ZCZC NFDSPENES ALL
SPENES
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 10/27/07 1445Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678
LATEST DATA USED: AMSU 0912Z  SSMI 0930-1001Z   ALS
GOES-12 THROUGH 1415Z
HYDROESTIMATOR THOUGH 1400Z

LOCATION...PUERTO RICO...
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ATTN WFOS...SJU...
ATTN RFCS...
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EVENT...HEAVY RAINFALL THREAT
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SATELLITE ANALYSIS AND TRENDS...THIS MORNING AMSU PASS SHOWS 2.05-2.12 PW
VALUES NEAR PUERTO RICO WHILE SSMI EVEN HIGHER WITH 2.10-2.40 VALUES. THIS
IS IN LINE WITH THE 06Z GFS FORECAST VALID AT 12Z.  THE LARGER PICTURE
SHOWS VALUES GREATER THAN 2.00 EXTENDING AS FAR EAST AS 60W.  THE BACK
EDGE OF THIS DEEPER MOISTURE IS MOVING APPROXIMATELY 5 DEGREES WEST PER
DAY SO THIS IMPLIES PUERTO RICO WILL BE UNDER THE THREAT OF HEAVY RAIN
FOR THE NEXT 2 DAYS IF CURRENT TRENDS PERSIST.  HOURLY MICROWAVE RAINFALL
RATES ARE AVERAGING .2-.3 JUST SOUTHEAST OF PUERTO RICO WITH RATES AS
HIGH AS 1.15 IN THE DEEP CONVECTION WELL SOUTH OF THE ISLAND. THESE
ARE AREAL AVERAGES SO RATES CAN BE HIGHER IN INDIVIDUAL LOCATIONS.
INFRARED LOOP DOES NOT SHOW A THREAT FROM DEEP CONVECTION AT THIS TIME BUT
VISIBLE IMAGERY CONTINUES TO SHOW WARM TOPPED CONVECTION BEING ADVECTED
INLAND INTO THE NORTHEAST MUNICIPALITIES OF PUERTO RICO AND EXTENDING
WESTWARD INLAND.  HYDROESTIMATOR INDICATES MAXIMUM 3 HOUR TOTALS OF 1-2
INCHES WITH THESE SHOWERS.
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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 1866 6727 1848 6555 1794 6559 1789 6740
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