Satellite Precipitation Estimates (TXUS20 KWBC)
Issued by NWS

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000
TXUS20 KNES 210037
SPENES
ZCZC NFDSPENES ALL
SPENES
IAZ000-
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 04/21/14 0037Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404
LATEST DATA USED: GOES-13 0015Z KUSSELSON
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LOCATION...IOWA...
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ATTN WFOS...ARX...DMX...FSD...OAX...
ATTN RFCS...NCRFC...MBRFC...
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EVENT...CONVECTION...SLOW MOVEMENT AND POSSIBLY TRAINING FOR LOCALLY
HVY RAIN...
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SATELLITE ANALYSIS AND TRENDS...TWO FOCUS AREAS...WEST TO EAST BAND OF
CONVECTIVE TRAINING WITH BEST MOISTURE AND INSTABILITY ON WEST END...SO
MORE CONCERNED WITH REDEVELOPMENT NW AND N CENTRAL IA RATHER THAN TRAINING
EXTENDING INTO SW WISCONSIN.
AND THEN THERE IS ACTIVITY IN SW IA TO NEAR NEBRASKA BORDER  WITH A
COUPLE OF VORT LOBES LIFTING NORTHEAST FROM MISSOURI AND KANSAS AND
LATCHING ON TO BEST SURFACE MOISTURE CONVERGENCE CENTERED CENTRAL IOWA.
SW TO W CENTRAL IA CONVECTION COULD CONTINUE TO SPREAD NORTHEAST AND FEED
INTO NORTHERN AREA FOR ADDITIONAL TRAINING.  DEFORMATION ZONE EASTERN
NEBRASKA HEADING INTO IOWA...UPPER LEVEL LOW S CENTRAL CANADA AND TROUGH
EXTENDING SOUTH ACROSS THE WESTERN DAKOTA SHOULD GIVE WHOLE SYSTEM A
NUDGE EAST LATER THIS EVENING/TONIGHT...BUT BEFORE THAT THERE COULD BE
ENOUGH BACK BUILDING AND TRAINING ACTIVITY, ESPECIALLY ACROSS N IOWA
FOR THE ISOLATED HVY RATES TO MOUNT UP ABOVE AN INCH FOR A 3HR PERIOD.
MOISTURE PLUME WELL DEVELOPED SOUTH AND CONTINUING TO NOSE INTO AREA
OF CONCERNS AND WITH LOW LEVEL WINDS PARALLEL THE BEST MOISTURE FROM
TEXAS TO IOWA...THERE IS A READY SUPPLY OF MOISTURE TO REPLACE WHAT HAS
FALLEN AS HEAVY IN BOTH THAT NARROW HVY RAIN AREA ACROSS N IOWA AND LESS
ORGANIZED WESTERN IOWA.
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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 VALID 0030-0400Z...MEDIUM CONFIDENCE FACTOR
IN SHORT TERM OUTLOOK...FF GUIDANCE RATHER HIGH...SO WE ARE TALKING
ABOUT NARROW AREAS OF POSSIBLE ISOLATED HVY RAINS AS SHORT WAVES AND
MOISTURE CONVERGING WITH INSTABILITY AND MOISTURE TRANSPORT ALONG A
MOISTURE CONVERGENCE AREA FOR POSSIBLE TRAINING ACTIVITY NORTHERN IA AND
SPOTTY HVY RAIN WESTERN IA THAT COULD FEED INTO NORTHERN IOWA ACTIVITY.
TROUGH OVER THE WESTERN DAKOTA GETTING CLOSE TO NUDGING WHOLE SYSTEM
EAST...BUT PROBABLY NOT BEFORE 04Z.
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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 4340 9192 4310 9192 4270 9406 4101 9560 4306 9566

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