Satellite Precipitation Estimates (TXUS20 KWBC)
Issued by NWS

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000
TXUS20 KNES 200617
SPENES
ZCZC NFDSPENES ALL
SPENES
HIZ000-
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 10/20/14 0617Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404
LATEST DATA USED: GOES-15 0600Z      WARREN
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LOCATION...HAWAII...
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ATTN WFOS...HFO...
ATTN RFCS...APRFC...
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EVENT...UPDATE TO PREVIOUS SPENES REGARDING CONTINUED HEAVY RAINFALL
THREAT ASSOCIATED WITH HURRICANE ANA
.
SHORT TERM OUTLOOK VALID 0620-1020Z...HIGH CONFIDENCE FACTOR
IN SHORT TERM OUTLOOK...BIG PICTURE SHOWS LONGWAVE TROF ANCHORED ACROSS
THE ERN PACIFIC WITH A BLOCKING PATTERN UNDER THE RIDGE ACROSS THE
CENTRAL PACIFIC WITH HURRICANE ANA ONLY ABLE TO SLOWLY MEANDER OVER THE
PAST SEVERAL HRS.  THE PRESENCE OF ANA CONTINUES TO PROVIDE STRONG LLVL
INFLOW AND UL DIFFLUENCE ALOFT...PARTICULARLY ACROSS THE WESTERN AND
CENTRAL ISLANDS OF NIIHAU...KAUAI...OAHU.  A VERY PERSISTENT AND NEARLY
STATIONARY BAND OF CONVECTION LOCATED ALONG THE ERN SIDE OF THE CENTER
CIRCULATION OF ANA CONTINUES TO EXHIBIT CONVECTIVE PULSING WITH COLD TOP
CONVECTION ALONG THE WRN AND SRN SIDE OF OAHU.  ANTICIPATING ADDITIONAL
MODERATE TO HEAVY RAINS OVER THE NEXT SEVERAL HRS ON OAHU BASED ON WATER
VAPOR/IR IMAGERY SHOWING A SLIGHT EWD JOG WITH LITTLE TO NO INDICATION
OF THIS BAND WEAKENING IN THIS DIFFLUENTLY FAVORED REGIME.

ALSO WILL NEED TO KEEP A CLOSE EYE EXPANSIVE CLUSTER OF COLDER CLOUD
TOP CONVECTION CURRENTLY LOCATED TO THE W OF THE ISLANDS OF NIIHAU
AND KAUAI...WHICH HAS BEEN NOTED TO BE SLOWLY DRIFTING/EXPANDING EWD.
THIS MAY RESULT IN AN INCREASE IN RAINFALL OVER THE NEXT FEW HRS AND
WILL CONTINUED TO BE MONITORED.
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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 2272 16042 2208 15704 2045 15782 2128 16106
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