Alert archive / California / Flash Flood Warnings in 1994
Flash Flood Warning 2, NWS Los Angeles, CA
NWS Los Angeles, CA issued this flash flood warning at Feb 7, 1994, 10:30 PM PST for Los Angeles County, California. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Feb 7, 1994, 10:30 PM PST (06:30 UTC)
- Expired
- Feb 8, 1994, 12:30 AM PST
- In force
- 2 hr
- Issued by
- NWS Los Angeles, CA
- Area
- Whole counties
County Los Angeles County, CA
The nearest sounding before it
Pt Mugu Naws, CA (KNTD), launched 00:00Z, 6.5 hours before the alert went out and 78 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
- 260 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 712 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 198 m²/s²
- 0-3 km storm-relative helicity
- 219 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLAX 080632 FFWLAX CAC037-080830- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LOS ANGELES CA 1030 PM PST MON FEB 7 1994 ...FLASH FLOODING WITH HEAVY MUD AND DEBRIS FLOWS IN THE ALTADENA BURN AREA LIKELY... THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1230 AM PST TONIGHT. AT 1015 PM PST...MUDSLIDES ARE OCCURING IN THE ALTADENA BURN AREA. THERE IS A SHOWER WITH MODERATE TO HEAVY RAIN IN THAT AREA. IT WILL PERSIST OVER THE NEXT HOUR WITH OTHER MUD AND DEBRIS FLOWS POSSIBLE. THE CALIFORNIA OFFICE OF EMERGENCY SERVICE...IN COOPERATION WITH THE NATIONAL WEATHER SERVICE...ADVISES THAT THE CURRENT HEAVY RAIN WILL LIKELY RESULT IN HEAVY MUD AND DEBRIS FLOWS IN THE BURNED AREAS IN THE IMMEDIATE FUTURE. FOLLOW DIRECTIONS OF EMERGENCY PREPAREDNESS OFFICIALS AND EVACUATE IF REQUESTED TO DO SO. PERSONS LIVING IN OR BELOW THE WARNING AREA SHOULD BE PREPARED TO MOVE IMMEDIATELY... WITHOUT WAITING FOR INSTRUCTIONS...IF HEAVY FLOWS OF WATER...OR DEBRIS ARE OBSERVED IN THEIR AREA. PASHOS
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 7, 4:55 PM PST, 5 hours 35 minutes before
CAZ011-012-015-016-017-021-080330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOS ANGELES CA 455 PM PST MON FEB 7 1994 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE SOUTHERN CALIFORNA COASTAL AREAS UNTIL 6 PM THIS EVENING... ...SHOWERS AND A FEW THUNDERSTORMS CONTINUED OVER THE SOUTHLAND... AT 430 PM PST...SATELLITE AND RADAR INDICATED BANDS OF SHOWERS WITH A FEW EMBEDDED THUNDERSTORMS MOVING OVER SOUTHERN CALIFORNIA. ONE BAND WAS OVER SOUTHERN ORANGE COUNTY...A SECOND BAND WAS MOVING INTO WESTERN LOS ANGELES COUNTY...AND A THIRD BAND WAS MOVING OVER EASTERN SANTA BARBARA COUNTY. EACH OF THESE BANDS OF RAIN HAS THE POTENTIAL TO PRODUCE A HALF-INCH WITHIN A 2 HOUR PERIOD. VOLUNTEER WEATHER SPOTTERS AND AUTOMATIC RAIN GAUGES HAVE REPORTED ON THE AVERAGE...A HALF-INCH OF RAIN WITH THE BANDS AS THEY PASSED OVER THEM. ELSEWHERE...STRONG WINDS CONTINUED ALONG THE SOUTH COAST AHEAD OF THE FRONT. THE GUSTIER WINDS WERE SOMEWHAT ISOLATED HOWEVER. SCRIPPS PIER HAS REPORTED SUSTAINED SOUTH WINDS OF 30 MPH WITH GUSTS NEAR 40. RESIDENTS IN COASTAL SOUTHERN CALIFORNIA ARE REMINDED THAT CONDITIONS REMAIN FAVORABLE FOR THUNDERSTORM DEVELOPMENT...AND THAT A FEW A THESE STORMS COULD CONTAIN LARGE HAIL AND DAMAGING WINDS. SEVERE THUNDERSTORM WATCH CONTINUES FOR COASTAL AREAS OF SOUTHERN CALIFORNIA UNTIL 6 PM. PASHOS
