Alert archive / Arizona / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 36, NWS Las Vegas, NV

July 24, 2021Mohave County, Arizona

NWS Las Vegas, NV issued this severe thunderstorm warning at Jul 24, 2021, 3:18 PM MST for Mohave County, Arizona. It was in force for 57 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 24, 2021, 3:18 PM MST (22:18 UTC)
Expired
Jul 24, 2021, 4:15 PM MST
In force
57 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), 152 km from the middle of the area, began a volume at 22:23 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, 10.3 hours before the alert went out and 181 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 2021-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2021-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1053 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
-9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

181 
WUUS55 KVEF 242218
SVRVEF
AZC015-242315-
/O.NEW.KVEF.SV.W.0036.210724T2218Z-210724T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Las Vegas NV
318 PM MST Sat Jul 24 2021

The National Weather Service in Las Vegas has issued a

* Severe Thunderstorm Warning for...
  Northeastern Mohave County in northwestern Arizona...

* Until 415 PM MST.

* At 318 PM MST, a severe thunderstorm was located 16 miles northwest
  of Bar Ten Ranch, or 40 miles southeast of Littlefield, moving west
  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.

* Locations impacted include...
  Mt. Trumbull, Toroweap Campground, Bar Ten Ranch and Tuweep. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3621 11305 3617 11313 3618 11316 3616 11319
      3612 11320 3609 11323 3610 11331 3605 11336
      3596 11366 3626 11393 3669 11399 3680 11360
      3644 11339 3639 11303
TIME...MOT...LOC 2218Z 078DEG 11KT 3641 11348 

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

Outler
2 follow-up statements
475 
WWUS55 KVEF 242233
SVSVEF

Severe Weather Statement
National Weather Service Las Vegas NV
333 PM MST Sat Jul 24 2021

AZC015-242315-
/O.CON.KVEF.SV.W.0036.000000T0000Z-210724T2315Z/
Mohave AZ-
333 PM MST Sat Jul 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM MST
FOR NORTHEASTERN MOHAVE COUNTY...

At 332 PM MST, a severe thunderstorm was located 18 miles northwest
of Bar Ten Ranch, or 39 miles southeast of Littlefield, moving west
at 15 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...
Mt. Trumbull, Toroweap Campground, Bar Ten Ranch and Tuweep. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3621 11305 3617 11313 3618 11316 3616 11319
      3612 11320 3609 11323 3610 11331 3605 11336
      3596 11366 3626 11393 3669 11399 3680 11360
      3644 11339 3639 11303
TIME...MOT...LOC 2232Z 078DEG 11KT 3640 11353 

HAIL...1.00IN
WIND...70MPH
 
$$

Outler
960 
WWUS55 KVEF 242312
SVSVEF

Severe Weather Statement
National Weather Service Las Vegas NV
412 PM MST Sat Jul 24 2021

AZC015-242321-
/O.EXP.KVEF.SV.W.0036.000000T0000Z-210724T2315Z/
Mohave AZ-
412 PM MST Sat Jul 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MOHAVE COUNTY
WILL EXPIRE AT 415 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 are still possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Las Vegas.

LAT...LON 3621 11305 3617 11313 3618 11316 3616 11319
      3612 11320 3609 11323 3610 11331 3605 11336
      3596 11366 3626 11393 3669 11399 3680 11360
      3644 11339 3639 11303
TIME...MOT...LOC 2311Z 078DEG 11KT 3638 11367 

$$

Outler

The office that day

Everything else NWS Las Vegas, NV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 23, 5:52 PM MSTSevere Thunderstorm WarningVEFMohave53 min
Jul 23, 7:11 PM MSTSevere Thunderstorm WarningVEFMohave49 min
Jul 23, 7:58 PM MSTSevere Thunderstorm WarningVEFMohave23 min
Jul 23, 9:52 PM MSTSevere Thunderstorm WarningVEFMohave29 min
Jul 23, 10:18 PM MSTSevere Thunderstorm WarningVEFMohave42 min
Jul 23, 11:58 PM MSTFlash Flood Warning Considerable damage threatVEFMohave2 hr
Jul 24, 1:13 PM MSTFlash Flood Warning Considerable damage threatVEFMohave3 hr
Jul 24, 1:26 PM MSTSevere Thunderstorm WarningVEFMohave49 min
Jul 24, 3:21 PM MSTFlash Flood Warning Considerable damage threatVEFMohave2 hr

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.