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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 08/15/07 0259Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678
LATEST DATA USED: GOES-12 0245Z  KUSSELSON
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LOCATION...W NEBRASKA...SW SOUTH DAKOTA...
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ATTN WFOS...LBF...UNR...CYS...
ATTN RFCS...MBRFC...
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EVENT...COLD TOP CONVECTION WITH SEVERE/HAIL ELEMENTS...
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SATELLITE ANALYSIS AND TRENDS...PW MOISTURE HIGHER WITH CONVECTION OVER
W NEBRASKA AS PER GOES SOUNDER LOOP AND RADIOSONDE THIS EVENING...BUT
STILL SOME CHARACTERISTICS OF WARM CLOUD TOPS WITHIN THE COLDER TOPS FOR
SOME HAIL THAT COULD BE KEEPING RAINFALL FROM REACHING MAXIMUM POTENTIAL.
STILL IMPRESSIVE -77C OVERSHOOTING TOP CENTERED IN ARTHUR COUNTY THAT
COULD BE PRODUCING 1-2 INCHES PER HR AND ADDITIONAL COOLING TOPS COMING
IN FROM THE SW FOR ADDITIONAL TRAINING NEXT 1-2HRS.   WILL KEEP AN EYE
ON THIS FOR ANY FURTHER FF THREATS.
TO THE NORTH IN SW SOUTH DAKOTA...LITTLE MORE WARM TOPS WITHIN COLD
TOPS SUGGESTING SEVERE SATELLITE SIGNATURE WITH HAIL BUT ALSO MERGER
THAT PRODUCED RAPID COOLING CENTERED ON SHANNON COUNTY.  HERE THERE
IS MORE OF A PW GRADIENT SIGNATURE WHERE HVYST RAIN INTERMINGLING WITH
HAIL...BUT CAN ALSO PRODUCE 1-1.5” PER HR ES[ECIALLY IN SHANNON COUNTY.
AREA CLOSER TO JET JUST TO THE NORTH AND INSTABILITY A BIT HIGHER
THAN AREA TO THE SOUTH...SO FF CONCERN WILL CONTINUE ANOTHER 1-2HRS
WITH CONVECTION HANGING AROUND SHANNON AND POSSIBLY SPILLING SW
JACKSON...BENNETT COUNTY OF SD AND N SHERIDAN COUNTY OF NEBRASKA.
WILL CONTINUE TO MONITOR...
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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 4391 10200 4293 10158 4265 10305 4376 10374
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