ZCZC NFDSPENES ALL
SPENES
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 04/27/07 1830Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678
LATEST DATA USED: G12  1815Z  CK
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LOCATION...MASSACHUSETTS...RHODE ISLAND...CONNECTICUT...NEW YORK...
LOCATION...NEW JERSEY...
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ATTN WFOS...BOX...OKX...PHI
ATTN RFCS...NERFC...MARFC...
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EVENT...WARM TOP MOD/HVY RAIN OVER CT/LI AND NJ MOVG NE
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SATELLITE ANALYSIS AND TRENDS...WHILE LEADING PATCH OF WARM TOP MOD/HVY
RAIN MOVES NEWD ACRS CT/E LI TWD RI/MA ANOTHER AREA OF WARM TOP MOD/HVY
RAIN IS INCRG WHILE MOVG NEWD ACRS SRN AND CENTRAL NJ. THIS SECOND AREA
IS LIKELY TO SPREAD OVER LONG ISLAND AND PARTS OF NYC OVER THE NEXT
COUPLE OF HRS..FOLLOWED BY CT/RI AND SE MA LATER THIS AFTN/EVE.
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GOES WV IMAGERY CLEARLY SHOWS UPPR LVL IMPULSE NR CENTRAL NC MOVG
NEWD..WHICH HAS BEEN ENHANCING AREA OF MOD/HVY CNVTN WHICH CURRENTLY
EXTENDS FM NC THRU NJ. IT IS THE NRN EXTENT OF THIS AREA..MENTIONED IN 1ST
PARA..WHICH IS EXPECTED TO BRING ANOTHER ROUND OF MOD/HVY RAIN TO NYC/LI/S
NEW ENGLAND. AND WOULD EXPECT THE INFLUENCE OF THE NC IMPULSE TO RESULT
IN FURTHER INCR IN RAINFALL INTENSITY. EARLIER POLAR MICROWAVE PASSES
INDICATED PW VALUES RANGING UP TO 1.3" OR MORE ALONG NJ/LI COAST..WITH
BLENDED PW PRODUCT FM CIRA INDICATING PW VALUES AROUND 200 PER CENT OF
NORMAL. THIS IN CONJUNCTION WITH GOES STLT TRENDS SUGGEST THAT RAINFALL
OF 0.5-1" CAN OCCUR IN LESS THAN AN HR WITH THE AREA THAT IS MOVG NEWD
OVER NJ ATTM.
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SEE WEB ADDRESS BELOW FOR CORRESPONDING GRAPHIC IN APPX 5 MINUTES.
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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 4219 7020 3932 7132 3990 7466 4063 7394 4177 7329 4184
7138
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