Alert archive / California / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 8, NWS Sacramento, CA

July 25, 2025Butte County, Plumas County, California

NWS Sacramento, CA issued this severe thunderstorm warning at Jul 25, 2025, 3:48 PM PDT for Butte County, Plumas County, California. It was in force for 27 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
Jul 25, 2025, 3:48 PM PDT (22:48 UTC)
Expired
Jul 25, 2025, 4:15 PM PDT
In force
27 min
Issued by
NWS Sacramento, CA
Area
Storm-based polygon
Damage threat
Considerable
Hail
2.0 in
Wind
60.0 mph

Counties Butte County, CA, Plumas County, CA

The radar

The Beale AFB radar (KBBX), 52 km from the middle of the area, began a volume at 22:48 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

Oakland, CA (KOAK), launched 12:00Z, 10.8 hours before the alert went out and 249 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.

Skew-T log-pSkew-T log-p diagram, Oakland, CA at 12:00Z on 2025-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Oakland, CA at 12:00Z on 2025-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
618 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 7:41 PM PDTSpecial Weather StatementSTOYuba34 min
Jul 24, 7:43 PM PDTSpecial Weather StatementSTOShasta47 min
Jul 24, 8:38 PM PDTSpecial Weather StatementSTOTrinity37 min
Jul 25, 2:18 PM PDTSpecial Weather StatementSTO27 min
Jul 25, 2:30 PM PDTSpecial Weather StatementSTOPlumas30 min
Jul 25, 2:57 PM PDTSpecial Weather StatementSTOPlumas33 min
Jul 25, 3:03 PM PDTSpecial Weather StatementSTOPlumas27 min
Jul 25, 3:09 PM PDTSpecial Weather StatementSTOPlumas36 min
Jul 25, 3:27 PM PDTSevere Thunderstorm WarningSTOPlumas33 min
Jul 25, 3:36 PM PDTSpecial Weather StatementSTOPlumas24 min
Jul 25, 3:40 PM PDTSpecial Weather StatementSTOSierra35 min
Jul 25, 4:57 PM PDTSpecial Weather StatementSTOShasta33 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.