ZCZC NFDSPENES ALL
SPENES
ILZ000-MOZ000-
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 03/04/08 1421Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678
LATEST DATA USED: GOES-EAST 1345Z   CW
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LOCATION...ILLINOIS...MISSOURI...
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ATTN WFOS...PAH...LOT...ILX...LSX...
ATTN RFCS...OHRFC...LMRFC...NCRFC...MBRFC...
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EVENT...HVY SNOW ASSOCIATED WITH DEFORMATION ZONE
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SATELLITE ANALYSIS AND TRENDS...RECENT GOES IR IMAGERY INDICATES
EXPANSION OF COLDER CLOUD-TOP TEMPS ALONG AXIS OF WELL-DEFINED
DEFORMATION ZONE..STRETCHING FROM CENTRAL AR NE THRU E MO/SE IL AND INTO
IN..PARTICULARY ALONG THE NE EXTENT OF THIS ZONE.  ANALYSIS OF 12Z 850MB
THETA-E ADVECTION SHOWS STRONGEST AREA INFOV S IN/SE IL/W KY.  A STRONG
110KT JET MAX IS CURRENTLY POSITIONED OVER THE EASTERN GREAT LAKES WITH
RIGHT ENTRANCE REGION OF THIS JET OVER INDIANA..SUGGESTING BEST UVV/S
IN THIS AREA.  HVY SNOW HAS ALREADY BEEN FALLING FOR SEVERAL HOURS OVER
PARTS OF AR AND SE MO..TRENDS FOR THE NEXT SEVERAL HOURS SHIFT THE HVY
SNOW AXIS NE OVER E MO/IL/NW IN.
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GOES DERIVED PW VALUES RANGE BETWEEN 0.6"-1.0" INDICATES AMPLE MOISTURE
PRESENT AND 10-20KT NNW SFC WINDS PER GOES STLT WINDS PROVIDING BELOW
FREEZING TEMPERATURES.  BECAUSE OF THIS EXPECTING PRECIPITATION TYPE
TO BE MOSTLY IN THE FORM OF SNOW WITH SOME MIXING OCCURRING ALONG THE
SE PERIPHERY OF THE DISCUSSION AREA.  SNOWFALL RATES MAY REACH UP TO
1-2"/HR WITH LOCALLY HIGHER AMOUNTS IN LOCATIONS THAT MAY EXPERIENCE
THUNDER-SNOW FOR A BRIEF PERIOD OF TIME.
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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 4070 8765 3899 8771 3703 8992 3872 9180 3954 9013
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