Flash Flood Warning 2, NWS Los Angeles, CA

STORM REPORT
NATIONAL WEATHER SERVICE LOS ANGELES CA
702 AM PST TUE FEB 11 1992

ON MONDAY FEBRUARY 10 1992...THE SEPULVEDA DAM AND RECREATION AREA IN
THE SAN FERNANDO VALLEY WAS FLOODED. THE SEPULVEDA DAM AREA IS USED AS
A FLOOD CONTROL BASIN BY THE LOS ANGELES COUNTY FLOOD CONTROL OFFICE.
IT IS DESIGNED TO CAPTURE WATER FROM THE LOS ANGELES RIVER TO PREVENT
FLOODING DOWNSTREAM IN THE POPULATED AREAS OF THE SOUTHEASTERN SAN
FERNANDO VALLEY AS WELL AS DOWNTOWN LOS ANGELES...ABOUT 15 MILES
SOUTHEAST. THERE ARE TWO ROADS THAT GO THROUGH THIS AREA...BURBANK
BOULEVARD AND WOODLEY AVENUE. WATER FROM VERY HEAVY RAINFALL IN THE
SAN FERNANDO VALLEY BACKED UP BEHIND THE DAM AND STRANDED FORTY-SIX
PEOPLE. ALL WERE SAFELY RESCUED WITH ONLY THREE REQUIRING STAYS IN THE
HOSPITAL. MAIN FLOODING OCCURED BETWEEN 1230 AND 2 PM.

RAINFALL AMOUNTS WERE AS HIGH AS 5 INCHES FROM THE STORM THAT PRODUCED
THE FLOODING OF THE SEPULVEDA DAM AREA. BETWEEN 11 AM AND 1 PM...RAIN
FELL AT A RATE OF AN INCH AN HOUR IN SOME LOCATIONS. THE RAINFALL WAS
IN AN AREA THAT SAW REPEAT ACTIVITY MOST OF THE DAY. MUCH OF THE HEAVY
RAINFALL WAS MAINLY IN A NARROW BAND FROM POINT MAGU TO MOUNT WILSON.
THE SEPULVEDA DAM ALERT GAUGE RECORDED 1.37 INCHES BETWEEN 1238 PM
AND 137 PM AND 4.23 INCHES FOR THE STORM.

THE FOLLOWING IS A CHRONOLOGICAL TIMETABLE OF EVENTS OR REPORTS...

1230 PST...SEPULVEDA DAM...15 MILES NORTHWEST OF LOS ANGELES...ROSE
           12 FEET IN THE LAST 2 HOURS WITH FLOODING BEGINNING IN
           THE SURROUNDING AREAS INCLUDING MAJOR STREETS.
1330 PST...MALIBU CREEK...30 MILES WEST OF LOS ANGELES...WAS REPORTED
           FLOODED DUE TO HEAVY RAINFALL OVER THE SANTA MONICA
           MOUNTAINS. SEVERAL HOMES REPORTED INUNDATED.
1440 PST...CONEJO CREEK NEAR CAMARILLO...15 MILES NORTHEAST OF PT.
           MUGU...WAS REPORTED OVER ITS BANKS WHERE IT INTERSECTS
           HIGHWAY 101.
1500 PST...WIDESPREAD FLOODING OF NUMEROUS SAN FERNANDO VALLEY STREETS
           ...SOME OF WHICH WERE COMPLETELY IMPASSABLE.
1728 PST...SEPULVEDA DAM PEAKS AT MAXIMUM HEIGHT...SOME 27 FEET ABOVE
           THE EARLY MORNING READING. WIDESPREAD FLOODING OF THE
           SURROUNDING AREA.
2010 PST...HEAVY RAIN AND WIDESPREAD FLOODING OF THE ANTELOPE VALLEY
           ...ESPECIALLY THE PALMDALE...QUARTZ HILL...AND LANCASTER
           AREAS. NUMEROUS MAJOR STREETS REPORTED FLOODED AND
           IMPASSABLE.

PASHOS
WARNING PREPAREDNESS METEROLOGIST

CAZ011>021-112200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOS ANGELES CA
930 AM PST TUE FEB 11 1992

...WINTER STORM WARNING SAN BERNARDINO RANGE NORTH TODAY...
...SNOW ADVISORY REMAINDER OF MOUNTAIN AREAS...
...NEXT STORM DUE LATE TONIGHT AND WEDNESDAY...

SHOWERS AND THUNDERSTORMS CONTINUE OVER THE SOUTHLAND TODAY...
A WINTER STORM WARNING CONTINUES IN EFFECT FOR THE SAN BERNARDINO
MOUNTAINS NORTH TO THE TEHACHAPIS WITH UP TO 8 INCHES OF SNOW POSSIBLE
IN THE HIGHER ELEVATIONS.

PEOPLE DRIVING INTO THE MOUNTAINS SHOULD BE PREPARED FOR WINTER
WEATHER CONDITIONS...CARRY CHAINS...AND LISTEN TO THE LATEST WEATHER
REPORTS.

AT 830AM PST RADAR AND SATELLITE DATA INDICATED AN AREA OF SHOWERS OVER
LOS ANGELES AND SOUTHWEST SAN BERNARDINO COUNTIES WITH A FEW EMBEDDED
HEAVY SHOWERS OR THUNDERSTORMS. A SECOND AREA OF SHOWERS OFF THE COAST
OF NORTHERN ORANGE COUNTY IS MOVING NORTH NORTHEASTWARD AND EXPECTED TO
MOVE ONSHORE LATER THIS MORNING AND AFRERNOON.

ANOTHER STORM SYSTEM ABOUT 500 MILES OFF THE COAST OF CENTRAL AND SOUTHERN
CALIFORNIA IS MOVING RAPIDLY EASTWARD LIKELY AFFECTING THE SOUTHLAND LATE
TONIGHT AND WEDNESDAY.

THE NEXT STATEMENT WILL BE ISSUED ABOUT 2 PM PST.

FINKE