National Weather Service
SCO' 00007 PCY 00011 02/19/86 04.16.17
SKK/ BBDEFSPECIAL WEATRER STATEMENTNATIONAL WEATHER 5
ERVICE SAN FRANCISCO CA4 AM PST WED FEB 19 1986...WINTER STORM WARNING TODAY OVE
R TRE SIERRA NEVADA AT THE HIGHER ELEVATIONS NORTR OF KINGSD CANYON PARK......
FLASH FLOOD WARNING FOR MUCR OF THE SAN FRANCISCO BAY REGION AND NORTHERN SIER
RA NEVADA...FLASH FLOOD WATCR FOR MUCH OF THE REST OF NORTHERN AND CENTRAL CAL
IFORNIA...SEE FLASH FLOOD STATEMENTS FOR DETAILS...RIVER FLOOD WARNINGS FOR MA
NY NORTHERN CALIFORNIA RIVERS...SEE FLOOD WARNING BULLETINS FOR DETAILS...A MA
JOR WINTER STORM WILL CONTINUE TO CAUSE HEAVY SNOW AT TRE RIGHERELEVATIONS IN TH
E NORTHERN SIERRA NEVADA NORTH OF KINGS CANYON PARKTHROUGH TODAY. SNOW LEVELS WI
LL LOWER TO 5000 FEET NORTH TO 6500FEET SOUTH BY LATE AFTERNOON. OCCASIONAL HEAV
Y RAINS CAN BE EXPECTEDAT THE LOWER ELEVATIONS OF THE SIERRA NEVADA NORTH OF KIN
GS CANYON PARK.ALSO...VIRY STROIG WINDS WILL OCCUR OVER MUCH OF THE SIERRA NEVAD
A.PERSONS PLANNING TO DO ANY TRAVELING TODAY ARE URGED TO BEPREPARED FOR DIFFICn
LT OR IMPOSSIBLE TRAVELING CONDITIONSAS MANY HIGHWAYS ARE CLOSED OR WASHED OUT.R
EMINDER..DETAILS ON FLA~R FLOODING WILL BE IN THE LATEST FLASH
BBDEF
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
4 AM PST WED FEB 19 1986
...WINTER STORM WARNING TODAY OVER TRE SIERRA NEVADA AT THE HIGHER
ELEVATIONS NORTH OF KINGSD CANYON PARK...
...FLASH FLOOD WABNING FOR Mucn OE THE SAN FRANCISCO BAY REGION AND
NORTHERN SIERRA NEVADA...FLASH FLOOD WATCH FOR MUCH OF THE REST
OF NORTHERN AND CENTRAL CALIFORNIA...SEE FLASH FLOOD STATEMENTS
FOR DETAILS
...RIVER FLOOD WARNINGS FOR MANY NORTHERN CALIFORNIA RIVERS...SEE
FLOOD WARNING BULLETINS FOR DETAILS...
A MAJOR WINTER STORM WILL CONTINUE TO CAUSE HEAVY SNOW AT THE HIGHER
ELEVATIONS IN THE NORTH~N SIERRA NEVADA NORTH OF KINGS CANYON PARK
THROUGH TODAY. SNOW LEVELS WILL LOWER TO 5000 F~ET NORTH TO 65~0
FEET SOUTH BY LATE AFTERNOON. OCCASIONAL HEAVY RAINS CAN BE EXPECTED
AT THE LOWER ELEVATIONS OF THE SIERRA NEVADA NORTH OF KINGS CANYON PARK.
ALSO...VERY STRONG WINDS WILL OCCUR OVER MUCH OF THE SIERRA NEVADA.
PERSONS PLANNING TO DO ANY TRAVELING TODAY ARE URGED TO BE
PREPARED FOR DIFFICULT OR IMPOSSIBLE TRAVELING CONDITIONS
AS MANY HIGHWAYS ARE CLOSED OR WASHED OUT.
REMINDER..DETAILS ON FLASH FLOODING WILL BE IN THE LATEST FLASH
FLOOD WARNING BULLETINS AND STATEMENTS AND DETAILS ON RIVER FLOODING
WILL BE IN THE LATEST FLOOD WARNING BULLETINS AND STATEMENTS.
ADDI1IONAL STATEMENTS WILL BE ISSUED AS N~EDED.
HELLER .