Special weather statement, Feb 7, 4:56 PM PST, 5 hours 34 minutes before
CAZ011-012-015-016-017-021-080330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOS ANGELES CA 455 PM PST MON FEB 7 1994 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE SOUTHERN CALIFORNA COASTAL AREAS UNTIL 6 PM THIS EVENING... ...SHOWERS AND A FEW THUNDERSTORMS CONTINUED OVER THE SOUTHLAND... AT 430 PM PST...SATELLITE AND RADAR INDICATED BANDS OF SHOWERS WITH A FEW EMBEDDED THUNDERSTORMS MOVING OVER SOUTHERN CALIFORNIA. ONE BAND WAS OVER SOUTHERN ORANGE COUNTY...A SECOND BAND WAS MOVING INTO WESTERN LOS ANGELES COUNTY...AND A THIRD BAND WAS MOVING OVER EASTERN SANTA BARBARA COUNTY. EACH OF THESE BANDS OF RAIN HAS THE POTENTIAL TO PRODUCE A HALF-INCH WITHIN A 2 HOUR PERIOD. VOLUNTEER WEATHER SPOTTERS AND AUTOMATIC RAIN GAUGES HAVE REPORTED ON THE AVERAGE...A HALF-INCH OF RAIN WITH THE BANDS AS THEY PASSED OVER THEM. ELSEWHERE...STRONG WINDS CONTINUED ALONG THE SOUTH COAST AHEAD OF THE FRONT. THE GUSTIER WINDS WERE SOMEWHAT ISOLATED HOWEVER. SCRIPPS PIER HAS REPORTED SUSTAINED SOUTH WINDS OF 30 MPH WITH GUSTS NEAR 40. RESIDENTS IN COASTAL SOUTHERN CALIFORNIA ARE REMINDED THAT CONDITIONS REMAIN FAVORABLE FOR THUNDERSTORM DEVELOPMENT...AND THAT A FEW A THESE STORMS COULD CONTAIN LARGE HAIL AND DAMAGING WINDS. SEVERE THUNDERSTORM WATCH CONTINUES FOR COASTAL AREAS OF SOUTHERN CALIFORNIA UNTIL 6 PM. PASHOS
Special weather statement, Feb 7, 6:05 PM PST, 4 hours 25 minutes before
CAC029-037-059-065-071-083-111-080300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOS ANGELES CA 605 PM PST MON FEB 7 1994 ...THE SEVERE THUNDERSTORM WATCH FOR MUCH OF THE SOUTHERN CALIFORNIA COASTAL AREAS HAS EXPIRED AND WILL NOT BE REISSUED... AT 6 PM PST...RADAR AND SATELLITE INDICATED BANDS OF SHOWERS CONTAINING HEAVY RAIN AND GUSTY WINDS TO 40 MPH IN STRONGER EMBEDDED THUNDERSTORMS. SHOWERS AND THUNDERSTORMS REMAIN IN THE FORECAST TxHROUGH TONIGHT...AND ARE FORECAST TO TAPER OFF TOMORROW MORNING. HOWEVER...THE POTENTIAL FOR SEVERE WEATHER HAD DIMINISHED...AND THE SEVERE THUNDERSTORM WATCH HAS EXPIRED AT 6 PM AND WILL NOT BE REISSUED. LEIVERS
Special weather statement, Feb 7, 6:05 PM PST, 4 hours 25 minutes before
CAC029-037-059-065-071-083-111-080300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOS ANGELES CA 605 PM PST MON FEB 7 1994 ...THE SEVERE THUNDERSTORM WATCH FOR MUCH OF THE SOUTHERN CALIFORNIA COASTAL AREAS HAS EXPIRED AND WILL NOT BE REISSUED... AT 6 PM PST...RADAR AND SATELLITE INDICATED BANDS OF SHOWERS CONTAINING HEAVY RAIN AND GUSTY WINDS TO 40 MPH IN STRONGER EMBEDDED THUNDERSTORMS. SHOWERS AND THUNDERSTORMS REMAIN IN THE FORECAST THROUGH TONIGHT...AND ARE FORECAST TO TAPER OFF TOMORROW MORNING. HOWEVER...THE POTENTIAL FOR SEVERE WEATHER HAD DIMINISHED...AND THE SEVERE THUNDERSTORM WATCH HAS EXPIRED AT 6 PM AND WILL NOT BE REISSUED. LEIVERS
The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 8, 12:40 AM PST | Flash Flood Warning | LOX | Los Angeles | 3 hr |
Nearby
Flash Flood Warnings in California, 1994Every flash flood warning in 1994
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.