Alert archive / Arizona / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 11, NWS Las Vegas, NV

July 10, 2021Mohave County, Arizona

NWS Las Vegas, NV issued this severe thunderstorm warning at Jul 10, 2021, 4:33 PM MST for Mohave County, Arizona. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 10, 2021, 4:33 PM MST (23:33 UTC)
Expired
Jul 10, 2021, 5:15 PM MST
In force
42 min
Issued by
NWS Las Vegas, NV
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Mohave County, AZ

The radar

The Las Vegas radar (KESX), 136 km from the middle of the area, began a volume at 23:35 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.

The nearest sounding before it

Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 11.6 hours before the alert went out and 169 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Flgstf/Belemont, AZ at 12:00Z on 2021-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 110 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Flgstf/Belemont, AZ at 12:00Z on 2021-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
110 J/kg
Mixed-layer CIN
-242 J/kg
Mixed-layer LCL
2626 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

979 
WUUS55 KVEF 102333
SVRVEF
AZC015-110015-
/O.NEW.KVEF.SV.W.0011.210710T2333Z-210711T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Las Vegas NV
433 PM MST Sat Jul 10 2021

The National Weather Service in Las Vegas has issued a

* Severe Thunderstorm Warning for...
  South central Mohave County in northwestern Arizona...

* Until 515 PM MST.

* At 429 PM MST, a severe thunderstorm was located 11 miles east of
  Wild Cow Campground, or 21 miles north of Wikieup, moving southwest
  at 15 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs and trees.

* This severe thunderstorm will remain over mainly rural areas of 
  south central Mohave County near Highway 93 between mile markers 
  100 and 105.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid driving through this storm if possible.

&&

LAT...LON 3513 11354 3496 11350 3478 11380 3509 11383
TIME...MOT...LOC 2329Z 060DEG 15KT 3500 11368 

HAIL...1.00IN
WIND...60MPH
 
$$

JA
2 follow-up statements
777 
WWUS55 KVEF 102359
SVSVEF

Severe Weather Statement
National Weather Service Las Vegas NV
459 PM MST Sat Jul 10 2021

AZC015-110015-
/O.CON.KVEF.SV.W.0011.000000T0000Z-210711T0015Z/
Mohave AZ-
459 PM MST Sat Jul 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM MST
FOR SOUTH CENTRAL MOHAVE COUNTY...

At 456 PM MST, a severe thunderstorm was located over Highway 93 
about 18 miles north of Wikieup, moving southwest at 10 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs and trees.

This severe thunderstorm will remain over mainly rural areas of 
south central Mohave County near Highway 93 between mile marker 100 
and mile marker 110.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared for large hail and damaging winds and avoid driving 
through this storm.

&&

LAT...LON 3513 11354 3496 11350 3478 11380 3509 11383
TIME...MOT...LOC 2356Z 052DEG 11KT 3496 11373 

HAIL...1.00IN
WIND...60MPH
 
$$

JA
831 
WWUS55 KVEF 110012
SVSVEF

Severe Weather Statement
National Weather Service Las Vegas NV
512 PM MST Sat Jul 10 2021

AZC015-110020-
/O.EXP.KVEF.SV.W.0011.000000T0000Z-210711T0015Z/
Mohave AZ-
512 PM MST Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MOHAVE COUNTY
WILL EXPIRE AT 515 PM MST...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty 
winds and brief heavy rain are still possible with this thunderstorm 
until 530 PM near Highway 93 between mile markers 105 and 110.

LAT...LON 3513 11354 3496 11350 3478 11380 3509 11383
TIME...MOT...LOC 0010Z 060DEG 15KT 3494 11377 

$$

JA

Nearby

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

Sources

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.