ZCZC NFDSPENES ALL
SPENES
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 04/27/07 0510Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678
LATEST DATA USED: GOES-12 0415Z  RUMINSKI
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LOCATION...NEW YORK...NEW JERSEY...PENNSYLVANIA...DELAWARE...
LOCATION...MARYLAND...
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ATTN WFOS...OKX...PHI...BGM...CTP...LWX...
ATTN RFCS...NERFC...MARFC...
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EVENT...CONVECTIVE TRAINING SITUATION SETTING UP ACROSS SOUTHEAST
PENNSYLVANIA
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SATELLITE ANALYSIS AND TRENDS...CNVTN HAS INCRD MARKEDLY BTWN 0315-0415Z
AS DEPICTED IN GOES IMAGERY WITH CLD TOP TEMPS COOLING/EXPANDING AND
LIGHTNING DATA. LAST IMAGE PRIOR TO ECLIPSE AT 0415Z SHOWED CLD TOP TEMPS
REACHING TO -57C. CCNVTV LN IS ALIGNED CLOSE TO MEAN FLOW ACRS THE RGN
ALLOWING FOR REPEAT ACTIVITY. GOOD ISENTROPIC GRADIENT ON 295 THETA SFC
IS PROVIDING LIFT MECHANISM WITH SIGNIFICANT CROSS GRADIENT FLOW.
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WHILE CNVTN IS ELEVATED AS RGN IS WELL INTO COOL SECTOR AND SFC TD/S
ARE ONLY IN M40S OVER SE PA..LATEST GOES SOUNDER DERIVED PW/S SHOWING
SLUG OF HIGHER PW/S THAT WAS OVER ERN NC YDAY AFTN WAS BEING DRAWN N
AND ENTRAINING INTO INTO SYSTEM OVER FNTL BNDRY. MAIN CONCERN IS FOR
CHESTER..PHILADELPHIA..MONTGOMERY..DELAWARE AND BUCKS COUNTIES WHERE 3
HR FFG VALUES ARE 1.4-2.0".
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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 4113 7672 4092 7355 3959 7355 3967 7668
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