ZCZC NFDSPENES ALL
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 12/25/07 0927Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678
LATEST DATA USED: G12  0900Z  CK
NOAA AMSU: 0714Z
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LOCATION...HAWAII...
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ATTN WFOS...HFO...
ATTN RFCS...AKRFC...
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EVENT...SHOWERS INCRG OVER ERN BIG ISLAND..ADDITIONAL SHOWERS FM OAHU
TO MAUI
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SATELLITE ANALYSIS AND TRENDS...SINCE 06Z..IR IMAGERY HAS SHOWN A STEADY
INCR IN WARM TOP SHOWERS INVOF ERN BIG ISLAND. CLOUD TOPS HAVE COOLED TO
-33C AND HAVE BEEN EXPANDING IN COVERAGE. FURTHER N..MORE SUBTLE AND EVEN
WARMER TOP SHOWERS HAVE BEEN MOVG WWD TWD/INVOF THE ISLANDS FM OAHU THRU
MAUI. THIS ACTIVITY IS ASSOCD WITH SWATH OF MID AND LL MOISTURE PER GOES
WV AND NOAA AMSU IMAGERY..AND IS ALSO ASSOCD WITH W-E UPPR TROF ALONG
20N WITH VORT INVOF BIG ISLAND.
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UPPR TROF/VORT..COMBINED WITH ERLY LL FLOW..CONTINUES TO DRAW CONSIDERABLE
LL AND MID LEVEL MOISTURE WWD. IN ADDITION TO THE SHOWERS ALREADY
INVOF BIG ISLAND AND MAUI..GOES IR IMAGERY SHOWS ANOTHER MASS OF BKN
SHOWERS ROUGHLY BTWN 19N AND 22N AND 150W AND 153W MOVG WWD AT 25 KTS.
THUS..SHOWERS WILL CONTINUE TO AFFECT THE AREA FM OAHU TO BIG ISLAND
OVERNIGHT..WITH MOD TO HVY INTENSITIES AT TIMES ESP OVER BIG ISLAND
WHERE CLOUD TOPS ARE COOLEST/MOST EXTENSIVE AND WHERE THE HIGHEST
PW'S ARE CENTERED. 0714Z AMSU PASS INDICATED PW'S AROUND 1.6" INVOF
BIG ISLAND. AS FOR RAIN RATES..HYDROESTIMATOR INDICATES 0.1-0.3"/HR
OVER BIG ISLAND. HOWEVER...WARM TOP NATURE MAKES FOR HIGH DEGREE OF
UNCERTAINTY/CONFIDENCE OF GOES RAINFALL ESTIMATES AT THIS TIME.
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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 2209 15355 1875 15346 1773 15720 2092 15754
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