Alert archive / California / Flash Flood Warnings in 1992
Flash Flood Warning 8, NWS Los Angeles, CA
NWS Los Angeles, CA issued this flash flood warning at Feb 12, 1992, 1:02 PM PST for Los Angeles County, San Bernardino County, California. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Feb 12, 1992, 1:02 PM PST (21:02 UTC)
- Expired
- Feb 12, 1992, 4:00 PM PST
- In force
- 3 hr
- Issued by
- NWS Los Angeles, CA
- Area
- Whole counties
The nearest sounding before it
China Lake (Naf), CA (KNID), launched 12:00Z, 9.0 hours before the alert went out and 134 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1120 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 243 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
In the hours before
Special weather statement, Feb 12, 7:59 AM PST, 5 hours 3 minutes before
CAZ013-122300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOS ANGELES CA 800 AM PST WED FEB 12 1992 ...WINTER STORM WARNING HIGHER ELEVATIONS SAN JACINTO MOUNTAINS NORTH TODAY... A VIGOROUS STORM SYSTEM CONTINUES TO AFFECT CENTRAL AND SOUTHERN CALIFORNIA THIS MORNING. RADAR...SATELLITE...AND SURFACE REPORTS INDICATE LIGHT TO MODERATE AND LOCALLY HEAVY RAIN FROM THE LOS ANGELES BASIN TO SANTA BARBARA COUNTY. THE RAIN WAS MOVING EAST. ALSO...SOUTH WINDS 20 TO 35 MPH HAVE BEEN OBSERVED IN THE THE MOUNTAIN AREAS WEST AND NORTH OF POINT MUGU. WINTER STORM WARNINGS CONTINUE FROM THE SAN JACINTO MOUNTAINS NORTH. 5 TO 10 INCHES OF SNOW COULD ACCUMULATE ABOVE 6500 FEET TODAY. ALSO... SOUTHERLY WINDS 20 TO 35 MPH WITH A FEW GUSTS TO 50 MPH WILL OCCUR... ESPECIALLY OVER THE NORTHERN RANGES. PEOPLE TRAVELING INTO THE MOUNTAINS SHOULD BE PREPARED FOR DANGEROUS WINTER WEATHER CONDITIONS. CARRY CHAINS...ADDITIONAL CLOTHING...ANDi LISTEN TO THE LATEST WEATHER AND ROAD REPORTS BEFORE VENTURING INTO THE MOUNTAINS. BE ESPECIALLY CAREFUL IF YOU ARE DRIVING A HIGH PROFILE OR LIGHT WEIGHT VEHICLE. THE NEXT STATEMENT WILL BE ISSUED BY 3 PM PST. STARMER
The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 12, 4:45 AM PST | Flash Flood Warning | LOX | Santa Barbara | 2 hr |
| Feb 12, 6:55 AM PST | Flash Flood Warning | LOX | Santa Barbara | 2 hr |
| Feb 12, 9:37 AM PST | Flash Flood Warning | LOX | Los Angeles, Ventura | 2 hr |
| Feb 12, 11:18 AM PST | Flash Flood Warning | LOX | Los Angeles, Ventura | 117 min |
| Feb 12, 1:02 PM PST | Flash Flood Warning | LOX | Riverside | 3 hr |
Nearby
Flash Flood Warnings in California, 1992Every flash flood 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.