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Flash Flood Warning 0122
Issued by the Tucson Forecast Office

Action Issued Starts Expiration
New 2026-08-10 21:03:06 2026-08-10 21:02:00 2026-08-11 00:00:00
Continued 2026-08-10 22:32:39 2026-08-11 00:00:00
Expired 2026-08-10 23:55:54 2026-08-11 00:00:00


Action: New
Issued At: 2026-08-10 21:03:06

406 
WGUS55 KTWC 110202
FFWTWC
AZC019-110500-
/O.NEW.KTWC.FF.W.0122.260811T0202Z-260811T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tucson AZ
702 PM MST Mon Aug 10 2026

The National Weather Service in Tucson has issued a

* Flash Flood Warning for...
  West Central Pima County in southeastern Arizona...

* Until 1000 PM MST.

* At 702 PM MST, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Between 0.8 and 1.8 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...
  Organ Pipe Cactus National Monument, Ali Chugk, Pia Oik, Santa Cruz
  and Lukeville.

This includes Route 85 between mile markers 72 and 80.

This includes the following streams and drainages...
  Ali Chuk Wash, Siovi Shuatak Wash, San Cristobal Wash, Hali Murk
  Wash, Pisinimo Wash, Pia Oik Wash, Growler Wash, Vamori Wash, Gu Vo
  Wash, Aguajita Wash, Chukut Kuk Wash and San Simon Wash.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Remain alert for flooding even in locations not receiving rain.
Washes, streams, and rivers can become raging killer currents in a
matter of minutes, even from distant rainfall.

&&

LAT...LON 3195 11306 3206 11300 3203 11289 3196 11266
      3201 11233 3187 11228 3175 11239 3188 11280

FLASH FLOOD...RADAR INDICATED

$$

KJS


Action: Continued
Issued At: 2026-08-10 22:32:39

738 
WGUS75 KTWC 110332
FFSTWC

Flash Flood Statement
National Weather Service Tucson AZ
832 PM MST Mon Aug 10 2026

AZC019-110500-
/O.CON.KTWC.FF.W.0122.000000T0000Z-260811T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pima AZ-
832 PM MST Mon Aug 10 2026

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 10 PM MST THIS EVENING
FOR WEST CENTRAL PIMA COUNTY...

At 832 PM MST, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 1 and 2 inches of rain have
fallen. 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...
  Organ Pipe Cactus National Monument, Ali Chugk, Pia Oik, Santa Cruz
  and Lukeville.

This includes Route 85 between mile markers 72 and 79.

This includes the following streams and drainages...
  Ali Chuk Wash, Siovi Shuatak Wash, San Cristobal Wash, Hali Murk
  Wash, Pisinimo Wash, Pia Oik Wash, Growler Wash, Vamori Wash, Gu Vo
  Wash, Aguajita Wash, Chukut Kuk Wash and San Simon Wash.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Remain alert for flooding even in locations not receiving rain.
Washes, streams, and rivers can become raging killer currents in a
matter of minutes, even from distant rainfall.

&&

LAT...LON 3195 11306 3206 11300 3203 11289 3196 11266
      3201 11233 3187 11228 3175 11239 3188 11280

FLASH FLOOD...RADAR INDICATED

$$

KJS


Action: Expired
Issued At: 2026-08-10 23:55:54

736 
WGUS75 KTWC 110455
FFSTWC

Flash Flood Statement
National Weather Service Tucson AZ
955 PM MST Mon Aug 10 2026

AZC019-110505-
/O.EXP.KTWC.FF.W.0122.000000T0000Z-260811T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pima AZ-
955 PM MST Mon Aug 10 2026

...FLASH FLOOD WARNING WILL EXPIRE AT 10 PM MST THIS EVENING FOR WEST
CENTRAL PIMA COUNTY...

The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.

&&

LAT...LON 3195 11306 3206 11300 3203 11289 3196 11266
      3201 11233 3187 11228 3175 11239 3188 11280

$$

KJS



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