Satellite Precipitation Estimates (TXUS20 KWBC)
Issued by NWS

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TXUS20 KNES 201800
SPENES
ZCZC NFDSPENES ALL
SPENES
ORZ000-WAZ000-
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 10/20/14 1800Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404
LATEST DATA USED: GOES-15 1745Z KUSSELSON
DMSP SSMIS:1515Z 1333Z NOAA AMSU:1241Z 1302Z
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LOCATION...NW OREGON...W WASHINGTON...
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ATTN WFOS...SEW...PQR...
ATTN RFCS...NWRFC...
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EVENT...HVYER SHOWERS OFFSHORE NEAR 46N/130W...AND THEN ANALYSIS OF
NEXT SYSTEM...
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SATELLITE ANALYSIS AND TRENDS...TWO DIFFERENT MICROWAVE SATELLITES
SHOWED AN ISOLATED MAX 15 MILE AREAL AVERAGE INSTANTANEOUS RAIN RATE
ABOVE  0.25"/HR NEAR 44.5N/132W...THE AMSU  AT 1302Z HAD 0.65"/HR WHILE
THE SSMIS HAD A SMALLER 0.32"/HR.   SOME ENHANCEMENT ON GOES IT THAT
HAS NOW CROSSED 130W AND WILL CONTINUE TO SHIFT EAST WITH TROUGH WITH
SOME ENHANCEMENT IN DEFORMATION FROM BETTER LOOKING RECENTLY UPPER LEVEL
LOW/TROUGH NEAR 41N/129W.
NEXT SYSTEM TAKING SHAPE OUT TO THE WEST BETWEEN 140 AND 150W.
WELL  OCCLUDED WITH JET CROSSING THE FRONT AT 46.3N/144W.  1515Z SSMIS
PASS HAD A NARROW 1 DEG MODERATE TO LIGHT RAIN AREA MOSTLY NORTH OF THE
OCCLUSION WITH MAX RATES JUST BELOW 0.20"/HR.   WHILE THE 1241Z AMSU PASS
HAD A SLIGHTLY LARGER AREAL EXTENT OF LIGHT TO MODERATE RAIN WITH MAX RATE
NEAR 0.25"/HR  NEAR 46.5N/149W AND BEST RAINS FROM THE OCCLUSION NORTH.
FASTEST  MOVEMENT OF FRONT BASED ON GOES IR AND MICROWAVE PASSES WAS
BETWEEN 47 AND 48N.  MOVEMENT OF CENTER OF FRONTAL RAIN BAND FROM 00Z
TO 1230Z WAS FROM 161W TO 147W AND IF THIS WERE TO EXTRAPOLATE STRAIGHT
EAST, IT WOULD BE NEAR OR JUST INSIDE 140W AT AROUND 00Z.
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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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SHORT TERM OUTLOOK:  NONE PROVIDED AT THIS TIME
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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 5030 13941 4960 12247 4591 12238 4437 12583 4371 13225

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