DIRECTOR OES SACRAMENTO/RANDY
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SCO 00004 PCY 00008 02/19/86 02.38.35 "
I '
SKK. ' " NWS SAN FRANC, SCO Q1'RF 3 AM 1'ST \lED FIB
19 19B6RAINY DAY RATIOS FOR 4 SIX HOURLY PERIODS BEGINNING 4 AM 1'ST WEDt 0705040
32 06050403 04070505 04070504 040706043 070B0404 06060603.080808054 06050404 060
40705 12121208504050405 03050505 070B07056 03040404 01030303 05040604S1'ECIAL au ,
RN AREA FORECASTS...6 HOURLY AMOUNTS IN INCHESLEXINGTON . 0. B/0. '7/0 \6/0.6
RAT CREEK/GORDA 0.5/0J5/0.5/0.5LAS 1'ILITAS 0.3/0.4/0.4/0.6SYN01'SIS...S
TRONG FRONTAL ZONE WILL MOVE INTO SURRA NEVADA MOUNTAtNSRY LATE MORNNG. RlHIND
, THE FRONTAL SYSTEM WILL ]I CLUSTERS OF'SHOWERSAND THUNDERSTORMS; LOCALLY HEAVY l'
RECI1'ITATION MAY'OCC~ IN T~HEAVIER SHOWERS...ES1'ECIALLY IN MOUNTAINOUS AREAS.H
ELLERDIRECTOR OES SACRAMENTO/RANDY .
SC000005 PCY 00009 02/19/86 ~2.39~36
SKK/ -
NWS SAN FRANC SCO QPRF 3 AM PST WED FEB 19 1986
RAINY DAY,RATIOS FOR 4 SIX HOURLY 1'ERIODS BEGINNING 4 AM 1'ST \lED
1 07050403
2 06050403 04070505 04070504 04070604
3 0'7080404 6080.603 08080805
6040705 12121208
04053050505'0'7080705.
6 03040404 01030303 05040604
S1'ECIAL BURN AREA FORECASTS...6 'nOURLY AMOUNTS ,IN INCHES
LEXINGTON 0.8/0.'7/0.6/0.6
RAT CREEK/GORDK 0.5/0.5/0.5/0.5
LAS PILITAS. 0.3/0.4/0.4/0.6 '
SYN01'SIS;. .STRONG FRONTAL ZONE \lILL MOVE INTO SIERRA NEVADA MOUNTAINS
BY LATE MORNNG.aIRIND THE FRONTAL SYSTEM \I ILL BE CLUSTERS 0:1' SHOWERS
AND THUNDERSTORMS. LOCALLY HEAVY PRECIPITATION MAY OCCUR IN THE
I!EAVIER SHO\lERS.. .ESPECIAL'LY IN MOUNTAINOUS .ARlAS.
RELLER . .
DIRECTOR QES . SAtRAMENTO/RANDY
'\
:-
. ,
SCO 00034 PCY 00210 02/18/86 21.04.38'
SKK/SCO 00050 02/18/86 21.04.21 BULLETIN...IMMEDIATE BROADCAST REQUESTEDFLASH
FLOOD WARNINGNATIONAL WEATHER SERVICE SAN FRANCISCO CA.9 PM PST TUESDAY FEB 18 1
986A FLASH 'FLOOD WARNING IS ISSUED FOR SANTA CLARA AND SANTA CRUZCOUNTIES UNTIL
6 AM WEDNESDAY FEBRUARY.19. VEY HEAVY RAINS ARENO~ OCCURRING ARE EXPECTED TO CO
NTINUE OFF AND ON THROUGH THE NIGHT.A FLASH FLOOD WARNING MEANS FLOODING IS OCCU
RING OR IMMINENT.PERSONS AKWACICFNKBLAND WATERWAYS SHOULD BE ALERT FOP RAPIDLYRI
SING WATER AND BE PREPARED TO MOVE TO A PLACE OF SAFETY.PERICHTNNDIRECTOR OES SA
CRAMENTO RBB
SCO 00036 PCY00211 02/18/86 21.37.16
SKK/LGP/ IECIAL WEATHER STATEMENTNATIONAL WEATHERS
ERVICE SAN FRANCISCO CA9 PM PST TUE FEB 18 1986...WINTER STORM WARNING TONIGHT 0
VER THE SIERRA NEVADA.. ....HIGH WIND WARNING TONIGHT IN THE SAN FRANCISCO BAY RE
GION...FLASH FLOOD WARNING FOR MUCH OF THE SAN FRANCISCO BAY REGION NORTHERN S
IERRA NEVADA.~AND SOUTHERN SACRAMENTO VALLEY AND FLASH FLOOD WATCH FOR MUCH OF
THE REST OF NORTHERN AND CENTRAL CALIFORNIA..SEE FLASH FLOOD STATEMENTS FOR D
ETAILS...RIVER FLOOD WARNINGS FOR MANY NORTHERN CALIFORNIA RIVERS...SEE FLOOD
WARNING BULLETINS FOR DETAILS...REAVY SNOW CONTINUES ABOVE 6000 TO 7500 FEET IN
THE SIERRA NEVADAWITH MODERATE TO HEAVY RAIN FALLING BELOW. THE SNOW LEVEL WILL
DROPTONIGHT AND WEDNESDAY. HEAVY RAIN IS FALLING OVER MUCH OF REST OFTHE NORTHER
N HALF OF THE STATE. LOCALLY STRONG WINDS ~RE OCCURRING OVER MUCH OF NORTHERN AND
CENTRALCALIFORNIA PARTICULARLY IN THE SAN FRANCISCO BAY REGION. WINDS INTHE MAN
Y EXPOSED POINTS IN THE SAN FRANCISCO BAY REGION ARE EXPECTEDTO GUST TO 65 MPH.P
ERSONS PLANNING TO DO ANY TRAVELING TONIGHT ARE URGED TO BEPREPARED FOR DIFFICUL
T OR IMPOSSIBLE TRAVELING CONDITIONSAS MANY HIGHWAYS ARE CLOSED OR WASHED OUT.
