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ORZ000-WAZ000-
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 12/23/07 1027Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678
LATEST DATA USED: G11 1000Z  CK
NOAA AMSU:  0615Z
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LOCATION...W WASHINGTON...W OREGON
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ATTN WFOS...MFR...SEW...PQR...
ATTN RFCS...NWRFC...
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EVENT...RAIN ASSOCD WITH FRONTAL BAND PUSHING TWD PACNW
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SATELLITE ANALYSIS AND TRENDS...LATEST MICROWAVE PASS FROM 0615Z
SHOWED RAIN ASSOCD WITH FRONTAL BAND REACHING AS FAR E AS 130W. GOES
IR IMAGERY SINCE THAT TIME INDICATES RAIN HAS ADVANCED TO VCNTY OF
WA COAST. RAIN RATES FOR THE BULK OF THE PRECIP AREA WERE LESS THAN
0.1"/HR. HOWEVER..THERE WERE SOME PIXELS IN THE 0.1-0.2"/HR RANGE W OF
WA AND OR..WITH HEAVIER RAINFALL RATES W OF VANCOUVER. MAX PW'S RANGED
UP TO 1.3-1.4" WITHIN PW PLUME ASSOCD WITH FRONTAL BAND. LATEST GOES WV
IMAGERY SHOWS VERTICALLY STACKED LOW NR 51.5N 141W MOVG NE..WITH UPPR
TROF EXTENDING SWWD TO 40N 153W TO 36N 157W. BASE OF UPPER TROF..AS
WELL AS FRONTAL BAND..IS BEING PROPELLED EWD AS STRONG JET EMANATING FM
WPAC HAS NOW REACHED E OF 160W. NE OF THERE..POLAR JET EXTENDS FM JUST
SW OF 40N 150W NEWD TO WRN CANADA. IT IS PSBL THAT THERE MAY BE SOME
COUPLING OF THE JET STREAKS..WHICH COULD ENHANCE RAINFALL AS THE FRONTAL
BAND PUSHES FURTHER EWD ON SUNDAY. EVEN IF COUPLING DOES NOT OCCUR..RT
ENTRANCE REGION OF POLAR JET PASSING OVER THE FRONTAL BAND COULD ITSELF
ENHANCE THE RAINFALL..RESULTING IN AT LEAST SOME MOD RAINFALL FOR THE
PACNW COAST ON SUNDAY.
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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 5037 12915 5013 12221 4273 12278 4297 12715
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