Alert archive / California / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 9, NWS Los Angeles, CA

August 3, 1992Riverside County, California

NWS Los Angeles, CA issued this severe thunderstorm warning at Aug 3, 1992, 9:00 PM PDT for Riverside County, California. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Aug 3, 1992, 9:00 PM PDT (04:00 UTC)
Expired
Aug 3, 1992, 10:00 PM PDT
In force
60 min
Issued by
NWS Los Angeles, CA
Area
Whole counties

County Riverside County, CA

The nearest sounding before it

San Diego, CA (KNKX), launched 00:00Z, 4.0 hours before the alert went out and 154 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, San Diego, CA at 00:00Z on 1992-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, San Diego, CA at 00:00Z on 1992-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
1754 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 6:48 PM PDTSevere Thunderstorm WarningLOXSan Bernardino117 min
Aug 3, 7:03 PM PDTSevere Thunderstorm WarningLOXRiverside117 min
Aug 3, 7:03 PM PDTSevere Thunderstorm WarningLOXSan Bernardino117 min
Aug 3, 9:00 PM PDTSevere Thunderstorm WarningLOXSan Bernardino60 min

Nearby

Severe Thunderstorm Warnings in California, 1992Every severe thunderstorm warning in 1992

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.