Severe Thunderstorm Warning 93, NWS Phoenix, AZ

Issued

Aug 18, 2021, 12:16 PM MST (19:16 UTC)

Expired

Aug 18, 2021, 12:45 PM MST

In force

29 min

Issued by

NWS Phoenix, AZ

Area

Storm-based polygon

Hail

0.75 in

Wind

60.0 mph

County Maricopa County, AZ

The Phoenix radar (KIWA), 84 km from the middle of the area, began a volume at 19:19 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

763 
WUUS55 KPSR 181916
SVRPSR
AZC013-181945-
/O.NEW.KPSR.SV.W.0093.210818T1916Z-210818T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Phoenix AZ
1216 PM MST Wed Aug 18 2021

The National Weather Service in Phoenix has issued a

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

* Until 1245 PM MST.

* At 1216 PM MST, a severe thunderstorm was located near New River,
  moving northeast at 15 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  New River, Cave Creek, Seven Springs and Anthem. 

This includes the following highways...
AZ Interstate 17 between mile markers 222 and 241.
AZ Route 74 between mile markers 29 and 30.
AZ Route 303 between mile markers 138 and 139.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

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

&&

LAT...LON 3402 11188 3389 11183 3376 11215 3395 11224
      3397 11219 3401 11218 3402 11216 3404 11216
TIME...MOT...LOC 1916Z 229DEG 15KT 3390 11203 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

INS

661 
WWUS55 KPSR 181927
SVSPSR

Severe Weather Statement
National Weather Service Phoenix AZ
1227 PM MST Wed Aug 18 2021

AZC013-181945-
/O.CON.KPSR.SV.W.0093.000000T0000Z-210818T1945Z/
Maricopa AZ-
1227 PM MST Wed Aug 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM MST
FOR MARICOPA COUNTY...

At 1226 PM MST, a severe thunderstorm was located 7 miles north of
Cave Creek, or 8 miles east of New River, moving northeast at 15 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
New River, Cave Creek, Seven Springs and Anthem. 

This includes the following highways...
AZ Interstate 17 between mile markers 222 and 241.
AZ Route 74 between mile markers 29 and 30.
AZ Route 303 between mile markers 138 and 139.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

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

&&

LAT...LON 3402 11188 3389 11183 3376 11215 3395 11224
      3397 11219 3401 11218 3402 11216 3404 11216
TIME...MOT...LOC 1926Z 229DEG 15KT 3393 11199 

HAIL...0.75IN
WIND...60MPH
 
$$

AD

Severe Thunderstorm Warnings in Arizona, 2021Every severe thunderstorm warning in 2021

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.