SCO 00037 PCY 00212 02/18/86 21.38.53
SKK/LGP/LS ON FLASH FLOODING WILL BE IN THE LATEST FLASHFLOOD WARNING BULLETINS
AND STATEMENTS AND DETAILS ON RIVERFLOODING WILL BE IN THE LATEST FLOOD WARNING
BULLETINS AND STATEMENTS.ADDITIONAL STATEMENTS WILL BE ISSUED AS NEEDED.PERICHTN
NDIRECTOR OES SACRAMENTO RBB
CLET 13?01 PCY 00213 02/18/86 21.47.55
~~0'. ~T~~~r
.memorandum
la, TO
. All
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G t IZl ~: Z"'.;;J d
FROM
Stations
SFO Office of NWS
DATE
Weather Bulletin
2-18-86
The SFO office of the National Weather Bureau has issued the following weather broadcast:
The earlier Flash Flood Watch is now upgraded to a Flash Flood Warning. The current
storm system has moved South and heavy precipitation is now expected until about 0600 hrs
tomorrow morning with winds gusting to 65 MPR.
REOROER I: 963074
~ 26-A REV 9/83
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NO MAtCH NAME FIELD
NO WANTS
INSUFFICIENT DATA FOR NCIC CHECK
********** END OF WPS MESSAGE **********
SCO 00023 PCY 00188 02/18/86 16.18.28
SKK/ SSSSSSSSSFOFFWSFOTTAA00 KSFO 190000\\DEF S
FOFFWSFOCAC001-013-191400BULLETIN...IMMEDIATE BROADCAST REQUESTEDFLASH FLOOD WAR
NINGNATIONAL WEATHER SERVICE SAN FRANCISCO CA.4 PM PST TUESDAY FEE 18 1986A FLAS
H FLOOD WARNING IS ISSUED FOR ALAMEDA AND CONTRA COSTA COUNTYUNTIL 6 AM WEDNESDA
Y FEBRUARY 19. VERY HEAVY RAINS ARE NOWOCCURIING ARE EXPECTED TO CONTINUE OFF A
ND ON THROUGH THE NIGHT.A FLASH FLOOD WARNING MEANS FLOODING IS OCCURING OR IMMI
NENT.PERSONS NEAR STREAMS AND WATERWAYS SHOULD BE ALERT FOR RAPIDLYRISING WATER
AND BE PREPARED TO MOVE TO A PLACE OF SAFTY.PERICHTDIRECTOR OES SACRAMENTO///RON
~co 00024 pey 00192 02/18/86 16.26.27
SKK/ CZC SFOFFSSFOTTAA00 KSFO 182326FLASH FLO
OD STATEMENTNATIONAL WEATHER SERVICE SAN FRANCISCO CA.325 PM PST TUE FEB 18 1986
..FLASH FLOOD WARNINGS IN EFFECT FOR MARIN..NAPA..SONOMA AND SANMATEO COUNTIES T
HROUGH 6 AM WEDNESDAY MORNING AS HEAVY SHOWERS MOVEONSHORE.FLASH FLOOD WARNINGS
IN EFFECT UNTIL 6PM FOR THE FOLLOWING COUNTIES..EL DORADO NEVADA PLACER
PLUMASFLASH FLOOD WATCEES HAVE BEEN EXTENDED UNTIL 9 AM WEDNESDAY FOR..ALAMEDA
ALPINE AMADOR BUTTE CALAVERAS COLUSACONTRA COSTA
DEL NORTE GLENN HUMBOLDT LAKELASSEN MENDOCINO MONTEREY MODO
C MONO SACRAMENTOSAN JOAQUIN SANTA CRUZ SANTA CLARA SHAS
