ZCZC NFDSPENES ALL
SPENES
IAZ000-
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 07/20/08 0024Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678
LATEST DATA USED: GOES-12 0015Z       CW
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LOCATION...IOWA...
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ATTN WFOS...DVN...ARX...DMX...
ATTN RFCS...NCRFC...
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EVENT...BRIEF PERIOD OF HVY RAINS APPROACHING AREAS WITH LOW FFG VALUES
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SATELLITE ANALYSIS AND TRENDS...RECENT TRENDS IN IR STLT IMAGERY
SHOWS COOLING CLOUD TOP TEMPS WITH LEADING EDGE OF TSTM CLUSTER MOVING
EWD ACROSS NORTHERN IA.  1-HR STLT ESTIMATES ENDING 2330Z INDICATED
RAINFALL RATES NEAR 0.6-0.7"..HOWEVER NEW OVERSHOOTING TOPS DEVELOPING
HAVING COLDER TOPS RATES ARE LIKELY TO HAVE INCREASE TO 1.0-1.2"/HR.
THIS COULD CREATE SOME FLOODING PROBLEMS AS 1-HR FFG VALUES ARE MUCH
LOWER ACROSS EASTERN AND N-EASTERN IA..SUCH AS 0.75-1.0" FOR FRANKLIN/
BUTLER/HARDIN/GRUNDY/TAMA AND EWD TO JACKSON/CLINTON COUNTIES.
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FURTHERMORE..ALONG THE SW EDGE OF TSTM CLUSTER BACKBUILDING/SLOWER
MOVING CELLS ARE SEEN DEVELOPING ACROSS NE NE/W IA INVOF DAKOTA COUNTY
IN NE..WOODBURY/IDA/SAC/DAKOTA COUNTIES IA.  ADDITIONAL RAINFALL AMOUNTS
OF 1.0-1.5" MAY BE POSSIBLE OVER THE NEXT 60-90 MINS AS CELLS WILL TEND
TO HANGUP.
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PLEASE SEE WEB ADDRESS BELOW IN ABOUT 10 MINS FOR STLT GRAPHIC.
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SEE NCEP HPC DISCUSSION AND QPF/S FOR FORECAST.
....NESDIS IS A MEMBER OF 12 PLANET....
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SSD/SAB WEB ADDRESS FOR PRECIP ESTIMATES:
HTTP://WWW.SSD.NOAA.GOV/PS/PCPN/
...ALL LOWER CASE EXCEPT /PS/PCPN/
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LAT...LON 4337 9317 4334 9134 4187 9144 4228 9441
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