Severe Thunderstorm Warning 70, NWS Phoenix, AZ

Issued

Aug 13, 2021, 11:43 PM MST (06:43 UTC)

Expired

Aug 14, 2021, 12:30 AM MST

In force

47 min

Issued by

NWS Phoenix, AZ

Area

Storm-based polygon

Hail

0.75 in

Wind

60.0 mph

Counties La Paz County, AZ, Maricopa County, AZ, Yuma County, AZ

The Yuma radar (KYUX), 129 km from the middle of the area, began a volume at 06:46 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

539 
WUUS55 KPSR 140643
SVRPSR
AZC012-013-027-140730-
/O.NEW.KPSR.SV.W.0070.210814T0643Z-210814T0730Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Phoenix AZ
1143 PM MST Fri Aug 13 2021

The National Weather Service in Phoenix has issued a

* Severe Thunderstorm Warning for...
  East central La Paz County in west central Arizona...
  Northeastern Yuma County in southwestern Arizona...
  Maricopa County in south central Arizona...

* Until 1230 AM MST.

* At 1143 PM MST, severe thunderstorms were located along a line
  extending from 15 miles southeast of Vicksburg Junction to 13 miles
  north of Sundad, moving southwest at 35 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Palm Canyon.

This includes the following highways...
AZ Interstate 10 between mile markers 41 and 78.
US Highway 60 between mile markers 48 and 49.

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 these storms. 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 these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3323 11412 3302 11383 3295 11351 3347 11310
      3361 11328 3373 11372 3353 11400
TIME...MOT...LOC 0643Z 040DEG 30KT 3353 11361 3341 11345 3338 11329 

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

$$

SDB

649 
WWUS55 KPSR 140703 RRA
SVSPSR

Severe Weather Statement
National Weather Service Phoenix AZ
1203 AM MST Sat Aug 14 2021

AZC012-013-027-140730-
/O.CON.KPSR.SV.W.0070.000000T0000Z-210814T0730Z/
La Paz AZ-Yuma AZ-Maricopa AZ-
1203 AM MST Sat Aug 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM MST
FOR EAST CENTRAL LA PAZ...NORTHEASTERN YUMA AND MARICOPA COUNTIES...

At 1203 AM MST, severe thunderstorms were located along a line
extending from 17 miles east of Kofa Wildlife Refuge to 28 miles
southeast of Vicksburg Junction to 8 miles north of Sundad, moving
southwest at 20 mph.

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

SOURCE...Radar indicated.

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

These severe thunderstorms will remain over mainly rural areas of
east central La Paz, northeastern Yuma and Maricopa Counties.

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 these storms.
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 these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3297 11349 3307 11379 3329 11397 3350 11385
      3361 11369 3355 11331 3347 11310
TIME...MOT...LOC 0703Z 039DEG 19KT 3342 11372 3338 11347 3331 11327 

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

$$

CK

017 
WWUS55 KPSR 140728
SVSPSR

Severe Weather Statement
National Weather Service Phoenix AZ
1228 AM MST Sat Aug 14 2021

AZC012-013-027-140738-
/O.EXP.KPSR.SV.W.0070.000000T0000Z-210814T0730Z/
La Paz AZ-Yuma AZ-Maricopa AZ-
1228 AM MST Sat Aug 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL LA PAZ...
NORTHEASTERN YUMA AND MARICOPA COUNTIES WILL EXPIRE AT 1230 AM MST...

The storms which prompted the warning have weakened. Therefore, the 
warning will be allowed to expire. However gusty winds and heavy 
rain are still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 300 AM MST for
south central, southwestern and west central Arizona.

LAT...LON 3297 11349 3307 11379 3329 11397 3350 11385
      3361 11369 3355 11331 3347 11310
TIME...MOT...LOC 0728Z 040DEG 30KT 3328 11386 3324 11361 3317 11341 

$$

CK

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.