Flash Flood Warning 20, NWS Los Angeles, CA

CAZALL-222100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOS ANGELES CA
11 AM PDT SAT SEP 22 1990

...SHOWERS AND THUNDERSTORMS APPROACHING SANTA BARBARA AREA...

AT 1030 AM THIS MORNING..RADAR AND SATELLITE INFORMATION SHOWED A BAND
OF SHOWERS AND THUNDERSTORMS IN THE SANTA BARBARA CHANNEL..EXTENDING
FROM JUST SOUTH OF POINT CONCEPTION TO POINT MUGU WITH A NARROW BAND
FROM FARTHER SOUTHEAST TO NEAR CATALINA ISLAND.

THIS ACTIVITY IS MOVING NORTHWEST ABOUT 10 MPH IN THE CIRCULATION
AROUND THE PERIPHERY OF A WEAK UPPER LOW NOW CENTERED ABOUT 300 NM
WEST OF SAN DIEGO. SHOWERS ARE BEGINNING TO MOVE ONSHORE AND WILL
AFFECT COASTAL AND MOUNTAIN AREAS NORTHWEST OF POINT DUME FOR THE
NEXT FEW HOURS.  BRIEF PERIODS OF HEAVY RAIN ARE LIKELY WITH UP TO
HALF AN INCH OR MORE IN SOME HEAVIER THUNDERSTORMS.  MOTORISTS SHOULD
BE ALERT FOR SLIPPERY ROADS..AND REMEMBER DANGEROUS LIGHTNING WILL
ACCOMPANY THE THUNDERSTORMS.  STAY INDOORS OR IN YOUR CAR DURING
THUNDERSTORMS.

PERSONS LIVING IN AND BELOW THE PAINTED CAVE BURN AREA OF SANTA
BARBARA SHOULD KEEP ABREAST OF LATEST WEATHER DEVELOPMENTS.  DEBRIS
FLOW CAN START IN THE BURN AREA IF AN INCH OF RAIN OCCURS WITHIN AN
HOUR IN HEAVTY SHOWERS.  BE ESPECIALLY ALERT IF HEAVY RAIN DEVELOPS
IN THE BURN AREA.

FURTHER STATEMENTS WILL BE ISSUED AS CONDITIONS WARRANT.

HAMILTON

CAZ003-04-222200

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SANTA MARIA CA
1255 PM PDT SAT SEP 22 1990

...THUNDERSTORMS ACROSS PARTS OF CENTRAL SANTA BARBARA COUNTY WITH
MORE ON THE WAY FOR THE REST OF THE COUNTY...

AT 1245 PM...REMOTE WEATHER SENSORS IN THE SAN RAFAEL MOUNTAINS
INDICATED LIGHT TO MODERATE RAINFALL FROM THUNDERSTORMS DURING THE
LAST HOUR. THE BATES RIDGE SENSOR REPORTED 0.16 INCHES IN THE LAST
HOUR AND 0.28 INCHES SINCE 10 AM. THIS IS ALL IN ADDITION TO THE 1 TO
2 INCHES OF RAIN REPORTED LAST EVENING.

THESE THUNDERSTORMS WILL CONTINUE OVER THE SAN RAFAEL MOUNTAINS THIS
AFTERNOON WITH ADDITIONAL RAINFALL EXPECTED...SOME OF WHICH MAY BE
HEAVY. MOVEMENT WAS VERY SLOWLY TO THE NORTH.

ALL PERSONS IN OR PLANNING TO TRAVEL IN THE BACK COUNTRY OF SANTA
BARBARA COUNTY THIS AFTERNOON OR EVENING SHOULD BE ALERT FOR POSSIBLE
WASHED OUT ROADWAYS OR TRAILS IN RAVINES AND CANYONS. IN ADDITION
...THESE STORMS MAY CONTAIN DANGEROUS LIGHTNING. IF THREATENED...SEEK
SOME SORT OF SAFE SHELTER IMMEDIATELY.

RADAR AND SATELLITE DATA INDICATE THE PRESENT THUNDERSTORM ACTIVITY
WILL BECOME MORE NUMEROUS ACROSS THE COUNTY AS THE DAY GOES ON. ALL
CONCERNED PERSONS IN SANTLA BARBARA COUNTY SHOULD STAY ABREAST OF THE
LASTEST WEATHER CONDITIONS AND LISTEN OR FURTHER STATEMENTS ON THIS
SITUATION.

TRM

CAZ003-04-222300

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SANTA MARIA CA
230 PM PDT SAT SEP 22 1990

...FLASH FLOOD WATCH FOR NORTHERN SANTA BARBARA COUNTY AND SAN
LUIS OBISPO COUNTY UNTIL 9 PM PDT...

A FLASH FLOOD WATCH IS IN EFFECT FOR NORTHERN SANTA BARBARA COUNTY
...NORTH OF THE SANTA YNEZ RANGE...AND ALL OF SAN LUIS OBISPO
COUNTY UNTIL 9 PM PDT.

AT 200 PM PDT...WEATHER RADAR AND SATELLITE DATA SHOWED THUNDERSTORMS
BLOSSOMING OVER MUCH OF SANTA BARBARA COUNTY AND SAN LUIS OBISPO
COUNTY. THE STRONGEST ACTIVITY WAS OVER PARTS OF CENTRAL SAN LUIS
OBISPO COUNTY NORTH OF SAN LUIS OBISPO TO NEAR PASO ROBLES. SATELLITE
ESTIMATES OF POTENTIAL RAINFALL RATES INDICATED AS MUCH AS 1 INCH PER
HOUR MAY BE FALLING FROM THESE STORMS.

OTHER STRONG THUNDERSTORMS WERE OVER PORTIONS OF EASTERN SANTA
BARBARA COUNTY...INCLUDING THE ADJACENT COASTAL WATERS.

MOVEMENT WAS TO THE NORTH AT 15 MILES AN HOUR.

PERSONS LIVING IN THE WATCH AREA...ESPECIALLY BETWEEN SAN LUIS OBISPO
AND PASO ROBLES...SHOULD BE PREPARED FOR POSSIBLE HEAVY RAINS AND
SUBSEQUENT FLASH FLOODING. SEEK HIGHER GROUND IF FLOODING DOES OCCUR.

TRM