Alert archive / Arizona / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 40, NWS Las Vegas, NV

July 25, 2021Mohave County, Arizona

NWS Las Vegas, NV issued this severe thunderstorm warning at Jul 25, 2021, 5:06 PM MST for Mohave County, Arizona. It was in force for 54 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 25, 2021, 5:06 PM MST (00:06 UTC)
Expired: Jul 25, 2021, 6:00 PM MST
In force: 54 min
Issued by: NWS Las Vegas, NV
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Mohave County, AZ

The radar

The Las Vegas radar (KESX), 54 km from the middle of the area, began a volume at 00:04 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.

What was reported inside it

Time	Report	Where	Remark
Jul 25, 5:23 PM MST	TSTM WND GST 66	5 E New Kingman-Butler, AZ	KINGMAN AIRPORT ASOS REPORTED A GUST OF 66 MPH AT 1723. GUSTS ABOVE 58 MPH BEGAN AT 1657.
Jul 25, 5:23 PM MST	TSTM WND GST 66	5 E New Kingman-Butler, AZ	KINGMAN AIRPORT ASOS REPORTED A GUST OF 66 MPH AT 1723. GUSTS ABOVE 58 MPH BEGAN AT 1657 AND ENDED AT 1732.

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

The nearest sounding before it

Las Vegas, NV (KVEF), launched 00:00Z, 0.1 hours before the alert went out and 149 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 707 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 2729 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

649 
WUUS55 KVEF 260006
SVRVEF
AZC015-260100-
/O.NEW.KVEF.SV.W.0040.210726T0006Z-210726T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Las Vegas NV
506 PM MST Sun Jul 25 2021

The National Weather Service in Las Vegas has issued a

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

* Until 600 PM MST.

* At 505 PM MST, severe thunderstorms were located along a line
  extending from 18 miles west of Diamond Creek Campground to 13
  miles east of Blake Ranch Road, moving west at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs and trees.

* Locations impacted include...
  Bullhead City, Kingman, Laughlin, Katherine Landing, Windy Point
  Campground, Oatman, Mojave Ranch Estates, Mohave Valley, Blake
  Ranch Road, Golden Valley, Mesquite Creek, Dw Ranch Road,
  Packsaddle Campground, Chloride, New Kingman-Butler, Dolan Springs,
  Hualapai Mountain Park, Wild Cow Campground, Willow Valley and
  Hualapai Peak.

This includes Interstate 40 in Arizona between mile markers 36 and
71.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3491 11463 3503 11464 3507 11460 3510 11465
      3513 11458 3520 11457 3536 11460 3549 11468
      3553 11466 3558 11467 3561 11465 3565 11469
      3572 11470 3566 11380 3510 11370
TIME...MOT...LOC 0005Z 083DEG 61KT 3570 11369 3515 11356 

HAIL...<.75IN
WIND...60MPH
 
$$

TB3

2 follow-up statements

367 
WWUS55 KVEF 260039
SVSVEF

Severe Weather Statement
National Weather Service Las Vegas NV
539 PM MST Sun Jul 25 2021

AZC015-260100-
/O.CON.KVEF.SV.W.0040.000000T0000Z-210726T0100Z/
Mohave AZ-
539 PM MST Sun Jul 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM MST
FOR WEST CENTRAL MOHAVE COUNTY...

At 537 PM MST, severe thunderstorms were located along a line
extending from near Dolan Springs to 10 miles southeast of Golden 
Valley, moving west at 25 mph. Several observations have measured 
wind gusts over 60 mph as well as a wall of dust. 

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated and surface observations.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Bullhead City, Kingman, Laughlin, Katherine Landing, Windy Point 
Campground, Oatman, Golden Valley, Mesquite Creek, Dw Ranch Road, 
Packsaddle Campground, Chloride, New Kingman-Butler, Dolan Springs, 
and Willow Valley.

This includes Interstate 40 in Arizona between mile markers 36 and
71.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3491 11463 3503 11464 3507 11460 3510 11465
      3513 11458 3520 11457 3536 11460 3549 11468
      3553 11466 3558 11467 3561 11465 3565 11469
      3572 11470 3566 11380 3510 11370
TIME...MOT...LOC 0037Z 078DEG 22KT 3564 11427 3509 11414 

HAIL...<.75IN
WIND...70MPH
 
$$

TB3

063 
WWUS55 KVEF 260103
SVSVEF

Severe Weather Statement
National Weather Service Las Vegas NV
603 PM MST Sun Jul 25 2021

AZC015-260111-
/O.EXP.KVEF.SV.W.0040.000000T0000Z-210726T0100Z/
Mohave AZ-
603 PM MST Sun Jul 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL MOHAVE COUNTY HAS
EXPIRED...

This has been replaced by a new severe thunderstorm warning for new 
areas farther westward as well.

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

LAT...LON 3491 11463 3503 11464 3507 11460 3510 11465
      3513 11458 3520 11457 3536 11460 3549 11468
      3553 11466 3558 11467 3561 11465 3565 11469
      3572 11470 3566 11380 3510 11370
TIME...MOT...LOC 0101Z 083DEG 61KT 3559 11477 3504 11463 

$$

TB3

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 25, 5:04 PM MST	Flash Flood Warning Considerable damage threat	VEF	Mohave	5 hr
Jul 25, 5:12 PM MST	Dust Storm Warning	VEF	Mohave	63 min
Jul 25, 5:37 PM MST	Flash Flood Warning Considerable damage threat	VEF	Mohave	3 hr
Jul 25, 6:01 PM MST	Severe Thunderstorm Warning	VEF	Mohave	59 min
Jul 25, 7:08 PM MST	Severe Thunderstorm Warning	VEF	Mohave	52 min
Jul 25, 7:57 PM MST	Severe Thunderstorm Warning	VEF	Mohave	63 min
Jul 25, 8:59 PM MST	Severe Thunderstorm Warning	VEF	Mohave	61 min
Jul 25, 10:26 PM MST	Areal Flood Warning	VEF	Mohave	8 hr
Jul 26, 1:51 PM MST	Flash Flood Warning Considerable damage threat	VEF	Mohave	3 hr

Nearby

Severe Thunderstorm Warnings in Arizona, 2021 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.