Satellite Precipitation Estimates (TXUS20 KWBC)
Issued by NWS

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000
TXUS20 KNES 282058
SPENES
ZCZC NFDSPENES ALL
SPENES
ORZ000-WAZ000-
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 08/28/15 2057Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404
LATEST DATA USED: GOES-15: 2030ZDS
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LOCATION...W OREGON...W WASHINGTON...
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ATTN WFOS...SEW...PQR...
ATTN RFCS...NWRFC...
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ALTHOUGH THE OFFICIAL PERIOD FOR SPENES RETIREMENT APPEALS HAS ENDED,
NESDIS WILL CONTINUE TO ACCEPT ADDITIONAL APPEALS THROUGH EMAILS TO
JOHN.SIMKO@NOAA.GOV
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EVENT...SATL TRENDS FOR UPCOMING PAC NW RAINFALL EVENT
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SATELLITE ANALYSIS AND TRENDS...UPPER LVL LOW EMBEDDED WITHIN AN EWD
SHIFTING TROF AXIS OFF THE W COAST IS BEGINNING TO SHOW SOME ENHANCEMENT
OF MID-UPPER LVL CLOUDS AS A BAROCLINIC LEAF STARTS TAKING SHAPE NR
43N/134W. AN UPPER LVL TROF TO THE N OVER THE GULF OF ALASKA IS BEING
PRESSING SWD WHICH COMBINED WITH A STRONG JET STREAK ANALYZED BY GOES SATL
WINDS ROTATING NWD AROUND THE E SIDE OF THE TROF IS HELPING TO QUICKLY
TURN THE W COAST TROF AXIS FROM POSITIVE TWDS A NEGATIVE TILT. LOW LVL
MOISTURE PLUME SHOWN BY BLENDED TPW IMAGERY EXTENDS FROM THE PAC NW
SWWD TWDS WRN HI AND CONNECTS TO A POOL OF VERY DEEP TROPICAL MOISTURE
ASSCD WITH T.S. KILO. GREATER THAN 1.5" PW VALUES ARE SEEN WITHIN THIS
ATMOSPHERIC RIVER OFF THE W COAST. IN ADDITION...DEEP MOISTURE ASSCD WITH
HURRICANE IGNACIO TO THE ESE OF HI IS BEGINNING TO BE DRAWN NWD BY THE
DIGGING UPPER LVL TROF AND SOME OF THIS TROPICAL MOISTURE IS LIKELY TO
BE ENTRAINED BY THE PRIMARY PW PLUME EVENTUALLY. 1633Z SSMIS PASS HAD
INDICATED AREAL AVG INSTANTANEOUS RATES OF UP TO 0.5"/HR WITH EARLIER
ENHANCING MID/UPPER LVL CLOUDS OFFSHORE IN THE OLD BAROCLINIC LEAF. 6
HR CPC QMORPH ESTIMATES THROUGH 17Z WERE INDICATING OFFSHORE TOTALS OF
1-1.5" GNRLY WITH ISOLATED 2" ESTIMATES. RAINFALL ASSCD WITH THIS SYSTEM
WILL CONTINUE TO MOVE TWDS THE PAC NW THIS EVENING. ADDTL UPDATES WILL
FOLLOW AS NEW INFORMATION BECOMES AVAILABLE.
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AN ANNOTATED SATELLITE GRAPHIC SHOWING THE HEAVY PRECIPITATION
THREAT AREA SHOULD BE AVAILABLE ON THE INTERNET ADDRESS LISTED
BELOW IN APPROXIMATELY 10-15 MINUTES.
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....NESDIS IS A MEMBER OF NWSCHAT (NESDISSATELLITEPRECIP)....
....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.ospo.noaa.gov/Products/atmosphere/spe/
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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 4932 12094 4702 12196 4452 12415 4835 12516 4930 12336

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