TASIERRA SISKIYOU SOLANO STANISLAUS SUTTERTEHAMA
TRINITY TUOLUMNE YOLO YUBA.THE FLASH FLOOD WATCH FOR W
ESTERN SAN LUIS OBISPO. .MARIPOSA..MADERA..AND EASTERN FRESNO COUNTIES HAVE BEEN
CANCELLED.MODERATE TO HEAVY RAIN IS CONTINUING IN THE NORTHERN SIERRA
SCO 00025 PCY 00193 02/18/86 16.30.27
SKK/ FLASH FLOOD WARNINGS REMAIN IN EFFECT FOR PLUMAS..NEVADA..PLACER..AND EL DO
RADO COUNTIES. HEAVY RAIN IS NOW MOVING ONSHORE NORTHOF SAN FRANCISCO ONTO ALRE
ADY SATURATED NAPA..SONOMA AND MARIN COUNTIESAND FLASH FLOOD WARNINGS ARE IN EFF
ECT IN THESE COUNTIES FROM 3 PM THISAFTERNOON THROUGH 6 AM WEDNESDAY MORNING.MOI
ST AIR CONTINUES TO STREAM OVER CALIFORNIA FROM THE SOUTHWEST..WITHTHE NEXT MAJO
R BAND OF RAIN REACHING THE COAST TUESDAY EVENING. WITHMANY STREAMS AND RIVERS
ALREADY RUNNING AT OR OVER FLOOD STAGE...ANDTHE THE GROUND TOTALLY SATURATED...!
NY ADDITIONAL RAINFALL WILL ONLYCOMPOUND THE NUMEROUS PROBLEMS THROUGHOUT THE AR
EA.A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING OR MUD SLIDES ANDFLOWS ARE OC
CURRING OR IMMINENT. PERSONS IN THE WARNING AREAS SHOULDBE PREPARED TO MOVE HIG
HER TO GROUND AT A MOMENTS NOTICE IF HEAVY RAINOR FLASH FLOODING IS OBSERVED OR
IF A HILLSIDE IS NOTICEABLY WEAKENINGOR ABOUT TO GIVE wAY..A FLASH FLOOD WATCH M
EANS THAT FLASH FLOODING IS POSSIBLE WITHIN THEWATCH AREA. PERSONS IN THE WATCH
AREA ARE ADVISED TO KEEP INFORMEDAND BE READY FOR QUICK ACTION IF FLASH FLOODIN
G IS OBSERVED OR AFLASH FLOOD WARNING IS ISSUED..BARBATO..SERVICE HYDROLOGISTDIR
ECTOR OES SACRAMENTO MV
p Y
00005
Co C
S
SKK/
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
3 AM PST TUE FEE 18 1986
...WINTER STORM WARNING TODAY OVER THE SIERRA NEVADA...
...HIGH WIND WARNING TODAY IN THE SAN FRANCISCO BAY REGION
...FLASH FLOOD WARNING FOR SIERRA NEVADA COUNTIES AND FLASH
FLOOD WATCHES FOR MUCH OF THE REMAINDER OF NORTHERN AND CENTRAL
CALIFORNIA COUNTIES...SEE FLASH FLOOD STATEMENTS FOR DETAILS...
...RIVER FLOOD WARNINGS FOR MANY NORTHERN CALIFORNIA RIVERS...SEE
FLOOD WARNING BULLETINS FOR DETAILS...
HEAVY SNOW CONTINUES ABOVE 7000 TO 8000 FEET IN THE SIERRA NEVADA
WITH ~ODERATE TO HEAVY RAIN FALLING BELOW. THE SNOW LEVEL WILL DROP
TONIGHT AND WEDNESDAY. LIGHT RAIN OVER WESTERN PORTIONS OF THE STATE
WILL GRADAULLY INCREASE IN INTENSITY THROUGH THE DAY AS ANOTHER SURGE
OF MOISTURE MOVES INLAND.
