Alert archive / California / Flash Flood Warnings in 2025

Flash Flood Warning 30, NWS Hanford, CA

December 25, 2025Fresno County, Tulare County, California

NWS Hanford, CA issued this flash flood warning at Dec 25, 2025, 1:26 PM PST for Fresno County, Tulare County, California. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 25, 2025, 1:26 PM PST (21:26 UTC)
Expired
Dec 25, 2025, 3:59 PM PST
In force
3 hr
Issued by
NWS Hanford, CA
Area
Storm-based polygon
Flood severity
None

Counties Fresno County, CA, Tulare County, CA

The radar

The San Joaquin Valley radar (KHNX), 41 km from the middle of the area, began a volume at 21:30 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, 9.4 hours before the alert went out and 298 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 2025-12-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 2025-12-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 268 square meters per square second.1939587897117136Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
596 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
268 m²/s²
0-3 km storm-relative helicity
293 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Hanford, CA wrote its last area forecast discussion before this flash flood warning went out at Dec 24, 3:33 PM PST, 21 hours 53 minutes earlier.

Area forecast discussion, Dec 24, 3:33 PM PST, 21 hours 53 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 24, 4:31 PM PSTSpecial Weather StatementHNXKings44 min
Dec 24, 5:20 PM PSTSpecial Weather StatementHNXMadera25 min
Dec 24, 6:56 PM PSTAreal Flood WarningHNXKern13 hr
Dec 25, 4:49 AM PSTAreal Flood AdvisoryHNXFresno, Madera, Mariposa, Merced107 min
Dec 25, 7:20 AM PSTAreal Flood AdvisoryHNXFresno, Kings3 hr
Dec 25, 7:33 AM PSTAreal Flood AdvisoryHNXMariposa, Merced3 hr
Dec 25, 7:59 AM PSTSpecial Weather StatementHNXKings31 min
Dec 25, 8:25 AM PSTSpecial Weather StatementHNXFresno35 min
Dec 25, 8:27 AM PSTAreal Flood AdvisoryHNXFresno, Madera, Mariposa, Merced110 min
Dec 25, 8:39 AM PSTAreal Flood AdvisoryHNXFresno, Madera, Tulare6 hr
Dec 25, 8:44 AM PSTAreal Flood AdvisoryHNXFresno2 hr
Dec 25, 9:29 AM PSTFlash Flood Warning Considerable damage threatHNXFresno9 hr
Dec 25, 9:32 AM PSTSpecial Weather StatementHNXFresno28 min
Dec 25, 10:21 AM PSTAreal Flood AdvisoryHNXFresno, Kings, Tulare4 hr
Dec 25, 12:11 PM PSTAreal Flood AdvisoryHNXFresno, Kern, Kings, Tulare90 min

Nearby

Flash Flood Warnings in California, 2025Every flash flood 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.