Alert archive / California / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 33, NWS Hanford, CA

December 8, 2019Kern County, California

NWS Hanford, CA issued this severe thunderstorm warning at Dec 8, 2019, 1:45 PM PST for Kern County, California. It was in force for 30 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
Dec 8, 2019, 1:45 PM PST (21:45 UTC)
Expired
Dec 8, 2019, 2:15 PM PST
In force
30 min
Issued by
NWS Hanford, CA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Kern County, CA

The radar

The Edwards AFB radar (KEYX), 110 km from the middle of the area, began a volume at 21:46 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, 9.8 hours before the alert went out and 310 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, Las Vegas, NV at 12:00Z on 2019-12-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 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, Las Vegas, NV at 12:00Z on 2019-12-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 129 square meters per square second.1939587897117136156Sfc1 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
1295 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
129 m²/s²
0-3 km storm-relative helicity
218 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 8, 8:16 AM PSTSpecial Weather StatementHNXMerced44 min
Dec 8, 11:18 AM PSTSpecial Weather StatementHNXMadera42 min
Dec 8, 11:40 AM PSTAreal Flood AdvisoryHNXMadera2 hr
Dec 8, 12:13 PM PSTSpecial Weather StatementHNXFresno47 min
Dec 8, 12:35 PM PSTAreal Flood AdvisoryHNXFresno3 hr
Dec 8, 1:04 PM PSTSpecial Weather StatementHNXSan Benito41 min
Dec 8, 1:26 PM PSTSpecial Weather StatementHNX49 min
Dec 8, 1:31 PM PSTSpecial Weather StatementHNXFresno44 min
Dec 8, 1:36 PM PSTAreal Flood AdvisoryHNXFresno, Tulare3 hr
Dec 8, 2:27 PM PSTSpecial Weather StatementHNXKings48 min
Dec 8, 2:36 PM PSTAreal Flood AdvisoryHNXFresno107 min
Dec 8, 3:21 PM PSTSpecial Weather StatementHNXKings39 min
Dec 8, 3:48 PM PSTSpecial Weather StatementHNXTulare27 min

Nearby

Severe Thunderstorm Warnings in California, 2019Every severe thunderstorm warning in 2019

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.