Alert archive / Arizona / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 57, NWS Las Vegas, NV
NWS Las Vegas, NV issued this severe thunderstorm warning at Aug 31, 2026, 10:43 AM MST for Mohave County, Arizona. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 31, 2026, 10:43 AM MST (17:43 UTC)
- Expired
- Aug 31, 2026, 11:30 AM MST
- In force
- 47 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Hail
- 0.0 in
- Wind
- 60.0 mph
County Mohave County, AZ
The radar
The Las Vegas radar (KESX), 102 km from the middle of the area, began a volume at 17:45 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, 5.7 hours before the alert went out and 177 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
- 303 J/kg
- Mixed-layer CIN
- -202 J/kg
- Mixed-layer LCL
- 2712 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Las Vegas, NV wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 31, 10:14 AM MST, 29 minutes earlier.
Area forecast discussion, Aug 31, 10:14 AM MST, 29 minutes before
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</html>The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 11:26 AM MST | Severe Thunderstorm Warning | VEF | Clark | 49 min |
| Aug 31, 3:34 PM MST | Severe Thunderstorm Warning | VEF | Lincoln | 41 min |
| Aug 31, 4:33 PM MST | Areal Flood Advisory | VEF | Lincoln | 3 hr |
| Aug 30, 6:47 PM MST | Areal Flood Advisory | VEF | Mohave | 3 hr |
| Aug 30, 7:17 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 43 min |
| Aug 30, 7:21 PM MST | Flash Flood Warning | VEF | Mohave | 3 hr |
| Aug 30, 8:39 PM MST | Flood Watch | VEF | Mohave | 27 hr |
| Aug 31, 9:13 AM MST | Severe Thunderstorm Warning | VEF | Mohave | 32 min |
| Aug 31, 9:50 AM MST | Areal Flood Advisory | VEF | Mohave | 3 hr |
Nearby
Severe Thunderstorm Warnings in Arizona, 2026Every severe thunderstorm warning in 2026
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.