Alert archive / Nevada / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 43, NWS Las Vegas, NV
NWS Las Vegas, NV issued this severe thunderstorm warning at Jul 25, 2021, 7:08 PM PDT for Clark County, Nevada; Mohave County, Arizona. It was in force for 52 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 25, 2021, 7:08 PM PDT (02:08 UTC)
- Expired
- Jul 25, 2021, 8:00 PM PDT
- In force
- 52 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), 81 km from the middle of the area, began a volume at 02:10 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, 7:14 PM PDT | TSTM WND GST 70 | Hoover Dam, NV | NEVADA DOT HOOVER DAM SENSOR AT HIGHWAY 93 MEASURED A GUST OF 70 MPH. |
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, 2.1 hours before the alert went out and 103 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
- 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
The text
As transmitted.
626
WUUS55 KVEF 260208
SVRVEF
AZC015-NVC003-260300-
/O.NEW.KVEF.SV.W.0043.210726T0208Z-210726T0300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Las Vegas NV
708 PM PDT 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...
Northeastern Clark County in southern Nevada...
* Until 800 PM PDT/800 PM MST/.
* At 706 PM PDT/706 PM MST/, a severe thunderstorm was located over
Overton Beach, or near Overton, moving west at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs and trees.
* Locations impacted include...
Las Vegas Bay, Overton, Moapa Town, Moapa Valley, Echo Bay, Boulder
Beach, Boulder Beach Campground, Las Vegas Bay Campground, Echo Bay
Campground, Callville Bay, Meadview, Hoover Dam, Valley Of Fire,
Callville Bay Campground, Lake Mead National Recreation Area,
Temple Bar Campground, Overton Beach, South Cove, Logandale and
Bunkerville.
This includes Interstate 15 in Nevada between mile markers 74 and
115.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
If on or near Lake Mead, 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 3595 11406 3596 11475 3613 11490 3684 11468
3684 11420 3644 11407
TIME...MOT...LOC 0206Z 068DEG 30KT 3647 11436
HAIL...<.75IN
WIND...60MPH
$$
BKP2 follow-up statements
265
WWUS55 KVEF 260237
SVSVEF
Severe Weather Statement
National Weather Service Las Vegas NV
737 PM PDT Sun Jul 25 2021
AZC015-NVC003-260300-
/O.CON.KVEF.SV.W.0043.000000T0000Z-210726T0300Z/
Mohave AZ-Clark NV-
737 PM PDT Sun Jul 25 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM
PDT/800 PM MST/ FOR WEST CENTRAL MOHAVE AND NORTHEASTERN CLARK
COUNTIES...
At 736 PM PDT/736 PM MST/, a severe thunderstorm was located near
Valley Of Fire, or 11 miles southwest of Overton, moving southwest at
25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs and trees.
Locations impacted include...
Las Vegas Bay, Overton, Moapa Town, Moapa Valley, Echo Bay, Boulder
Beach, Boulder Beach Campground, Las Vegas Bay Campground, Echo Bay
Campground, Callville Bay, Meadview, Hoover Dam, Valley Of Fire,
Callville Bay Campground, Lake Mead National Recreation Area, Temple
Bar Campground, Overton Beach, South Cove, Logandale and Bunkerville.
This includes Interstate 15 in Nevada between mile markers 74 and
115.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
If on or near Lake Mead, get away from the water and move indoors or
inside a vehicle. remember, lightning can strike out to 15 miles
from the parent thunderstorm. If you can hear thunder, you are close
enough to be struck by lightning. Move to safe shelter now! Do not
be caught on the water in a thunderstorm.
&&
LAT...LON 3595 11406 3596 11475 3613 11490 3684 11468
3684 11420 3644 11407
TIME...MOT...LOC 0236Z 063DEG 23KT 3638 11456
HAIL...<.75IN
WIND...60MPH
$$
BKP629
WWUS55 KVEF 260259
SVSVEF
Severe Weather Statement
National Weather Service Las Vegas NV
759 PM PDT Sun Jul 25 2021
AZC015-NVC003-260309-
/O.EXP.KVEF.SV.W.0043.000000T0000Z-210726T0300Z/
Mohave AZ-Clark NV-
759 PM PDT Sun Jul 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL MOHAVE AND
NORTHEASTERN CLARK COUNTIES WILL EXPIRE AT 800 PM PDT/800 PM MST/...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire. However gusty
winds are still possible with this thunderstorm.
LAT...LON 3595 11406 3596 11475 3613 11490 3684 11468
3684 11420 3644 11407
TIME...MOT...LOC 0259Z 068DEG 30KT 3631 11478
$$
BKPThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 5:12 PM PDT | Dust Storm Warning | VEF | Clark | 63 min |
| Jul 25, 5:37 PM PDT | Flash Flood Warning | VEF | Lincoln | 3 hr |
| Jul 25, 6:01 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 59 min |
| Jul 25, 6:06 PM PDT | Severe Thunderstorm Warning | VEF | Lincoln | 39 min |
| Jul 25, 7:57 PM PDT | Severe Thunderstorm Warning | VEF | Clark, Lincoln | 63 min |
| Jul 25, 8:09 PM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Jul 25, 8:59 PM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Jul 25, 8:59 PM PDT | Severe Thunderstorm Warning | VEF | Clark, Nye | 61 min |
| Jul 25, 9:55 PM PDT | Severe Thunderstorm Warning | VEF | Clark, Nye | 50 min |
| Jul 26, 10:20 AM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Jul 26, 10:44 AM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Jul 26, 11:32 AM PDT | Flash Flood Warning | VEF | Clark, Nye | 4 hr |
| Jul 26, 12:29 PM PDT | Flash Flood Warning | VEF | Nye | 3 hr |
| Jul 26, 12:40 PM PDT | Flash Flood Warning | VEF | Nye | 3 hr |
| Jul 26, 1:28 PM PDT | Flash Flood Warning | VEF | Lincoln | 3 hr |
| Jul 26, 2:05 PM PDT | Severe Thunderstorm Warning | VEF | Lincoln | 40 min |
| Jul 26, 4:30 PM PDT | Flash Flood Warning | VEF | Lincoln | 2 hr |
| Jul 26, 4:34 PM PDT | Severe Thunderstorm Warning | VEF | Lincoln | 41 min |
| Jul 25, 5:04 PM PDT | Flash Flood Warning | VEF | Mohave | 5 hr |
| Jul 25, 5:06 PM PDT | Severe Thunderstorm Warning | VEF | Mohave | 54 min |
| Jul 25, 10:26 PM PDT | Areal Flood Warning | VEF | Mohave | 8 hr |
| Jul 26, 1:51 PM PDT | Flash Flood Warning | VEF | Mohave | 3 hr |
Nearby
Severe Thunderstorm Warnings in Nevada, 2021Severe 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.