ZCZC NFDSPENES ALL
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 08/06/07 0608Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678
LATEST DATA USED: GOES-12 0545Z  RUMINSKI
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LOCATION...PENNSYLVANIA...MARYLAND...VIRGINIA...WEST VIRGINIA...
LOCATION...OHIO...
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ATTN WFOS...CTP...LWX...PBZ...CLE...
ATTN RFCS...MARFC...OHRFC...
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EVENT...HEAVY RAINFALL WITH TRAINING CONVECTION OVER SOUTHWEST
PENNSYLVANIA
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SATELLITE ANALYSIS AND TRENDS...SUBTLE HEAVY RAIN EVENT FROM A SATELLITE
PERSPECTIVE TNGT WITH ONLY SPOTTY WARM TOPPED CNVTN INDICATED (CLD
TOP TEMPS ONLY BRIEFLY REACHING TO -50C). BUT SOUNDING INDICATES A LOW
EQUILIBRIUM LEVEL AND WARM RAIN PROCESSES DOMINATING FOR HIGH RAINFALL
EFFICIENCY.
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DECENT FORCING EVIDENT BY WAY OF ISENTROPIC LIFT WITH GOOD GRADIENT
SEEN ON 300 AND 305K SURFACES. FLOW IS FAIRLY WEAK ON THESE SURFACES
– MAINLY 20K MAX. PLENTY OF MOISTURE IN PLACE TO SUPPORT LOCALIZED
HEAVY RAIN WITH MAX PW/S ARND 1.75-1.90" (NRLY 200 PERCENT OF NORMAL)
AS PER LATEST RAOB AND GPS DERIVED VALUES.
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LATEST GOES IMAGERY (0545Z) SHOWS WEAKENING TREND WITH CLD TOP TEMPS
WARMING AND SHRINKING. BUT WITH BOUNDARY AND MOISTURE STILL IN PLACE AND
BROADER SCALE LIFT LOCALIZED HEAVY RAIN STILL PSBL THRU THE OVERNIGHT HRS.
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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 4125 7975 3967 7779 3904 7859 4080 8076
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