WINTER WEATHER OUTLOOK
ALAC WEATHER SERVICE MADISON/MIDDLETON WI
547 AM CST WED NOVEMBER 24 2010
...MAIN DISUCSSION FOCUS IS ON PRECIPITATION POTENTIAL THROUGH THANKSGIVING DAY...
.SHORT TERM...
TODAY-
STRONG LOW PRESSURE SYSTEM WILL TWO LOW PRESSURE CENTERS WILL LOCATE BETWEEN MN AND MO TODAY. Q-VECTOR CONVERGENCE AND 925MB-700MB WARM AIR ADVECTION WILL AFFECT THE CWA TODAY. THIS WARM AIR ALOFT WILL EVENTUALLY CHANGE ANY MIXED PRECIP TO ALL -RN BY 22Z TODAY. 925 MB TEMPS ARE AT +2C SO EXPECTING TEMPERATURES TO BE RIGHT AROUND FREEZING FOR A GOOD PORTION OF THE DAY.
TONIGHT-
PRECIPITATION WILL GRADUALLY END AS CLDFNT MOVES THRU THE REGION. CAA BEHIND FRONT WILL FILTER IN BY 06Z. COULD SEE SOME -FRZG RN MIX IN AFTER 07Z TNGT. WILL HAVE LATE SHIFT MONITOR THIS. FOR NOW WILL ISSUES A SPECIAL WEATHER STATEMENT FOR HOLIDAY TRAVEL. NOT EXPECTING MUCH/ANY ICE ACCUMULATIONS ACROSS THE ENTIRE CWA. SE WI WILL HAVE TEMPS ABOVE FRZG SO NOT EXPECTING ANY -FRZG RN THERE.
.LONG TERM...
FRIDAY THROUGH SUNDAY-
LOW PRESSURE WILL SHIFT EAST OF THE REGION. HWVR...850 MB WIND FIELDS ARE SHOWING 50 KNOT WINDS...WITH A FEW SPOTS OF 40 KNOTS ON THE 925 MB WIND FIELD. ADDED BREEZY/WINDY WORDING TO THE GRIDS FOR FRIDAY. OTHERWISE GFS/ECMWF HINT AT SOME LIGHT FLURRIES IN THE NRN CWA SATURDAY.
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SHORT TERM...LACEY/02
LONG TERM....LENTERS/05
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DISCLAIMER:
THIS IS NOT A NATIONAL WEATHER SERVICE PRODUCT.
DURING DANGEROUS WEATHER...STAY ALERT TO NOAA WEATHER RADIO!
DO NOT COUNT ON INTERNET WEBSITES AS YOUR NUMBER ONE SOURCE FOR SEVERE WEATHER INFORMATION FROM THE NWS. ALWAYS BASE DECISIONS ON OFFICIAL NWS WARNINGS AND WATCHES.