Alert archive / California / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 40, NWS Las Vegas, NV

August 10, 2025San Bernardino County, California

NWS Las Vegas, NV issued this severe thunderstorm warning at Aug 10, 2025, 3:33 PM PDT for San Bernardino County, California. It was in force for 42 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 10, 2025, 3:33 PM PDT (22:33 UTC)
Expired
Aug 10, 2025, 4:15 PM PDT
In force
42 min
Issued by
NWS Las Vegas, NV
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County San Bernardino County, CA

The radar

The Edwards AFB radar (KEYX), 129 km from the middle of the area, began a volume at 22:37 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 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 10, 3:05 PM PDT, 28 minutes earlier.

Area forecast discussion, Aug 10, 3:05 PM PDT, 28 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 1:47 AM PDTHeat AdvisoryVEFClark, Esmeralda, Lincoln, Nye4 days
Aug 10, 1:47 AM PDTExtreme Heat WarningVEFClark, Nye4 days

Nearby

Severe Thunderstorm Warnings in California, 2025Every severe thunderstorm warning in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.