Arizona Flood Alert

Flash flooding is no longer expected to pose a threat. Please continue to heed remaining road closures.

THE NATIONAL WEATHER SERVICE WILL ALLOW SEVERE THUNDERSTORM WATCH 487 TO EXPIRE AT 9 PM MST THIS EVENING FOR THE FOLLOWING AREAS IN ARIZONA THIS ALLOWS TO EXPIRE 2 COUNTIES IN SOUTH CENTRAL ARIZONA PIMA IN SOUTHEAST ARIZONA SANTA CRUZ THIS INCLUDES THE CITIES OF NOGALES AND TUCSON.

* WHAT...Small stream flooding caused by excessive rainfall is expected. * WHERE...Central Pima County in southeastern Arizona... Southwestern Pinal County in southeastern Arizona... * WHEN...Until 230 AM MST Monday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Some low-water crossings may become impassable. * ADDITIONAL DETAILS... - At 823 PM MST, Doppler radar indicated between 1 and 3 inches of rainfall had fallen across significant portions of the Tohono O'odham Nation Sunday evening. Rainfall runoff will continue to drain into major wases overnight but minor flooding of roadway dips and other low-lying areas will persist into the early morning hours. Small stream flooding of normally dry washes is likely. - Some locations that will experience flooding include... Sells, Santa Rosa, Topawa, Pisinemo, Hickiwan, San Miguel, San Isidro, Ali Chukson, Covered Wells, Anegam, Gu Oidak, Vamori, Cockleburr, San Simon, South Komelik, North Komelik, Kohatk, Palo Verde Stand, Cowlic and Fresnal. - This includes Route 86 between mile markers 64 and 134. This includes the following Flash Flood Prone Locations... Sunland Gin Rd at Greene Wash, Indian Route 19 south of Topawa, Indian Route 20 at Cowlic and Sil Nakya Wash at Route 34. - http://www.weather.gov/safety/flood

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Gila County in east central Arizona... Maricopa County in south central Arizona... * WHEN...Until 900 PM MST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 810 PM MST, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 0.25 and 1 inch of rain has fallen. - Additional rainfall amounts up to 0.25 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Ballantine Trailhead, Round Valley, Sugarloaf Mountain, Sunflower, Sycamore Creek, Four Peaks, Tonto Basin, Canyon Lake, Apache Lake and Tortilla Flat. - http://www.weather.gov/safety/flood

At 808 PM MST, a wall of dust was along a line extending from near Downtown Glendale to Liberty to near Cotton Center, moving east at 30 mph. HAZARD...Less than one quarter mile with strong wind in excess of 40 mph. SOURCE...Public. IMPACT...Dangerous life-threatening travel. This includes the following highways... AZ Interstate 10 between mile markers 110 and 149. AZ Interstate 17 between mile markers 195 and 207. AZ Interstate 8 between mile markers 110 and 128. Locations impacted include... Phoenix, Glendale, Avondale, Goodyear, Buckeye, El Mirage, Tolleson, Youngtown, Gila Bend, Laveen, Cashion, Sun City, Litchfield Park, Palo Verde, and South Phoenix.

The National Weather Service in Phoenix has issued a * Dust Storm Warning for... Maricopa County in south central Arizona... * Until 900 PM MST. * At 801 PM MST, a wall of dust was along a line extending from near Metro Center to near Waddell to near Palo Verde to near Gila Bend, moving north at 40 mph. HAZARD...Less than a quarter mile visibility with strong wind in excess of 40 mph. SOURCE...Public. IMPACT...Dangerous life-threatening travel. * This includes the following highways... AZ Interstate 10 between mile markers 74 and 125. AZ Interstate 8 between mile markers 89 and 114. US Highway 60 between mile markers 99 and 154. Locations impacted include... Phoenix, Glendale, Peoria, Surprise, Goodyear, Buckeye, El Mirage, Wickenburg, Youngtown, Gila Bend, Tonopah, Sun City West, Waddell, Circle City, and Sun City.

* WHAT...Visibility between one-quarter and one mile in blowing dust expected. * WHERE...Gila Bend, Northwest Pinal County, Sonoran Desert Natl Monument, and West Pinal County. * WHEN...Until 9 PM MST this evening. * IMPACTS...Hazardous driving conditions due to reduced visibility.

At 745 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. Additional rainfall amounts up to 0.2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Santa Rosa, Anegam, Palo Verde Stand, Ak Chin, Cababi, Sil Nakya, Santa Rosa Ranch, San Luis - Sells District, San Luis, Rincon and Sikul Himathk. This includes the following Flash Flood Prone Locations... Sil Nakya Wash at Route 34.

At 744 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. Flooding impacts will continue, but no additional rainfall is expected. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Queens Well and Silver Bell.

At 740 PM MST, Doppler radar indicated earlier thunderstorms produced heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts up to 0.2 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Sells, Topawa, San Isidro, Kitt Peak, Ali Chukson, Gu Oidak, Cowlic, Fresnal, No:ligk, South Comobabi, Comobabi, Cababi, Artesia and Ali Molina. This includes Route 86 between mile markers 104 and 129. This includes the following Flash Flood Prone Locations... Indian Route 19 south of Topawa and Indian Route 20 at Cowlic. Flash flooding reported in Little Tucson Village.

FFWTWC The National Weather Service in Tucson has issued a * Flash Flood Warning for... Northern Pima County in southeastern Arizona... Southwestern Pinal County in southeastern Arizona... * Until 1045 PM MST. * At 738 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Cockleburr, Kohatk and Jack Rabbit. This includes the following Flash Flood Prone Locations... Sunland Gin Rd at Greene Wash.

