FXUS63 KMKX 090250
AFDMKX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
850 PM CST TUE DEC 8 2009
.UPDATE...
BEST PRESSURE FALLS (7MB/3HR) NOW IN A NNW TO SSE BAND ENTERING
INDIANA. 9 MB FALL/3 HOUR NEAR WESTERN OKLAHOMA. NEW NAM HAS
SURFACE LOW NEAR KENOSHA AT 12Z/6AM CST. BESET PRECIP WILL OCCUR
EARLY TONIGHT IN THE FAR SOUTHEAST...BUT LITTLE IN WAY OF RAIN
MIX...SO SNOW AMOUNTS NEAR THE LAKE SOUTH OF MILWAUKEE MAY REACH
NEAR 5 INCHES BEFORE DRY SLOT PUSHING NORTHEAST INTO
ILLINOIS...AFFECTS FAR SOUTHEAST WISCONSIN AFTER MIDNIGHT.
ALL IN ALL FORECAST SHOULD WORKING OUT WELL...WITH BEST SNOW
EXPECTED TO CONTINUE ALONG DEFORMATION ZONE FROM SOUTHWEST OF
MADISON TO NEAR SHEBOYGAN. EXPECT WINDS TO PICK UP MORE OVERNIGHT
IN THIS AREA AND NORTHWEST...THEREFORE BLIZZARD WARNING APPEARS
APPROPRIATE IN THIS AREA.
&&
HENTZ
.PREV DISCUSSION... /ISSUED 223 PM CST TUE DEC 8 2009/
AVIATION...VERY STRONG LOW PRESSURE SYSTEM TO AFFECT SOUTHERN WI
TONIGHT INTO WEDNESDAY NIGHT. MODELS ALL BRING 987 MILLIBAR LOW FROM
WC IL AT MIDNIGHT TONIGHT AND DEEPEN THE LOW TO 972 MILLIBARS IN
CENTRAL LOWER MI BY 18Z WEDNESDAY. THIS TRACK WILL LIKELY WRAP
ENOUGH WARM AIR WESTWARD INTO THE SYSTEM TO BRING A WINDOW OF MIXED
BAG OF PRECIP TO THE KMKE AND KENW TAFS TONIGHT...BUT EXPECT KUES
AND KMSN TO REMAIN ALL SNOW. DUE TO THE IMPRESSIVE DYNAMICS AND
ELEVATED INSTABILITY...THUNDER NOT OUT OF THE QUESTION TONIGHT.
EXPECTING WIDESPREAD LIFR CEILINGS AND VLIFR VISIBILITES FOR MUCH OF
SOUTHERN WI TONIGHT INTO AT LEAST WEDNESDAY MORNING. WINDS WILL BE
STRONG FROM THE EAST TONIGHT WITH IMPRESSIVE GRADIENT AHEAD OF THE
LOW AND THEN RAMP UP AND BE VERY STRONG FROM THE WEST/NORTHWEST BY
MID MORNING ON THE BACK SIDE OF THE LOW. SNOW AND BLOWING SNOW WILL
BE A MAJOR IMPACT RIGHT INTO WEDNESDAY EVENING.
MARINE...GALE WARNING IN EFFECT TONIGHT THROUGH WEDNESDAY NIGHT.
INTENSIFYING LOW PRESSURE OVER THE SOUTHERN PLAINS WILL REACH
SOUTHERN LAKE MI BY 12Z WED AND CONTINUE NEWD TO QUEBEC CANADA BY
12Z THU. THE LOW WILL BE UNSEASONABLY STRONG WITH ELY GALES TNT
FOLLOWED BY WNWLY GALES WED AND WED NT. VERY HIGH WAVES ARE FCST.
&&
.MKX WATCHES/WARNINGS/ADVISORIES...
WI...BLIZZARD WARNING UNTIL MIDNIGHT CST WEDNESDAY NIGHT FOR WIZ046-
047-051-052-056>059-062>064-067>069.
WINTER STORM WARNING UNTIL MIDNIGHT CST WEDNESDAY NIGHT FOR
WIZ060-065-066-070>072.
LM...GALE WARNING UNTIL 6 AM CST THURSDAY FOR LMZ643>646.
&&
$$
SHORT/LONG TERM...DAVIS
AVIATION/MARINE...COLLAR