* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph.
* WHERE...In Arizona, Central La Paz and Parker Valley. In
California, Chuckwalla Mountains, Imperial Valley, and Palo Verde
Valley.
* WHEN...From 11 AM MST /11 AM PDT/ to 11 PM MST /11 PM PDT/
Saturday.
* IMPACTS...Difficult driving conditions, especially for larger
vehicles traveling along roads with crosswinds. Light, unsecured
objects may become airborne.
* AFFECTED AREA...Southern Gila County/Tonto National Forest
Foothills.
* TIMING...Friday morning through Sunday evening.
* WINDS...Southwest 15 to 25 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 10 percent.
* IMPACTS...Rapid spread and growth of any new or existing
fires. Fires will have the potential to exhibit extreme fire
behavior. Elevated potential for new fire starts.
* AFFECTED AREA...Yuma/Martinez Lake and Vicinity/Lower Colorado
River Valley AZ and Lower Colorado River Valley CA.
* TIMING...Friday morning through Saturday evening.
* WINDS...Southwest 20 to 30 mph with gusts up to 45 mph.
* RELATIVE HUMIDITY...As low as 5 percent.
* IMPACTS...Rapid spread and growth of any new or existing
fires. Fires will have the potential to exhibit extreme fire
behavior. Elevated potential for new fire starts.
...RED FLAG WARNING IN EFFECT FROM 10 AM SATURDAY TO 8 PM MST
SUNDAY FOR STRONG AND GUSTY WINDS, LOW RELATIVE HUMIDITY, AND
HIGH FIRE DANGER FOR FIRE WEATHER ZONES 150, 151, 152, 153, AND
154...
* AFFECTED AREA...Fire Weather Zones 150, 151, 152, 153 and 154.
* TIMING...From 10 AM Saturday to 8 PM MST Sunday.
* WINDS...Southwest 15 to 25 mph with gusts 35 to 40 mph.
* RELATIVE HUMIDITY...10 to 15 percent.
* IMPACTS...Any fires that develop or are ongoing will have the
potential to spread rapidly.
* WHAT...South winds 20 to 30 mph, with gusts up to 45 mph.
* WHERE...Oak Creek and Sycamore Canyons.
* WHEN...From 7 AM Saturday to 8 PM MST Sunday.
* IMPACTS...Gusty winds will blow around unsecured objects. Travel
could be difficult, especially for high profile vehicles. Tree
limbs could snap and may result in power outages.
* WHAT...Southwest winds 20 to 30 mph, with gusts from 45 to 55 mph.
Strongest winds in exposed areas and just northeast of higher
terrain features. Winds will decrease each night, but many
locations will still experience gusts over 40 mph.
* WHERE...Navajo Nation in Arizona, Little Colorado River Valley,
Mogollon Rim, Kaibab Plateau, Marble and Glen Canyons, Grand Canyon
Country, Coconino Plateau, and Yavapai County Mountains.
* WHEN...Until 8 PM MST /9 PM MDT/ Sunday.
* IMPACTS...Gusty winds will blow around unsecured objects. Travel
could be difficult, especially for high profile vehicles. Tree
limbs could snap and may result in power outages.
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Western Cochise County in southeastern Arizona...
* WHEN...Until 700 PM MST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Rises in small streams and normally dry washes. Water over
roadways.
* ADDITIONAL DETAILS...
- At 356 PM MST, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 0.5 and 1 inch of rain has
fallen.
- Additional rainfall amounts of 0.5 to 1 inch are expected over
the area. This additional rain will result in minor flooding.
- Some locations that will experience flooding include...
Benson.
- This includes the following highways...
Route 90 between mile markers 290 and 293. Route 80 between mile
markers 293 and 295. Interstate 10 between mile markers 302 and
309.
- http://www.weather.gov/safety/flood
...RED FLAG WARNING NOW IN EFFECT FOR STRONG WINDS AND LOW
HUMIDITY FOR MUCH OF SOUTHEASTERN CALIFORNIA, SOUTHERN NEVADA,
AND NORTHWESTERN ARIZONA FROM FRIDAY MORNING THROUGH SATURDAY
EVENING...
* TIMING...From Friday morning through Saturday evening.
