ZCZC NFDSPENES ALL
SPENES
PRZ000-
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 07/21/08 1836Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678
LATEST DATA USED: GOES-12: 1815Z			DS
QUIKSCAT: 1044Z AMSU: 1425Z
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LOCATION...PUERTO RICO...
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ATTN WFOS...SJU...
ATTN RFCS...
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EVENT...
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SATELLITE ANALYSIS AND TRENDS...WV SHOWS A WAVE OF MID/HIGH LVL  MOISTURE
APPROACHING THE ISLAND FROM THE E WITH A SLIGHT DEEPENING OF THE MOISTURE
NOTICED IN LAST 1-2 HRS OF IMAGERY OVER THE ISLANDS JUST E OF PR. AMSU
PW'S TELL A DIFFERENT STORY HOWEVER WITH THE BULK OF THE LOW LVL MOISTURE
BEING OUT AHEAD OF THE HIGHER MOISTURE SEEN IN WV AND A THIN PLUME OF
LOWER LVL MOISTURE TRAILING BACK TO THE NE OVER PR. THESE VALUES WERE NEAR
1.75" AND COMPARATIVE TO 12Z JSJ SOUNDING PW'S. 18Z OBJECTIVE ANALYSIS
SHOWED AN AREA OF STRONG SFC MOISTURE CNVG OVER THE ISLAND WITH CNVG
SFC WINDS BETWEEN JSJ AND JPS. 1745Z IR IMAGE SHOWED RAPID EXPANSION OF
FAIRLY WARM CLOUD TOPS OVER THE N CENTRAL/NW PARTS OF THE ISLAND WITH
CLOUD TOPS COOLING TO -52C..STILL 6C BELOW THE 12Z SOUNDING EL. 1815Z
IMAGE HAS SHOWN CONTINUED EXPANSION AND ONE SMALL PIXEL THAT HAS COOLED
TO -59C OVER LARES/SAN SEBASTIAN MUNICIPALITIES. MANUEL STLT ESTIMATES
INDICATE RAINRATES OF UP TO 0.7"/30 MIN ARE OCCURRING AND MAY BE SLIGHTLY
HIGHER IF AN OVERSHOOTING TOP IS PRESENT OR BECOMES PRESENT. MOSTLY ERLY
FLOW PER MORNING QUIKSCAT PASS AND STLT WINDS INDICATE STORMS SHOULD
SLOWLY MOVE WWD OFF THE WRN TIP OF THE ISLAND THROUGH THE AFTRN. 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 1865 6761 1857 6567 1777 6577 1785 6739
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