Alert archive / Arizona / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 5, NWS Las Vegas, NV
NWS Las Vegas, NV issued this severe thunderstorm warning at Jun 24, 2021, 3:07 PM MST for Mohave County, Arizona; Clark County, Nevada. It was in force for 38 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
- Jun 24, 2021, 3:07 PM MST (22:07 UTC)
- Expired
- Jun 24, 2021, 3:45 PM MST
- In force
- 38 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Mohave County, AZ, Clark County, NV
The radar
The Las Vegas radar (KESX), 54 km from the middle of the area, began a volume at 22:06 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 12:00Z, 10.1 hours before the alert went out and 148 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
- 29 J/kg
- Mixed-layer CIN
- -205 J/kg
- Mixed-layer LCL
- 2825 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
977
WUUS55 KVEF 242207
SVRVEF
AZC015-NVC003-242245-
/O.NEW.KVEF.SV.W.0005.210624T2207Z-210624T2245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Las Vegas NV
307 PM PDT Thu Jun 24 2021
The National Weather Service in Las Vegas has issued a
* Severe Thunderstorm Warning for...
Southwestern Mohave County in northwestern Arizona...
South central Clark County in southern Nevada...
* Until 345 PM PDT/345 PM MST/.
* At 304 PM PDT/304 PM MST/, a severe thunderstorm was located near
Katherine Landing, moving northeast at 15 mph.
HAZARD...40 to 50 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Thunderstorms will be capable of producing strong winds
and very choppy waters. Boaters on Lake Mohave should
move ashore and take cover.
* Locations impacted include...
Bullhead City, Laughlin, Katherine Landing, Cottonwood Cove,
Cottonwood Cove Campground and Big Bend Rec Area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
If on or near Lake Mohave, get away from the water and move indoors
or inside a vehicle. Remember, lightning can strike out to 15 miles
from the parent thunderstorm. If you can hear thunder, you are close
enough to be struck by lightning. Move to safe shelter now! Do not
be caught on the water in a thunderstorm.
&&
LAT...LON 3506 11467 3536 11482 3566 11464 3521 11430
TIME...MOT...LOC 2204Z 227DEG 12KT 3531 11461
HAIL...<.75IN
WIND...60MPH
$$
SC2 follow-up statements
295
WWUS55 KVEF 242226
SVSVEF
Severe Weather Statement
National Weather Service Las Vegas NV
326 PM PDT Thu Jun 24 2021
AZC015-NVC003-242245-
/O.CON.KVEF.SV.W.0005.000000T0000Z-210624T2245Z/
Mohave AZ-Clark NV-
326 PM PDT Thu Jun 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM
PDT/345 PM MST/ FOR SOUTHWESTERN MOHAVE AND SOUTH CENTRAL CLARK
COUNTIES...
At 323 PM PDT/323 PM MST/, a severe thunderstorm was located 9 miles
north of Katherine Landing, moving northeast at 15 mph.
HAZARD...40 to 50 mph winds and choppy waters.
SOURCE...Radar indicated.
IMPACT...Thunderstorms will be capable of producing strong winds and
very choppy waters. Boaters on Lake Mohave should move
ashore and take cover. Wind gusts over 30 mph have been
observed so far.
Locations impacted include...
Bullhead City, Laughlin, Katherine Landing, Cottonwood Cove,
Cottonwood Cove Campground and Big Bend Rec Area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
If on or near Lake Mohave, get away from the water and move indoors
or inside a vehicle. Remember, lightning can strike out to 15 miles
from the parent thunderstorm. If you can hear thunder, you are close
enough to be struck by lightning. Move to safe shelter now! Do not
be caught on the water in a thunderstorm.
&&
LAT...LON 3506 11467 3536 11482 3566 11464 3521 11430
TIME...MOT...LOC 2223Z 227DEG 12KT 3536 11455
<.75IN
<50MPH
$$
VARIAN513
WWUS55 KVEF 242245
SVSVEF
Severe Weather Statement
National Weather Service Las Vegas NV
345 PM PDT Thu Jun 24 2021
AZC015-NVC003-242253-
/O.EXP.KVEF.SV.W.0005.000000T0000Z-210624T2245Z/
Mohave AZ-Clark NV-
345 PM PDT Thu Jun 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MOHAVE AND SOUTH
CENTRAL CLARK COUNTIES WILL EXPIRE AT 345 PM PDT/345 PM MST/...
The storm which prompted the warning has moved out of the area. Area
storms are still capable of producing 40 mph winds and heavy rain.
LAT...LON 3506 11467 3536 11482 3566 11464 3521 11430
TIME...MOT...LOC 2243Z 227DEG 12KT 3535 11455
$$
VARIANThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 3:08 AM MST | Red Flag Warning | VEF | Mohave | 17 hr |
| Jun 24, 12:35 PM MST | Areal Flood Advisory | VEF | Mohave | 3 hr |
| Jun 24, 2:46 PM MST | Areal Flood Advisory | VEF | Mohave | 3 hr |
| Jun 24, 1:00 PM MST | Areal Flood Advisory | VEF | Clark | 3 hr |
| Jun 24, 1:11 PM MST | Severe Thunderstorm Warning | VEF | Clark | 20 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 2021Severe Thunderstorm Warnings in Nevada, 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.