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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 01/14/08 1836Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678
LATEST DATA USED: GOES-11:1800Z DS
NOAA AMSU: 1430Z/1611Z
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LOCATION...W OREGON...W WASHINGTON...
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ATTN WFOS...OTX...PDT...MFR...SEW...PQR...
ATTN RFCS...NWRFC...CNRFC...
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EVENT...SHORT PRECIP EVENT FOR NW AS COLD FRNT PUSHES ASHORE
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SATELLITE ANALYSIS AND TRENDS...WV IMAGERY SHOWS UPPER LVL TROF OFF THE
W COAST WITH LARGE UPPER LOW IN BASE OF TROF AT 31N/146W AND NEARLY CUT
OFF FROM PAC WRLY FLOW. SATL WINDS SHOW 160 KT JET FROM SW/NE COMING
INTO BRITISH COLUMBIA JUST NE OF/ACROSS VANCOUVER ISLAND. MODELS ARE
FORECASTING AN INITIAL MOVEMENT OF MOD COASTAL RAINS/MTN SNOW ASSCD WITH
COLD FRNT ACROSS THE PAC NW ONLY LASTING ABOUT 6-12 HRS. POLAR IMAGERY
AGREES WITH THIS AS LATEST AMSU PASSES SHOW MAJORITY OF LOW LVL MOISTURE
IS TRAPPED IN BASE OF TROF WITH UPPER LOW WHERE PW'S ARE AS HIGH AS
1.3". FARTHER N ALONG THE FRNT PW VALUES ONLY REACH 0.9-BARELY 1" AND
OFFSHORE AREAL AVG RAIN RATES ARE SHOWN TO BE 0.05"/HR. VIS/IR IMAGERY
SHOWS A LOT OF COLD TOP CU WELL SW OF OR..MUCH OF WHICH PROB WILL NOT
REACH THE COAST.  FARTHER N THICKER STRATUS IS SEEN ALONG THE FRNT WITH
A FEW TOPS THAT HAVE PUSHED ABOVE THE CLOUD DECK. UPPER LOW IS EXPECTED
TO CUT OFF AND REMAIN IN THE AREA NW OF HAWAII FOR A FEW DAYS BEFORE
WEAKENING. THIS TREND CAN ALREADY BE SEEN PER SATL IMAGERY. EXPECT MOD
RAIN/SNOW FROM THIS SHORT TERM EVENT THAT WILL AFFECT THE PAC NW. 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 5028 12578 4968 12020 4268 12103 4331 12616
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