* WIND...Southwest winds 20 to 30 mph with gusts to 40 to 50
mph.
* HUMIDITY...5 to 15 percent.
* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
FFWFGZ
The National Weather Service in Flagstaff has issued a
* Flash Flood Warning for...
The Antelope Creek basin in...
Coconino County in north central Arizona...
* Until 630 PM MST /730 PM MDT/.
* At 336 PM MST /436 PM MDT/, Doppler radar indicated thunderstorms
producing heavy rain over the Antelope Creek basin. Between 0.5 and
1 inch of rain has fallen. Flash flooding is ongoing or expected to
begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding in and around the Antelope Creek basin.
SOURCE...Radar indicated.
IMPACT...Life threatening flash flooding of areas in and around the
Antelope Creek basin.
* Some locations that will experience flash flooding include...
Cardiac Canyon, Canyon X, Wind Pebble Canyon, Porcupine Canyon,
Ramshead Canyon, Upper Antelope Canyon, Mountain Sheep Canyon,
Rattlesnake Canyon, Owl Canyon, LeChee and Lower Antelope Canyon.
This includes the following slot canyons...
Upper Antelope Canyon, Lower Antelope Canyon, Canyon X, Cardiac
Canyon, Owl Canyon, Rattlesnake Canyon, Mountain Sheep Canyon, Wind
Pebble Canyon and Porcupine Canyon.
This includes the following creeks, washes and rivers...
Peach Wash and Antelope Creek.
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...West Central Cochise County in southeastern Arizona,
through east Horse Ranch Road and surrounding areas east of St
David...
* WHEN...Until 445 PM MST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways.
* ADDITIONAL DETAILS...
- At 237 PM MST, Doppler radar and automated rain gauges indicated
heavy rain due to thunderstorms. Minor flooding is ongoing or
expected to begin shortly in the advisory area. Between 0.75 and
1.25 inches of rain have fallen.
- Some locations that will experience flooding include...
Mainly rural areas of West Central Cochise County between St
David and the Cochise Stronghold.
- http://www.weather.gov/safety/flood
...RED FLAG WARNING IN EFFECT FROM 10 AM SATURDAY TO 8 PM MST
SUNDAY FOR STRONG AND GUSTY WINDS, LOW RELATIVE HUMIDITY, AND
HIGH FIRE DANGER FOR FIRE WEATHER ZONES 150, 151, 152, 153, AND
154...
* AFFECTED AREA...Fire Weather Zones 150, 151, 152, 153 and 154.
* TIMING...From 10 AM Saturday to 8 PM MST Sunday.
* WINDS...Southwest 15 to 25 mph with gusts 35 to 40 mph.
* RELATIVE HUMIDITY...10 to 15 percent.
* IMPACTS...Any fires that develop or are ongoing will have the
potential to spread rapidly.
* WHAT...Dangerously hot conditions with afternoon temperatures of
106 to 109 degrees. Localized Major Heat Risk.
* WHERE...Southeast Pinal County, Tucson Metro Area, Upper Gila River
Valley, and Upper San Pedro River Valley (mainly north of Benson).
* WHEN...Until 8 PM MST this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...For the Extreme Heat Warning, dangerously hot conditions.
Afternoon temperatures 106 to 112 degrees. Major Heat Risk. For the
Wind Advisory, southwest winds 20 to 30 mph with gusts up to 45
mph.
* WHERE...In Arizona, Central La Paz and Parker Valley. In
California, Palo Verde Valley.
* WHEN...For the Extreme Heat Warning, until 8 PM MST /8 PM PDT/ this
evening. For the Wind Advisory, from 11 AM MST /11 AM PDT/ to 11 PM
MST /11 PM PDT/ Saturday.
* IMPACTS...Difficult driving conditions, especially for larger
vehicles traveling along roads with crosswinds. Light, unsecured
objects may become airborne. Heat related illnesses increase
significantly during extreme heat events.
* WHAT...For the Extreme Heat Warning, dangerously hot conditions.
Afternoon temperatures 106 to 112 degrees. Major Heat Risk. For the
Wind Advisory, southwest winds 20 to 30 mph with gusts up to 45
mph.
