Alert archive / California / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 39, NWS Sacramento, CA

September 21, 2026Plumas County, California

NWS Sacramento, CA issued this severe thunderstorm warning at Sep 21, 2026, 4:52 PM PDT for Plumas County, California. It was in force for 23 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
Sep 21, 2026, 4:52 PM PDT (23:52 UTC)
Expired
Sep 21, 2026, 5:15 PM PDT
In force
23 min
Issued by
NWS Sacramento, CA
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

County Plumas County, CA

The radar

The Beale AFB radar (KBBX), 88 km from the middle of the area, began a volume at 23:55 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 office that day

Everything else NWS Sacramento, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 21, 3:29 PM PDTSevere Thunderstorm WarningSTOPlumas, Sierra30 min
Sep 21, 4:32 PM PDTSevere Thunderstorm WarningSTOPlumas28 min

Nearby

Severe Thunderstorm Warnings in California, 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; radar from the NEXRAD Level II archive.