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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 11/02/07 1830Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678
LATEST DATA USED: G12  1815Z  CK
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LOCATION...MICHIGAN...SE/E WISCONSIN...N ILLINOIS...
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ATTN WFOS...DTX...APX...IWX...GRR...GRB...LOT...MKX...
ATTN RFCS...NCRFC...
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EVENT...DEVELOPING WAVE/BAROCLINIC LEAF OVER IL/S WI
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SATELLITE ANALYSIS AND TRENDS...SINCE JUST PRIORTO 17Z GOES IR AND
VIS IMAGERY ANIMATIONS HAVE BEEN SHOWING A RATHER RAPID DEVELOPMENT
OF WAVE/BAROCLINIC LEAF TYPE SIGNATURE FM N HALF OF IL TO S WI...NW
OF SFC BOUNDARY...WHICH IS INDICATIVE OF INCRG UPWARD MOTION. IMAGERY
AND GOES WIND ANALYSIS SUGGEST A COUPLE OF PRIMARY FACTORS TAKING SHAPE
HERE. ONE IS THE APPROACH OF UPPR SHORT WAVE TROF OVER THE PLAINS..MOVG
EWD. SECONDLY..GOES WV IMAGERY ANIMATION AND WIND ANALYSIS SHOWS STRONG
UPPR JET CORE/STREAK OVER THE LEAF..WITH WIND SPREADS IN EXCESS OF 150KTS
UP TO 175KTS. IMPRESSIVENESS OF THE SIGNATURE IS ALSO BORNE OUT BY INCRG
LIGHTNING DETECTION PLOTS SHOWING UP NR ERN EDGE OF LEAF.
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ATTM..TEMPS ARE ABOVE FREEZING OVER THE DISCUSSION AREA. BUT WITH COLDER
AIR FILTERING IN FM THE NW ACRS WI..AND WITH EVENTUAL CHANGEOVER TO
SNOW OVER OVER PARTS OF THE DISCUSSION AREA..STLT TRENDS SUGGEST THE
POSSIBILITY OF SOME MOD/HVY SNOW. WAVE MAY MOVE OUT IN TIME TO PRECLUDE
IT TO BE MUCH OF FACTOR IN IL..AND WI..BUT COULD BECOME MORE OF AN ISSUE
IN MI TONIGHT ONCE THE COLDER AIR FILTERS IN.
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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 4547 8628 4518 8184 4203 8445 4218 8873 4277 8973
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