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Gila County in east central Arizona... Maricopa County in south central Arizona... * WHEN...Until 815 PM MST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 724 PM MST, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 0.25 and 1 inch of rain has fallen. - Additional rainfall amounts up to 0.15 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Ballantine Trailhead, Round Valley, Sugarloaf Mountain, Sunflower, Sycamore Creek, Four Peaks, Tonto Basin, Canyon Lake, Apache Lake and Tortilla Flat. - http://www.weather.gov/safety/flood

FFWTWC The National Weather Service in Tucson has issued a * Flash Flood Warning for... North Central Pima County in southeastern Arizona... * Until 945 PM MST. * At 722 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Hickiwan, San Simon, Ventana, Vaya Chin and San Simon West. This includes Route 86 between mile markers 68 and 89.

The National Weather Service in Phoenix has issued a * Dust Storm Warning for... Maricopa County in south central Arizona... Pinal County in southeastern Arizona... * Until 845 PM MST. * At 713 PM MST, a wall of dust was along a line extending from Sun Lakes to Estrella Sailport to Big Horn, moving northwest at 30 mph. HAZARD...Less than a quarter mile visibility with strong wind in excess of 40 mph. SOURCE...Public. IMPACT...Dangerous life-threatening travel. * This includes the following highways... AZ Interstate 10 between mile markers 110 and 175. AZ Interstate 17 between mile markers 195 and 208. AZ Interstate 8 between mile markers 110 and 141. Locations impacted include... Phoenix, Chandler, Glendale, Tempe, Avondale, Goodyear, Buckeye, El Mirage, Tolleson, Youngtown, Gila Bend, Laveen, Cashion, Sun Lakes, and Sun City.

At 653 PM MST, Doppler radar was tracking strong thunderstorms along a line extending from near Olberg to 10 miles northwest of Chui-Chu. Movement was west at 40 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Chandler, Casa Grande, Sun Lakes, Maricopa, Queen Creek, Arizona City, Blackwater, Chandler Heights, San Tan Valley, Bapchule, Olberg, Arizola, San Tan Mountain Park, Sacaton, Santan, Stanfield, and Ak- Chin Village. This includes the following highways... AZ Interstate 10 between mile markers 166 and 202. AZ Interstate 8 between mile markers 147 and 178. AZ Route 87 between mile markers 139 and 161.

* WHAT...Visibility between one-quarter and one mile in blowing dust from thunderstorms this afternoon and evening. Wind gusts in excess of 50 mph possible. Localized dense blowing dust may bring visibility below one-quarter mile at times, especially in dust prone areas such as along Interstate 10 between Tucson and Phoenix. * WHERE...Baboquivari Mountains, South Central Pinal County, Tohono O'odham Nation, Tucson Metro Area, Upper Santa Cruz River Valley/Altar Valley, and Western Pima County. * WHEN...Until 9 PM MST this evening. * IMPACTS...Hazardous driving conditions due to reduced visibility.

FFWTWC The National Weather Service in Tucson has issued a * Flash Flood Warning for... North Central Pima County in southeastern Arizona... * Until 915 PM MST. * At 650 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Santa Rosa, Anegam, Palo Verde Stand, Ak Chin, Cababi, Sil Nakya, Santa Rosa Ranch, San Luis - Sells District, San Luis, Rincon and Sikul Himathk. This includes the following Flash Flood Prone Locations... Sil Nakya Wash at Route 34.

The National Weather Service in Phoenix has issued a * Dust Storm Warning for... Maricopa County in south central Arizona... Pinal County in southeastern Arizona... * Until 715 PM MST. * At 629 PM MST, a wall of dust was along a line extending from near Arizola to near Casa Grande to 11 miles northwest of Chui-Chu to 15 miles southeast of Freeman, moving northwest at 55 mph. HAZARD...Less than a quarter mile visibility with strong wind in excess of 40 mph. SOURCE...Public. IMPACT...Dangerous life-threatening travel. * This includes the following highways... AZ Interstate 10 between mile markers 174 and 205. AZ Interstate 8 between mile markers 134 and 178. AZ Route 87 between mile markers 124 and 129, and between mile markers 138 and 154. Locations impacted include... Casa Grande, Maricopa, Estrella, Arizona City, La Palma, Blackwater, Toltec, Big Horn, Bapchule, Freeman, Estrella Sailport, Olberg, Arizola, Sonoran National Monument, and Randolph.

SVRTWC The National Weather Service in Tucson has issued a * Severe Thunderstorm Warning for... North Central Pima County in southeastern Arizona... Southwestern Pinal County in southeastern Arizona... * Until 730 PM MST. * At 628 PM MST, severe thunderstorms were located along a line from 9 miles north of San Isidro to near Eloy, moving west at 15 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Eloy, Santa Rosa, Chui-Chu, Covered Wells, Anegam, Cockleburr, North Komelik, Kohatk, Palo Verde Stand, Ak Chin, Queens Well, Cababi, Comobabi, South Comobabi, Sil Nakya, Santa Rosa Ranch, San Luis - Sells District, Jack Rabbit and Mountain Village. This includes the following highways... Route 86 between mile markers 88 and 101...and near mile marker 130. Route 87 near mile marker 116. Interstate 10 between mile markers 205 and 211.

* WHAT...Flooding caused by excessive rainfall along the Nogales Wash. * WHERE...South Central Santa Cruz County in southeastern Arizona... * WHEN...Until 930 PM MST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 624 PM MST, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 1 inch of rain has fallen. - Additional rainfall amounts up to 0.2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Nogales. - This includes Route 82 between mile markers 3 and 4. - http://www.weather.gov/safety/flood