Alert archive / California / Flash Flood Warnings in 1992
Flash Flood Warning 3, NWS Los Angeles, CA
NWS Los Angeles, CA issued this flash flood warning at Feb 12, 1992, 4:45 AM PST for Santa Barbara County, California. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Feb 12, 1992, 4:45 AM PST (12:45 UTC)
- Expired
- Feb 12, 1992, 6:45 AM PST
- In force
- 2 hr
- Issued by
- NWS Los Angeles, CA
- Area
- Whole counties
County Santa Barbara County, CA
The nearest sounding before it
Vandenberg AFB, CA (KVBG), launched 12:00Z, 0.8 hours before the alert went out and 48 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
- 20 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 565 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 312 m²/s²
- 0-3 km storm-relative helicity
- 370 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
Local storm report, Feb 12, 3:04 AM PST, 1 hour 41 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE SANTA MARIA CA 300 AM PST WED FEB 12 1991 THE FOLLOWING IS A CHRONOLOGICAL LIST OF STORM EVENTS FOR SAN LUIS OBISPO AND SANTA BARBARA COUNTIES DURING THE LAST 36 HOURS... 02/10/92-0710 AM SPOTTER CALLED NEAR BLACK MOUNTAIN IN SAN LUIS OBISPO COUNTY TO REPORT WINDS 50 TO 60 MPH IN A THUNDERSTORM. 02/10/92-0825 AM SPOTTER FROM LOS OSOS IN SAN LUIS OBISPO COUNTY REPORTED A THUNDERSTORM WITH 2.70 INCHES OF RAIN IN LAST 24 HOURS. 02/10/92-0930 AM SPOTTER NEAR SUMMERLAND IN SANTA BARBARA COUNTY REPORTED HEAVY RAIN AND THUNDERSTORM WITH .50 INCHES LAST HOUR. CHP REPORTED SOME BOULDERS COMING DOWN WITH SMALL MUDSLIDES ON HIGHWAY 154 OVER SAN MARCOS PASS...WITH HEAVY RAIN AND DENSE FOG. SOME TREES DOWN NEAR GAVIOTA. 101 CLOSED NEAR TURNPIKE TEMPORARILY DUE TO MAJOR ACCIDENT. 02/10/92-0510 PM SPOTTER FROM LOMPOC REPORTED A THUNDERSTORM WITH HEAVY RAIN AND LOCAL STREET FLOODING ON CYPRESS AVE. LOCAL POLICE WERE CLOSING OFF PART OF ROAD DUE TO FLOODING. SAN LUIS OBISPO COUNTY SHERIFF REPORTED FLOODING ON COUNTY ROADS NEAR ATASCADERO...AT HALCON...VIEJO CAMINO AND ROCK CANYON ROADS. SANTA BARBARA CHP REPORTED MINOR FLOODING ON HIGHWAY 1...154...AND 101. 02/10/92-0730 PM SPOTTER OVER HIGHWAY 154...SAN MARCOS PASS REPORTED MAJOR MUDSLIDE ON THE ROAD JUST BEFORE LAKE CACHUMA. 02/11/92-1000 AM SAN LUIS OBISPO COUNTY FLOOD CONTROL REPORTED MANY COUNTY ROADS ALONG HIGHWAY 46 FROM PASO ROBLES TO CHALOME WASHED OUT AND CLOSED DUE TO FLOODING. 02/12/92-0200 AM ALERT RAIN GAGES FROM BOTH SAN LUIS OBISPO AND SANTA BARBARA COUNTY HAD FROM .30 TO .50 INCHES OF RAIN WITHIN ONE HOUR. MINOR URBAN FLOODING CONTINUES ON SMALL COUNTY ROADS. 02/12/92-0200 SOME STORM TOTALS FOR THE PAST 36 HOURS... SANTA MARIA ARPT.............1.25 INCHES BUELLTON (25 SE SMX).........1.46 INCHES LOS OSOS (40 NW SMX).........0.51 INCHES LOMPOC (15 S SMX)............1.92 INCHES CUY*AMA (35 E SMX)............0.35 INCHES SAN MARCOS PASS (40 SE SMX)..2.40 INCHES LAKE CACHUMA (35 SE SMX).....2.16 INCHES ALISAL RES (30 SE SMX).......2.56 INCHES FELSCH
Special weather statement, Feb 12, 4:07 AM PST, 38 minutes before
CAZ011>021-121600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOS ANGELES CA 400 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 RAIN FROM THE LOS ANGELES METRO AREA WEST. HEAVIER SHOWERS WERE IN SANTA BARBARA COUNTY. THE RAIN WAS MOVING EAST. ALSO...SOUTH WINDS 20 TO 35 MPH WERE OBSERVED ALONG THE COAST AND OVER 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...AND 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 AT 8 AM PST. PASHOS,
The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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 |
| Feb 12, 1:02 PM PST | Flash Flood Warning | LOX | Los Angeles, San Bernardino | 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.