Satellite Precipitation Estimates (TXUS20 KWBC)
Issued by NWS

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000
TXUS20 KNES 161509
SPENES
ZCZC NFDSPENES ALL
SPENES
MIZ000-WIZ000-MNZ000-SDZ000-
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 04/16/14 1508Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404
LATEST DATA USED: GOES-13 1445Z HANNA
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LOCATION...MICHIGAN...WISCONSIN...MINNESOTA...SOUTH DAKOTA...
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ATTN WFOS...MQT...GRB...DLH...MPX...FGF...FSD...ABR...
ATTN RFCS...NCRFC...MBRFC...
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EVENT...SATELLITE TRENDS FOR HEAVY SNOWFALL EVENT THIS MORNING THROUGH
THE AFTERNOON
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SATELLITE ANALYSIS AND TRENDS...LATEST WV IMAGERY SHOWS THAT COMPACT UPPER
TROF CONTINUES TO AMPLIFY THIS MORNING OVER THE NORTHERN PLAINS STATES.
IT DOES APPEAR AS THOUGH JET STREAK IS STARTING TO ROUND THE BASE OF THE
TROF AND OVER THE PAST FEW HOURS HAVE BEGUN TO NOTICE THAT CLOUD PATTERN
IS BEGINNING TO TRANSITION INTO CLASSIC COMMA SHAPED APPEARANCE WHICH
IS INDICATIVE OF CLOSING OFF MID LEVEL CENTER AND INCREASING DEFORMATION.
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12Z UA OBJECTIVE UA ANALYSIS AND LOCAL AREA SOUNDINGS SUGGEST STRONG WAA
OCCURRING  OVER PORTIONS OF CNTRL MN JUST DOWNSTREAM OF SHORTWAVE TROF.
THERMAL RIDGE AXIS IS FAVORABLY ORIENTED WITH CONFLUENT WIND FLOW
DOWNSTREAM OF SHORTWAVE TROF AND ALSO WITH DEVELOPING MID LEVEL CENTER
THAT SUGGESTS ENHANCED FRONTOGENESIS IS OCCURRING FROM NE ND THROUGH CNTRL
MN TOWARDS THE UP OF MI TO ENHANCE LARGE SCALE FORCING OVER THE REGION.
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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 1500-2100Z...MEDIUM CONFIDENCE FACTOR
IN SHORT TERM OUTLOOK...RAPIDLY COOLING CLOUD TOPS OVER THE LAST FEW HOURS
ON IR IMAGERY INDICATES THAT HEAVY SNOW SHOULD CONTINUE TO DEVELOP NE/ENE
THROUGHOUT THE MORNING AND INTO THE AFTERNOON THROUGH PORTIONS OF CNTRL
MN AND N WI AND THEN EVENTUALLY TOWARDS THE UP OF MI BY LATE IN THIS TIME
PERIOD AND BEYOND.  BEST DRYING ON WV IMAGERY ASSOCIATED WITH AMPLIFYING
SHORTWAVE TROF IS NOW COMING INTO W AND CNTRL NE.  DEVELOPING DRY SLOT
LOOKS LIKE IT SHOULD PUSH THROUGH S SECTIONS OF MN WHICH SHOULD ALLOW
FOR THE BEST COMBINATION OF WAA/FRONTOGENESIS AND POTENTIAL INSTABILITY
REDUCTION TO CONTINUE SHIFTING ENE THROUGHOUT THE DAY THROUGH MN AND INTO
N WI AND THE UP OF MI.  12Z LOCAL AREA SOUNDINGS WERE SHOWING SATURATED
PROFILES THROUGH FAVORED DENDRITIC GROWTH LAYER AND THIS WOULD TEND TO
FAVOR LOCALIZED SNOWFALL RATES OF 1.0-2.0"/HR IN FAVORED WSW/ENE ORIENTED
SNOWFALL BANDS.  SATELLITE SUGGESTS THAT AXIS OF BEST SNOWFALL SHOULD
LIKELY FALL ROUGHLY ALONG AN AXIS FROM VIC OF GHW EXTENDING ENE TO IWD.
THIS AXIS AGREES WELL WITH EARLIER SWOMCD ISSUED BY SPC.
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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 4713 8963 4607 8864 4554 9031 4456 9656 4564 9719
4696 9347
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