Flash Flood Warning 13, NWS Sacramento, CA

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
10 AM PST MON FEB 17 1986

A BROAD BAND OF RAIN EXTENDS FROM NORTHERN CALIFORNIA SOUTHWESTWARD
INTO THE SUBTROPICS. THIS BAND OF RAIN WILL MOVE SLOWLY SOUTHEAST
OVER THE DISTRICT OVER THE NEXT TWO DAYS. SURGES OF HEAVY RAIN
WILL RIPPLE RAPIDLY NORTHEASTWARD ALONG THIS BAND CAUSING RAPID
FLUCTUATIONS IN RAIN INTENSITY.

THE HEAVIEST RAIN TODAY WILL BE NORTH OF SAN FRANCISCO TO SACRAMENTO
LINE. THE BELT OF HEAVIEST RAIN IS FORECAST TO MOVE SOUTHWARD
THROUGH THE SAN FRANCISCO BAY AREA AND INTO THE SANTA CRUZ
MOUNTAINS TONIGHT AND TUESDAY MORNING.

A MAJOR CONTRIBUTOR TO FLOOD AND SLIDE PROBLEMS WILL BE THE
DURATION OF THE RAIN. THIS SYSTEM IS MOVING SLOWLY AND TOTAL
ACCULULATIONS WILL BE HEAVY. TOTAL ADDITIONAL ACCUMULATIONS OVER
THE NEXT 48 HOURS COULD TOTAL 3 TO 6 INCHES AT MANY LOWER ELEVATION
LOCATIONS AND AS MUCH AS 15 INCHES IN MOUNTAINOUS AREAS WHERE RAINFALL
BECOMES ENHANCED BY TERRAIN. BLUE CANYON NEAR THE 5000 FOOT LEVEL
ALONG I-80 HAS ALREADY ACCUMULATED NEARLY 13 INCHES OVER THE PAST
TWO AND A HALF DAYS.

THE PUBLIC IS URGED TO MONITOR WEATHER REPORTS AND FORECAST..
ESPECIALLY THOSE LIVING IN OR TRAVELING THROUGH AREAS NORMALLY
PRONE TO FLOODING OR ROCK OR MUD SLIDES. PERSONS TRAVELING THROUGH
THE MOUNTAINS SHOULD BE PREPARED FOR DIFFICULT DRIVING AND
HAZARDOUS DRIVING CONDITIONS. CHECK WITH CALTRANS FOR LATEST ROAD
CONDITIONS.

DETAILSO ON FLASH FLOODING WILL BE IN THE LATEST FLASH FLOOD
WATCH BULLETINS AND STATEMENTS.

DETAILS ON RIVER FLOODING WILL BE IN THE LATEST FLOOD WARNING
BULLETINS AND STATEMENTS.

ADDITIONAL STATEMENTS WILL BE ISSUED AS NEEDED.

EWING

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
U.S. GEOLOGICAL SURVEY MENLO PARK CA
1215 PM PST MON FEB 17 1986

...MUDSLIDES AND EARTH MOVEMENT A STRONG POSSIBILITY THROUGHOUT THE
        SAN FRANCISCO BAY AREA OVER THE NEXT FEW DAYS...

THE HEAVY RAINFALL OVER THE PAST FEW DAYS HAS COMPLETELY SATURATED
HILLSIDES THROUGHOUT THE BAY REGION AND HAS ALREADY BEEN RESPONSIBLE
FOR EARTH MOVEMENT..MUDSLIDES AND MUDFLOW IN MUCH OF THE BAY AREA.

WITH MORE HEAVY RAINFALL IN THE FORECAST FOR THE NEXT FEW DAYS..ANYONE
LIVING NEAR HILLSIDES..SLOPING LAND OR CREEKSIDES IN THE BAY REGION
SHOULD BE AWARE OF THE STRONG POSSIBILITY OF EARTH MOVEMENT AND SLIDES
DURING AND AFTER A HEAVY R	AIN.  BE READY FOR QUICK ACTION IF EARTH
MOVEMENT IS OBSERVED IF A HILLSIDE IS NOTICEABLE WEAKENING OR IF A
FLASH FLOOD WARNING IS ISSUED.

..BARBATO/NATIONAL WEATHER SERVICE
..WEICZOREK/US GEOLOGICAL SURVEY