* WHERE...In Arizona, Central La Paz and Parker Valley. In
California, Palo Verde Valley.
* WHEN...For the Extreme Heat Warning, until 8 PM MST /8 PM PDT/ this
evening. For the Wind Advisory, from 11 AM MST /11 AM PDT/ to 11 PM
MST /11 PM PDT/ Saturday.
* IMPACTS...Difficult driving conditions, especially for larger
vehicles traveling along roads with crosswinds. Light, unsecured
objects may become airborne. Heat related illnesses increase
significantly during extreme heat events.
* WHAT...Dangerously hot conditions. Afternoon temperatures 109 to
112 degrees. Major Heat Risk.
* WHERE...Yuma.
* WHEN...Until 8 PM MST this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events. Overexposure can cause heat cramps and heat
exhaustion to develop and, without intervention, can lead to heat
stroke.
* WHAT...Dangerously hot conditions. Afternoon temperatures 108 to
112 degrees. Major Heat Risk.
* WHERE...The entire Phoenix metropolitan area.
* WHEN...Until 8 PM MST this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events. Overexposure can cause heat cramps and heat
exhaustion to develop and, without intervention, can lead to heat
stroke.
* ADDITIONAL DETAILS...In Maricopa County, call 2-1-1 to find a free
cooling center, transportation, water, and more.
http://www.maricopa.gov/heat
* AFFECTED AREA...Southern Gila County/Tonto National Forest
Foothills.
* TIMING...Friday morning through Sunday evening.
* WINDS...Southwest 15 to 25 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 10 percent.
* IMPACTS...Rapid spread and growth of any new or existing
fires. Fires will have the potential to exhibit extreme fire
behavior. Elevated potential for new fire starts.
* AFFECTED AREA...Yuma/Martinez Lake and Vicinity/Lower Colorado
River Valley AZ and Lower Colorado River Valley CA.
* TIMING...Friday morning through Saturday evening.
* WINDS...Southwest 15 to 30 mph with gusts up to 45 mph.
* RELATIVE HUMIDITY...As low as 5 percent.
* IMPACTS...Rapid spread and growth of any new or existing
fires. Fires will have the potential to exhibit extreme fire
behavior. Elevated potential for new fire starts.
* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph
expected.
* WHERE...Navajo Nation in Arizona, Little Colorado River Valley,
Mogollon Rim, Kaibab Plateau, Marble and Glen Canyons, Grand Canyon
Country, Coconino Plateau, and Yavapai County Mountains.
* WHEN...From 11 AM MST /noon MDT/ to 8 PM MST /9 PM MDT/ Friday.
* IMPACTS...Gusty winds will blow around unsecured objects. Travel
will be difficult, especially for high profile vehicles.
* WHAT...Critical fire weather conditions expected. Southwest winds
15-25 mph, gusts to 40 mph Friday, southwest winds 20 to 30 mph
with gusts up to 50 mph Saturday and Sunday. Expect winds to remain
elevated Saturday night. Relative humidity as low as 7 percent
desert areas, to 15-20 percent in forested locations.
* WHERE...Kaibab Plateau, Marble and Glen Canyons, Grand Canyon
Country, Coconino Plateau, Yavapai County Mountains, Northeast
Plateaus and Mesas Hwy 264 Northward, Chinle Valley, Chuska
Mountains and Defiance Plateau, Little Colorado River Valley in
Coconino County, Little Colorado River Valley in Navajo County,
Little Colorado River Valley in Apache County, Western Mogollon
Rim, Eastern Mogollon Rim, White Mountains, Northern Gila County,
Yavapai County Valleys and Basins, Oak Creek and Sycamore Canyons,
Black Mesa Area, and Northeast Plateaus and Mesas South of Hwy 264.
This includes portions of the Apache-Sitgreaves, Coconino, Kaibab,
Prescott, and Tonto national forests.
* WHEN...From 11 AM MST /noon MDT/ Friday to 8 PM MST /9 PM MDT/
Sunday.
* IMPACTS...Rapid spread and growth of any new or existing fires.
Fires will have the potential to exhibit extreme fire behavior.
Elevated potential for new fire starts. Winds may damage power
lines resulting in new fire starts.