatures
warm during the day, an axis of moderate instability is forecast to
develop to the east of a dryline from west-central Texas
north-northeastward into the eastern Texas Panhandle and western
Oklahoma. Along this axis of instability, moderate deep-layer is
forecast, along with steep mid-level lapse rates. This will likely
support a severe threat during the afternoon and evening. Supercells
with large hail, damaging wind gusts and a tornado threat will be
possible.
On Friday, mid-level southwesterly flow will strengthen across parts
of the southern and central Plains, as a mid-level jet ejects
northeastward into the central U.S. At the surface, a moist airmass
with moderate instability is forecast to be in place by afternoon
from north-central Texas north-northeastward into the lower Missouri
Valley. Model forecasts are in agreement that scattered
thunderstorms will develop across this unstable airmass during the
afternoon and evening. Moderate deep-layer shear and steep mid-level
lapse rates should be favorable for supercells with large hail. Wind
damage and tornadoes will also be possible with supercells and
bowing line segments. Some solutions suggest that the threat will
persist into the overnight period as a low-level jet ramps up across
the region.
...Saturday/Day 6 to Monday/Day 8...
Mid-level southwesterly flow is expected to continue over the
south-central U.S. on Saturday, as a cold front moves southward
across the southern Plains and Ozarks. To the south of the front,
the models forecast pockets of moderate instability, and suggest
that scattered to numerous thunderstorms will develop. In addition,
moderate to strong deep-layer shear is forecast across the northern
edge of the moist sector. Model consensus suggests that a severe
threat will develop Saturday afternoon and evening, mainly from
west-central Texas northeastward into the western Ozarks.
The cold front is forecast to continue moving southward into the
western Gulf Coast states on Sunday. Scattered thunderstorms are
forecast to develop near and to the south of the front Sunday
afternoon, where an isolated severe threat will be possible.
Confidence is low concerning the spatial distribution of any
potential threat. On Monday, a shortwave ridge is forecast to move
over the top of a moist airmass in the southern Plains. This
scenario could support an isolated severe threat in the afternoon.
However, uncertainty is high at this range in the forecast period.
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Day 4-8 Outlook
Day 4-8 Convective Outlook
NWS Storm Prediction Center Norman OK
0358 AM CST Mon Mar 02 2026
Valid 051200Z - 101200Z
...DISCUSSION...
...Thursday/Day 4 and Friday/Day 5...
At mid-levels, a shortwave trough is forecast to move through the
mid Mississippi Valley on Thursday as flow remains southwesterly
across the south-central U.S. An upper-level system will be located
in the Desert Southwest. At the surface, moisture advection is
forecast across the southern Plains, where surface dewpoints will be
mostly in the 50s and 60s F by afternoon. As surface temperatures
warm during the day, an axis of moderate instability is forecast to
develop to the east of a dryline from west-central Texas
north-northeastward into the eastern Texas Panhandle and western
Oklahoma. Along this axis of instability, moderate deep-layer is
forecast, along with steep mid-level lapse rates. This will likely
support a severe threat during the afternoon and evening. Supercells
with large hail, damaging wind gusts and a tornado threat will be
possible.
On Friday, mid-level southwesterly flow will strengthen across parts
of the southern and central Plains, as a mid-level jet ejects
northeastward into the central U.S. At the surface, a moist airmass
with moderate instability is forecast to be in place by afternoon
from north-central Texas north-northeastward into the lower Missouri
Valley. Model forecasts are in agreement that scattered
thunderstorms will develop across this unstable airmass during the
afternoon and evening. Moderate deep-layer shear and steep mid-level
lapse rates should be favorable for supercells with large hail. Wind
damage and tornadoes will also be possible with supercells and
bowing line segments. Some solutions suggest that the threat will
persist into the overnight period as a low-level jet ramps up across
the region.
...Saturday/Day 6 to Monday/Day 8...
Mid-level southwesterly flow is expected to continue over the
south-central U.S. on Saturday, as a cold front moves southward
across the southern Plains and Ozarks. To the south of the front,
the models forecast pockets of moderate instability, and suggest
that scattered to numerous thunderstorms will develop. In addition,
moderate to strong deep-layer shear is forecast across the northern
edge of the moist sector. Model consensus suggests that a severe
threat will develop Saturday afternoon and evening, mainly from
west-central Texas northeastward into the western Ozarks.
The cold front is forecast to continue moving southward into the
western Gulf Coast states on Sunday. Scattered thunderstorms are
forecast to develop near and to the south of the front Sunday
afternoon, where an isolated severe threat will be possible.
Confidence is low concerning the spatial distribution of any
potential threat. On Monday, a shortwave ridge is forecast to move
over the top of a moist airmass in the southern Plains. This
scenario could support an isolated severe threat in the afternoon.
However, uncertainty is high at this range in the forecast period.
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SPC 0830Z Day 3 Outlook
Day 3 Convective Outlook
NWS Storm Prediction Center Norman OK
0224 AM CST Mon Mar 02 2026
Valid 041200Z - 051200Z
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF
THE SOUTHERN PLAINS AND WESTERN OZARKS...
...SUMMARY...
Severe storms with large hail and damaging wind gusts will be
possible on Wednesday from the southern Plains into the western
Ozarks. Marginally severe storms will be possible from the northern
Ozarks into the Ohio Valley.
...Southern Plains/Western Ozarks...
At mid-levels, a shortwave trough will move into the southern and
central Plains on Wednesday. At the surface, a cold front will
advance southeastward into the southern Plains and western Ozarks.
Ahead of the front, surface dewpoints will be in the 60s F. As
surface temperatures warm during the day across this moist airmass,
pockets of moderate instability appear likely to develop from
north-central and northeast Texas into southeastern Oklahoma and
western Arkansas. As low-level convergence increases near the front
in the afternoon, scattered thunderstorms are expected to form.
Isolated thunderstorms will also be possible to the south and east
of the front over the warm sector. Forecast soundings at 21Z from
northeast Texas into western Arkansas have MLCAPE peaking in the
1200 to 1500 J/kg range, with 0-6 km shear around 40 knots. In
addition, 700 to 500 mb lapse rates are forecast to be in the 7.5 to
8 C/km range. This environment will support severe thunderstorms in
the afternoon and evening, with a potential for large hail and
severe wind gusts, and perhaps a tornado threat. The severe threat
will be maximized in areas with supercell development. The severe
threat will likely persist into the late evening as a low-level jet
strengthens.
...Northern Ozarks/Mid Mississippi and Ohio Valleys...
West-southwesterly mid-level flow will be located from the mid
Mississippi Valley eastward into the Ohio Valley on Wednesday. At
the surface, a low will move eastward from northern Missouri into
north-central Illinois during the day. A warm front will advance
northward across Illinois, Indiana and Ohio. To the south of the
warm front, surface dewpoints in the 50s F will contribute to the
development of weak instability. Along the instability axis, a 30 to
40 knot low-level jet is forecast to consolidate over the Ohio
Valley in the afternoon and evening. Lift associated with the
low-level jet will support the formation of isolated to scattered
thunderstorms. Effective shear near 40 knots and 700-500 mb lapse
rates around 7.5 C/km should be favorable for a marginal severe
threat. Hail and isolated severe wind gusts will be possible.
..Broyles.. 03/02/2026
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