LOCALLY STRONG WINDS ARE OCCURRING OVER MUCH OF NORTHERN AND CENTRAL
CALIFORNIA PARTICULARLY IN THE SAN FRANCISCO BAY REGION AND IN THE
SOUTHERN SIERRA NEVADA. WINDS IN THE MOST EXPOSED POINTS IN THE
SAN FRANCISCO BAY REGION ARE EXPECTED TO GUST TO 55 MPH.
PERSONS PLANNING TO DO ANY TRAVELING TODAY ARE URGED TO BE
PREPARED FOR DIFFICULT OR IMPOSSIBLE TRAVELIN~ CONDITIONS
00049
02/18/86 04.31'55
AS MANY HIGHWAYS ARE CLOSED OR ~ASHED OUT.
REMINDER..DETAILS ON FLASH FLOODING WILL BE IN THE LATEST FLASH
FLOOD WARNING BULLETINS AND STATEMENTS AND DETAILS ON RIVER
FLOODING WILL BE IN THE LATEST FLOOD WARNING BULLETINS AND STATE
MENTS.
ADDITIONAL STATEMENTS WILL BE ISSUED AS NEEDED.
NULL
DIRECTOR DES SACRAMENTO//LD
SONOMA'. .'NAPA'..MARIN'..CONTRA COSTA. .ALAMEDA. .SAN ,MATEO~':YOLO:~>~/"":(;
SO~ANO.~SAN JOAQUIN..SACRAMENTO..NEVADA.~ptACER.~EL DORADO~~ '
AMADOR. .SANTA CLARA.. SANTA CRUZ. .SOUTHERN MENDOC I NO AND LAKE.,
FLASH FLOOD WATCHES ARE IN EFFECT FOR THE FOLLOWING COUNTIES'
THROUGH 9 AM PST WEDNES DAY. . r
';.:'?,}..I~:<\~~~!;1(f,ft.\:~:~y?;r:.~ :t:J?,,~~,:-~t";';\' .".'
. . I ',.~ tf
. ' ' \
DEL NOR'rE..S ISK IYOU. ~ MO NO. . HUM:BOLDT . . TRINI TY .. SHASTA..LASSEN .. '
NORTHRN' MENDOC IN,O. . TEHAMA. . PLUMAS. .GLENN.. BUTT E. . COLUSA. ·
" ' " ..
SVTTER. . YUBA..S JERRA. . S TANI S LAUS . . CALAVERAS. . TUOLUMNE · .'
ALPINE. .MONO/.MONTEREY ·
.. <. - ~ .... . . .
,"
j .
. ' ,
HEAVY RAIN NOW OVER THE NORTHERN' HALF OF THE, STATE WILL :BE TAPERING ' ,
, OFF NEAR THE ,COAST AFTER MIDNIGHT AND EtSEWHERE BY DAYBREAK: SOME
BRIEFLY 'HEAVY 'RAIN WILL OCCUR IN SHQWERS NORTH ,OF, SAN FRANCISCO AND,
SACRAMENTO LATER WEDNES,DAY:MORNING BUT AMOUNTS ARE EXPECTED TO 'BE LESS
,THAN TONIGHTS . . WITH MANY STREAMS AND_ RIVERS ALREADY RUNNING,AT"I OR
~CVERFLOODSTAGE..~AND THETHE'GROUND TOTALLY SATURATED...iNT 1
ADDIT,IONAL RAlNFALLWILL' ONLY COMPOUND THE PRO:BLEM. ", '
, A, FLASH'FLOOD WARNI NG 'MEANS THAT FLASH FLOODING OR MUD SL'IDES A,ND' '
FLOWS ,ARE ,OCCURRING OR 'IMMINENT. PERSONS IN' THE WARNING AREAS ,SHOULD
, :BE PREPARED TO MOVE, HIGHER TO 'GROUND AT A MOMENTS NOTICE IF' HEAVY' RAIN '"
ORFLASHiFLOODING ISO:BSERVED OR IF A HILLSIDE IS NOTICEABLy}.EAKENING,
OR"ABOUT"TO ,G I VEWA Y.' , ·
. J ' '
i..
. I
A FLASH 'FLOOD WATCH MEANS THAT FLASH FLOODING IS POSSI:BLE WITHIN THE
WATCH AREA,. PERSONS, I N, THE WATCH AREA ARE' 4DV ISED' TO, KEEP INFORMED'
, AND BE READY FOR QUICK ACTI ON IF FLASH FLOODIN GIS O:BS ERVED OR A ',I
, OR A FLAS:H FLOOD WARNING'IIS ISSUED.' '
I
, ,il
.
PERICHT
DIRECTOR OESSACRAMENTO R~:B
/
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