Damaging Winds in Wisconsin, April 12, 2001

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREEN BAY WI
1145 PM CDT WED APR 11 2001

SUSTAINED WIND SPEEDS HV COME DOWN IN MOST AREAS. HOWEVER...STG WINDS
CONT JUST ABV SFC...AND THEY MAY STILL WORK DOWN TO THE SFC AT TIMES. WL
CONT WIND ADV BUT ADJUST WORDING TO ACCOUNT FOR VARIABILITY IN WIND
SPEED.

.GRB...WIND ADVISORY TONIGHT
       WIZ013-020>022-030-031-035>040-045-048>050-

       GALE WARNING FOR NEARSHORE WATERS TONIGHT
       LMZ541>543-

SKOWRONSKI
WWW.CRH.NOAA.GOV/GRB

WIZ005-010>013-018>022-030-031-035>040-045-048>050-120300-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREEN BAY WI
705 PM CDT WED APR 11 2001

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND PARTS OF CENTRAL
AND NORTH-CENTRAL WISCONSIN.

SEVERE THUNDERSTORMS ARE POSSIBLE THIS EVENING ACROSS THE FORECAST AREA.

THE GREATEST THREAT OF SEVERE STORMS WILL BE OVER CENTRAL WISCONSIN...
WHERE DAMAGING WINDS...LARGE HAIL AND ISOLATED TORNADOES ARE STILL
POSSIBLE. THE REST OF THE FORECAST AREA MAY EXPERIENCE STRONG GUSTY
WINDS...AND SMALL HAIL.

AN INTENSE STORM SYSTEM OVER SOUTHEAST NEBRASKA THIS EVENING IS FORECAST
TO MOVE NORTHEAST...REACHING SOUTHERN MINNESOTA BY MIDNIGHT. THE
SYSTEM WILL PULL A WARM FRONT INTO CENTRAL WISCONSIN...AND BRING
WARM...MOIST AND UNSTABLE AIR INTO THE REGION. THE COMBINATION OF
MOISTURE...LIFT AND INSTABILITY WILL LEAD TO WIDESPREAD THUNDERSTORMS
ACROSS THE REGION THIS EVENING. STRONG WIND SHEAR ALOFT MAY PRODUCE
ISOLATED TORNADOES...ESPECIALLY OVER CENTRAL WISCONSIN. FURTHERMORE...
ADDITIONAL HEAVY RAINFALL MAY LEAD TO FLASH FLOODING OVER CENTRAL AND
EAST-CENTRAL WISCONSIN WHERE HEAVY RAINS HAVE ALREADY OCCURRED EARLIER
IN THE DAY.

SPOTTER GROUPS ACROSS NORTHEAST WISCONSIN SHOULD BE PREPARED FOR
POSSIBLE ACTIVATION THIS EVENING.

STAY TUNED FOR LATER STATEMENTS ABOUT THIS APPROACHING STORM SYSTEM.
DETAILS OF CURRENT SIGNIFICANT WEATHER CAN BE FOUND IN THE SHORT-TERM
FORECAST.

KALLAS
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