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Satellite Precipitation Estimates (TXUS20 KWBC)
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TXUS20 KNES 301205
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ZCZC NFDSPENES ALL
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ORZ000-WAZ000-
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 10/30/14 1205Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404
LATEST DATA USED: GOES-15 1141Z        WARREN
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LOCATION...OREGON...WASHINGTON...
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ATTN WFOS...PDT...MFR...SEW...PQR...
ATTN RFCS...NWRFC...
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EVENT...MODERATE TO HEAVY RAIN EVENT

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SATELLITE ANALYSIS AND TRENDS...STRONG AREA OF MID/UL LOW PRESSURE
CENTERED NEAR 46N 138W WITH ASSOCIATED SFC COLD FRONT EXTENDING FROM
50N 130W TO THE SSW NEAR 30N 143W PER LATEST AMSU 89GHZ DATA.  A WELL
DEFINED CLOUD BAND AHEAD AND PARALLEL TO THE FRONT IN WV/IR IS SEEN
TO BE GRADUALLY ENHANCING IN RESPONSE TO MID-LVL SHORTWAVE LIFTING
NNE ALONG FRONT ATTM NEAR 38N 131W.  AS TROF CONTINUES TO AMPLIFY/DIG
OVER THE NEXT SEVERAL HRS AS STRONG JET ENERGY SURGES ESE BEHIND FRONT
UL DIFFLUENCE WILL INCREASE ACROSS THE PAC NW RESULTING IN FURTHER
ENHANCEMENT OF RAINFALL RATES.  LATEST BLENDED TPW PRODUCT SHOWS 1.0-1.3"
PWS SURGING NNE TOWARD PAC NW WITH MOST RECENT PUSH NNE EVIDENT AHEAD OF
AFOREMENTIONED SHORTWAVE.
  12Z RAOB FROM UIL REVEALS A RATHER SATURATED
VERTICAL PROFILE FROM SFC-500 MB...SUGGESTING EFFICIENT RAIN RATES LIKELY
FROM EXPANDING BAND OF SHOWERS.
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AN ANNOTATED SATELLITE GRAPHIC SHOWING THE HEAVY PRECIPITATION

THREAT AREA SHOULD BE AVAILABLE ON THE INTERNET ADDRESS LISTED

BELOW IN APPROXIMATELY 10-15 MINUTES.

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SHORT TERM OUTLOOK VALID 1200-1800Z...MEDIUM-HIGH CONFIDENCE FACTOR

IN SHORT TERM OUTLOOK...LLVL FLOW SHOULD BEGIN TO BECOME MORE SSWRLY
OVER THE NEXT SEVERAL HRS AS THE SHORTWAVE ADVANCES NNE ALONG FRONTAL
BOUNDARY.  RECENT CLOUD TOP ENHANCEMENT ALONG WITH BROAD BAROCLINIC
LEAF CLOUD SIGNATURE DEVELOPING IN RESPONSE TO INCREASING DIFFLUENT
FLOW SHOULD AID IN EXPANDING RAIN SHOWERS AND ENHANCE RAIN RATES.
RAINFALL COULD BE HEAVY AT TIMES GIVEN THE ANOMALOUSLY HIGH MOISTURE
ASSOCIATED WITH THIS SYSTEM.  AS BAROCLINIC LEAF CONTINUES TO MATURE
THIS MORNING...STEADY MODERATE WITH EMBEDDED HEAVY RAINS SHOULD BEGIN
TO SPREAD ACROSS NW OR/WRN WA IN THE NEXT 2-3 HRS.  PERIODS OF MOD/HVY
RAINS SHOULD PERSIST OVER MUCH OF THE DAY BASED ON UPSTREAM ENERGY AND
ORIENTATION OF SSW TO NNE TROF/FRONTAL BOUNDARY/MOISTURE PLUME.
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....NESDIS IS A MEMBER OF NWSCHAT (NESDISSATELLITEPRECIP)....
....NESDIS IS A MEMBER OF 12 PLANET....
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FOR QUESTIONS AND COMMENTS CONCERNING THE SATELLITE
PRECIPITATION MESSAGES AND GRAPHICS PLEASE EMAIL
SSDPrecip@noaa.gov
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FOR PRECIP MESSAGES AND GRAPHICS ON THE WEB:
http://www.ospo.noaa.gov/Products/atmosphere/spe/
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FOR AUTOMATED SATELLITE PRECIPITATION ESTIMATES ON THE WEB:
http://www.star.nesdis.noaa.gov/smcd/emb/ff/CONUS.php
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LAT...LON 5018 12319 5000 12149 4775 12122 4549 11997 4326 12317
4283 12546 4489 12623 4824 12549
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