Alert archive / Arizona / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 33, NWS Las Vegas, NV
NWS Las Vegas, NV issued this severe thunderstorm warning at Jul 23, 2021, 9:52 PM MST for Mohave County, Arizona. It was in force for 29 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 23, 2021, 9:52 PM MST (04:52 UTC)
- Expired
- Jul 23, 2021, 10:21 PM MST
- In force
- 29 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), 86 km from the middle of the area, began a volume at 04:53 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
Las Vegas, NV (KVEF), launched 00:00Z, 4.9 hours before the alert went out and 155 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.
- Mixed-layer CAPE
- 139 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 3163 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
834
WUUS55 KVEF 240452
SVRVEF
AZC015-240545-
/O.NEW.KVEF.SV.W.0033.210724T0452Z-210724T0545Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Las Vegas NV
952 PM MST Fri Jul 23 2021
The National Weather Service in Las Vegas has issued a
* Severe Thunderstorm Warning for...
Central Mohave County in northwestern Arizona...
* Until 1045 PM MST.
* At 949 PM MST, severe thunderstorms were located along a line
extending from 7 miles east of South Cove to near Diamond Creek
Campground, moving southwest at 15 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs and trees and possible blowing
dust due to high winds.
* Locations impacted include...
Pierce Ferry And Antares Roads, Grand Canyon Ranch, Meadview, Lake
Mead National Recreation Area and Peach Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3584 11433 3596 11418 3596 11416 3610 11400
3574 11334 3533 11333
TIME...MOT...LOC 0449Z 035DEG 13KT 3608 11397 3571 11329
HAIL...<.75IN
WIND...60MPH
$$
TB32 follow-up statements
331
WWUS55 KVEF 240512
SVSVEF
Severe Weather Statement
National Weather Service Las Vegas NV
1012 PM MST Fri Jul 23 2021
AZC015-240545-
/O.CON.KVEF.SV.W.0033.000000T0000Z-210724T0545Z/
Mohave AZ-
1012 PM MST Fri Jul 23 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM MST
FOR CENTRAL MOHAVE COUNTY...
At 1011 PM MST, severe thunderstorms were located along a line
extending from near Meadview to 19 miles southeast of Grand Canyon
Ranch to 10 miles south of Diamond Creek Campground, moving southwest
at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs and trees.
Locations impacted include...
Pierce Ferry And Antares Roads, Grand Canyon Ranch, Meadview, Lake
Mead National Recreation Area and Peach Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Las Vegas.
Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.
&&
LAT...LON 3551 11333 3539 11344 3584 11433 3596 11418
3596 11416 3609 11402 3568 11376 3566 11334
TIME...MOT...LOC 0511Z 041DEG 40KT 3599 11403 3564 11381 3562 11335
HAIL...<.75IN
WIND...60MPH
$$
TB3277
WWUS55 KVEF 240521
SVSVEF
Severe Weather Statement
National Weather Service Las Vegas NV
1021 PM MST Fri Jul 23 2021
AZC015-240529-
/O.CAN.KVEF.SV.W.0033.000000T0000Z-210724T0545Z/
Mohave AZ-
1021 PM MST Fri Jul 23 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MOHAVE COUNTY IS
CANCELLED...
This warning has been replaced with updated information and has been
re-issued as a new warning, winds over 60 mph are still possible
with this dangerous storm.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Las Vegas.
LAT...LON 3551 11333 3539 11344 3584 11433 3596 11418
3596 11416 3609 11402 3568 11376 3566 11334
TIME...MOT...LOC 0517Z 035DEG 13KT 3597 11405 3562 11383 3560 11337
$$
TB3The 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, 10:18 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 42 min |
| Jul 23, 11:58 PM MST | Flash Flood Warning | VEF | Mohave | 2 hr |
| Jul 24, 1:13 PM MST | Flash Flood Warning | VEF | Mohave | 3 hr |
| Jul 24, 1:26 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 49 min |
| Jul 24, 3:18 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 57 min |
| Jul 24, 3:21 PM MST | Flash Flood Warning | VEF | Mohave | 2 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.