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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 09/30/07 1552Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678
LATEST DATA USED: GOES-11 1530Z  RUMINSKI
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LOCATION...CALIFORNIA...OREGON...WASHINGTON...
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ATTN WFOS...MFR...SEW...PQR...EKA...
ATTN RFCS...NWRFC...CNRFC...
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EVENT...RAINFALL WITH FRONTAL SYSTEM IMPACTING PACIFIC NORTHWEST
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SATELLITE ANALYSIS AND TRENDS...AMSU MICROWAVE PASS FROM THIS MRNG
(1038Z) DEPICTED DOUBLE BARRELED STRUCTURE TO HEAVIEST RAIN WITH ONE
BAND EXTENDING SW FROM NR KUIL AND ANOTHER BAND OF HEAVIER RAIN EXTENDING
SW FROM NR KAST WITH MAINLY LIGHT RAIN IN BTWN. MAX RAIN RATES DEPICTED
WERE .25-.35"/HR IN SMALL AREAS WITH A MORE BROKEN LINE OF .2"/HR FROM
NR 45N125W TO 40N130W. ANIMATION OF MICROWAVE AND GPS DERIVED PW SHOWS
CHANNEL OF MAX AMNTS MAINTAINING VALUES ARND 1.25". NO ADDITIONAL MOISTURE
BEING ENTRAINED INTO THE SYSTEM.
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WV LOOP SHOWS VORT AND ASCD TROF HAS TRANSITIONED FROM BEING BROAD SYSTEM
24 HRS AGO TO A MORE SHARP LOOKING TROF THIS MRNG WHICH HAS RESULTED IN
A SLOWING DOWN OF THE OVERALL SPEED OF THE SYSTEM. MOST RECENT IMAGERY
SUGGESTS A WEAK WAVE MAY BE FORMING IN THE BASE OF THE TROF NR 40N133W
AND LEFT EXIT RGN OF UPR JET. ANY DEVELOPMENT OF THIS WAVE WILL HAVE
AMPLE MOISTURE TO WORK WITH AND MAINTAIN/INCR RAIN RATES AROSS SW OR AND
NW CA COAST THROUGH THE MRNG AND AFTN WHILE NW OR AND WA TRANSITION TO
A MORE SHOWERY REGIME.
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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 4879 12211 4027 12326 4007 12553 4847 12656
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