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Severe Thunderstorm Warning 0037
Issued by the Phoenix Forecast Office

Action Issued Starts Expiration
New 2026-08-09 23:41:40 2026-08-09 23:41:00 2026-08-10 00:30:00
Continued 2026-08-10 00:04:10 2026-08-10 00:30:00
Expired 2026-08-10 00:31:11 2026-08-10 00:30:00


Action: New
Issued At: 2026-08-09 23:41:40

289 
WUUS55 KPSR 100441
SVRPSR
AZC013-100530-
/O.NEW.KPSR.SV.W.0037.260810T0441Z-260810T0530Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Phoenix AZ
941 PM MST Sun Aug 9 2026

The National Weather Service in Phoenix has issued a

* Severe Thunderstorm Warning for...
  Maricopa County in south central Arizona...

* Until 1030 PM MST.

* At 940 PM MST, a severe thunderstorm was located over Buckeye,
  moving west at 25 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Locations impacted include...
  Buckeye, Tonopah, Palo Verde, Perryville, White Tank Mountain Park,
  Liberty, Palo Verde Nuclear Generation Station, Wintersburg,
  Hassayampa, and Arlington.

This includes the following highways...
AZ Interstate 10 between mile markers 90 and 121.
AZ Route 85 between mile markers 146 and 154.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

This is a DANGEROUS SITUATION. This storm is producing widespread 
wind damage across the West Valley. SEEK SHELTER NOW inside a sturdy 
structure and stay away from windows!

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3364 11248 3331 11249 3328 11305 3372 11298
TIME...MOT...LOC 0440Z 098DEG 22KT 3352 11267 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

TW


Action: Continued
Issued At: 2026-08-10 00:04:10

938 
WWUS55 KPSR 100503
SVSPSR

Severe Weather Statement
National Weather Service Phoenix AZ
1003 PM MST Sun Aug 9 2026

AZC013-100530-
/O.CON.KPSR.SV.W.0037.000000T0000Z-260810T0530Z/
Maricopa AZ-
1003 PM MST Sun Aug 9 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM MST
FOR MARICOPA COUNTY...

At 1003 PM MST, a severe thunderstorm was located near Palo Verde, or
7 miles southwest of Buckeye, moving west at 20 mph.

HAZARD...70 mph wind gusts and ping pong ball size hail.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect 
         considerable tree damage. Wind damage is also likely to 
         mobile homes, roofs, and outbuildings.

Locations impacted include...
Buckeye, Tonopah, Palo Verde, Palo Verde Nuclear Generation Station,
Wintersburg, Hassayampa, and Arlington.

This includes the following highways...
AZ Interstate 10 between mile markers 90 and 119.
AZ Route 85 between mile markers 146 and 154.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3357 11255 3331 11249 3328 11305 3372 11298
      3371 11290
TIME...MOT...LOC 0503Z 083DEG 18KT 3340 11270 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

TW


Action: Expired
Issued At: 2026-08-10 00:31:11

674 
WWUS55 KPSR 100530 RRA
SVSPSR

Severe Weather Statement
National Weather Service Phoenix AZ
1030 PM MST Sun Aug 9 2026

AZC013-100540-
/O.EXP.KPSR.SV.W.0037.000000T0000Z-260810T0530Z/
Maricopa AZ-
1030 PM MST Sun Aug 9 2026

...THE SEVERE THUNDERSTORM WARNING FOR MARICOPA COUNTY HAS EXPIRED...

The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.  However, small
hail, gusty winds and heavy rain are still possible with this
thunderstorm.

Remember, a Severe Thunderstorm Warning still remains in effect for 
a portion of Western Maricopa County.

&&

LAT...LON 3357 11255 3331 11249 3328 11305 3372 11298
      3371 11290
TIME...MOT...LOC 0530Z 098DEG 22KT 3342 11287 

$$

TW



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