Alert archive / Arizona / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 35, NWS Las Vegas, NV

July 24, 2021Mohave County, Arizona

NWS Las Vegas, NV issued this severe thunderstorm warning at Jul 24, 2021, 1:26 PM MST for Mohave County, Arizona. It was in force for 49 min. 1 report 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 24, 2021, 1:26 PM MST (20:26 UTC)
Expired: Jul 24, 2021, 2:15 PM MST
In force: 49 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 Cedar City radar (KICX), 76 km from the middle of the area, began a volume at 20:26 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 24, 1:30 PM MST	TSTM WND DMG	Colorado City, AZ	APPROXIMATELY 20 POWER POLES SNAPPED ALONG OAK STREET AND MOHAVE AVENUE.

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

The nearest sounding before it

Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 8.4 hours before the alert went out and 218 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: 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.

364 
WUUS55 KVEF 242026
SVRVEF
AZC015-242115-
/O.NEW.KVEF.SV.W.0035.210724T2026Z-210724T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Las Vegas NV
126 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 215 PM MST.

* At 125 PM MST, a severe thunderstorm was located over Colorado
  City, moving southwest at 5 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...
  Colorado City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3681 11307 3700 11324 3700 11289 3698 11287
TIME...MOT...LOC 2025Z 065DEG 6KT 3700 11302 

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

Outler

2 follow-up statements

217 
WWUS55 KVEF 242047
SVSVEF

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

AZC015-242115-
/O.CON.KVEF.SV.W.0035.000000T0000Z-210724T2115Z/
Mohave AZ-
147 PM MST Sat Jul 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM MST
FOR NORTHEASTERN MOHAVE COUNTY...

At 146 PM MST, a severe thunderstorm was located west of Colorado 
City, moving southwest at 10 mph. A wind gust of near 50 mph was 
reported at Colorado City airport at 130 pm. Locally strong wind 
gusts and small hail remain possible. 

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...
Colorado City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3681 11307 3700 11324 3700 11289 3698 11287
TIME...MOT...LOC 2046Z 065DEG 6KT 3699 11306 

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

CO

801 
WWUS55 KVEF 242105
SVSVEF

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

AZC015-242115-
/O.EXP.KVEF.SV.W.0035.000000T0000Z-210724T2115Z/
Mohave AZ-
205 PM MST Sat Jul 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MOHAVE COUNTY
WILL EXPIRE AT 215 PM MST...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

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

LAT...LON 3681 11307 3700 11324 3700 11289 3698 11287
TIME...MOT...LOC 2105Z 065DEG 6KT 3698 11309 

$$

CO

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 23, 5:52 PM MST	Severe Thunderstorm Warning	VEF	Mohave	53 min
Jul 23, 7:11 PM MST	Severe Thunderstorm Warning	VEF	Mohave	49 min
Jul 23, 7:58 PM MST	Severe Thunderstorm Warning	VEF	Mohave	23 min
Jul 23, 9:52 PM MST	Severe Thunderstorm Warning	VEF	Mohave	29 min
Jul 23, 10:18 PM MST	Severe Thunderstorm Warning	VEF	Mohave	42 min
Jul 23, 11:58 PM MST	Flash Flood Warning Considerable damage threat	VEF	Mohave	2 hr
Jul 24, 1:13 PM MST	Flash Flood Warning Considerable damage threat	VEF	Mohave	3 hr
Jul 24, 3:18 PM MST	Severe Thunderstorm Warning	VEF	Mohave	57 min
Jul 24, 3:21 PM MST	Flash Flood Warning Considerable damage threat	VEF	Mohave	2 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.