ZCZC NFDSPENES ALL
SPENES
CAZ000-ORZ000-WAZ000-
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 12/20/12 0742Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404
LATEST DATA USED: GOES-15 0700Z  RUMINSKI
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LOCATION...CALIFORNIA...OREGON...WASHINGTON...
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ATTN WFOS...MFR...STO...SEW...PQR...EKA...
ATTN RFCS...NWRFC...CNRFC...
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EVENT...LARGE STORM WITH HEAVY PRECIP INTO PARTS OF WESTERN OREGON
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SATELLITE ANALYSIS AND TRENDS...VERY DEEP STORM NR 52N140W HAS MOVED
LITTLE PAST 12 HRS OR SO. MODERATE MOISTURE PLUME INTO OR AHS ALSO NOT
SHIFTED DOWN THE COAST VERY MUCH DRG THIS PD ALLOWING FOR EXTENDED PD OF
MOD/HVY PRECIP INTO NW OR. IR ANIMATION AND BLENDED TPW PRODUCT SHOWING
BACKING FLOW PAST SEVERAL HRS AS AXIS OF PW PLUME HAS TAKEN ON A BIT
MORE OF A N/S ORIENTATION. RECENT LIGHTNING PLOT SHOWS NUMEROUS STRIKES
OFFSHORE FROM COOS COUNTY WHERE CLD TOPS HAVE BEEN COOLING/EXPANDING
PAST CPL OF HRS. RECENT MICROWAVE AREAL AVERAGED RAIN RATES INDICATING
HRLY RATES OF .3" TO .4" IN THIS PLUME.
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BEST MOISTURE TRANSPORT FROM THIS PLUME IS WITH SW FLOW INTO
LINCOLN..TILLAMOOK..WASHINGTON..POLK AND YAMHILL. OROGRAPHICS ENHANCING
THIS TO MAXIMIZE PRECIP RATES ON SW FACING SLOPES WHERE .5" TO .7"/HR
MAX RATES PSBL.
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SHORT TERM OUTLOOK VALID 0800-1400Z...HIGH CONFIDENCE FACTOR IN SHORT
TERM OUTLOOK...EARLY IN OUTLOOK PD EXPECT TILLAMOOK..WASHINGTON..YAMHILL
AND VCNTY TO CONT TO GET SLAMMED FROM SLOW MVG MOISTURE PLUME (MAX VALUES
NR .9" AS PER BLENDED TPW PRODUCT).  EXPECT GRADUAL TRANSITION DOWN THE
COAST TO NEAR THE CA/OR BORDER BY THE END OF THE PD. LOWER PRECIP RATES
EXPECTED THIS AREA DUE TO LESSER OROGRAPHIC ENHANCEMENT.
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....NESDIS IS A MEMBER OF 12 PLANET....
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FOR QUESTIONS AND COMMENTS CONCERNING THE SATELLITE
PRECIPITATION MESSAGES AND GRAPHICS PLEASE EMAIL
SSDPrecip@noaa.gov
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FOR PRECIP MESSAGES AND GRAPHICS ON THE WEB:
http://www.ssd.noaa.gov/PS/PCPN/
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FOR AUTOMATED SATELLITE PRECIPITATION ESTIMATES ON THE WEB:
http://www.star.nesdis.noaa.gov/smcd/emb/ff/CONUS.php
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LAT...LON 4669 12215 3945 12261 3934 12533 4668 12574
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