Special Marine Warning 21, NWS Milwaukee, WI

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
930 PM CDT THU APR 18 2002

LINE OF SEVERE STORMS HAS TURNED INTO A BIG WIND EVENT WITH LINE
BEGINNING TO BOW FROM FOND DU LAC SOUTHWEST INTO SOUTHWEST DANE
COUNTY.  CONVECTION HAS PERSISTED DESPITE LOSS OF SUN/S HEATING.
ATMOSPHERE OVER SOUTHERN WISCONSIN HAS RECOVERED NICELY FROM EARLIER
CONVECTION.  LOOKS LIKE BOW WILL HOLD TOGETHER INTO EASTERN
WISCONSIN...REACHING THE SHORELINE OF LAKE MICHIGAN BETWEEN 1030 AND
1130 PM.  CDFNT HAS MADE A LEAP EAST WITH CONVECTION.  LOTS OF MASS
CONVERGENCE OVR SRN WI WITH SFC BASED LI/S STILL AROUND -4. IR
SATELLITE IMAGERY MAINTAINING COLD TOPS...SLIGHT WARMING IN LAST
COUPLE OF IMAGES.

.MKX...NONE.

DAVIS

WIZ046-047-051-052-056>060-062-066>068-071-072-190115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
625 PM CDT THU APR 18 2002

...TORNADO WATCH IN EFFECT FOR SOUTH CENTRAL AND SOUTHEAST WISCONSIN
UNTIL 8 PM CDT...

AT 624 PM CDT...NUMEROUS STRONG TO SEVERE THUNDERSTORMS CONTINUED
TO AFFECT PORTIONS OF SOUTH CENTRAL AND SOUTHEAST WISCONSIN AND A SMALL
PORTION OF
SOUTH CENTRAL WISCONSIN. SOME OF THESE STORMS HAVE HAD A HISTORY
OF PRODUCING LARGE DAMAGING HAIL AND GUSTY WINDS OF 40 TO 50 MPH.

MORE THUNDERSTORMS WERE OVER NORTHEAST IOWA MOVING EAST. THESE
STORMS WILL AFFECT SOUTH CENTRAL WISCONSIN BY 8 PM CDT. THE STORMS
ARE MOVING EAST AT 35 MPH.

PERSONS OVER SOUTH CENTRAL AND SOUTHEAST WISCONSIN SHOULD REMAIN
ALERT AND BE PREPARED TO SEEK STURDY SHELTER INDOORS AWAY FROM
WINDOWS IF THREATENING WEATHER APPROACHES.

GD

WIZ046-047-051-052-056>059-062-065>067-070-071-190100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
735 PM CDT THU APR 18 2002

...TORNADO WATCH IN EFFECT FOR SOUTH CENTRAL AND SOUTHEAST WISCONSIN
UNTIL 8 PM CDT...

AT 730 PM CDT...STRONG TO SEVERE THUNDERSTORMS CONTINUED OVER THE SOUTH
PORTIONS OF SOUTH CENTRAL AND SOUTHEAST WISCONSIN. SOME OF THESE STORMS
HAVE HAD A HISTORY OF LARGE DAMAGING HAIL AND WIND GUSTS TO 60 MPH.

MORE THUNDERSTORMS WERE APPROACHING SOUTHWEST WISCONSIN FROM
NORTHEAST IOWA. THESE STORMS WILL ENTER SOUTH CENTRAL WISCONSIN
AFTER 830 PM CDT.

PERSONS OVER SOUTH CENTRAL AND SOUTHEAST WISCONSIN SHOULD REMAIN
ALERT AND BE PREPARED TO SEEK STURDY SHELTER INDOORS AWAY FROM
WINDOWS IF THREATENING WEATHER APPROACHES.

GD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
813 PM CDT THU APR 18 2002

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0700 PM    EVANSVILLE                WI   1 INCH HAIL
04/18/02   ROCK                           REPORTED BY STORM
                                          SPOTTER.

0714 PM    LAKE GENEVA               WI   50 MPH TSTM GUST
04/18/02   WALWORTH                       REPORTED BY STORM
                                          SPOTTER.

0730 PM    DEERFIELD                 WI   2 INCH HAIL
04/18/02   DANE                           REPORTED BY STORM
                                          SPOTTER.

0740 PM    JANESVILLE                WI   .75 INCH HAIL
04/18/02   ROCK                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

WIZ046-047-051-052-057>060-063>071-190215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
821 PM CDT THU APR 18 2002

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR ALL OF SOUTH CENTRAL
AND SOUTHEAST WISCONSIN UNTIL 1 AM CDT...

AT 820 PM CDT...CLUSTERS OF STRONG TO OCCASIONALLY SEVERE THUNDERSTORMS
WERE ENTERING SOUTH CENTRAL WISCONSIN AND OVER PORTIONS OF SOUTHEAST
WISCONSIN. SOME OF THESE STORMS HAVE HAD A HISTORY OF LARGE DAMAGING
HAIL AND WIND GUSTS TO 60 MPH.

RESIDENTS OF SOUTHCENTRAL AND SOUTHEAST WISCONSIN SHOULD REMAIN
ALERT AND BE PREPARED TO SEEK STURDY SHELTER INDOORS AWAY FROM
WINDOWS SHOULD THREATENING WEATHER APPROACH.

GD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
912 PM CDT THU APR 18 2002

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0736 PM    2 W HIGHLAND              WI   60 MPH TSTM GUST
04/18/02   IOWA

0744 PM    JOHNSTOWN                 WI   .75 INCH HAIL
04/18/02   ROCK                           REPORTED BY HAM RADIO
                                          OPERATOR.

0858 PM    DODGEVILLE                WI   60 MPH TSTM GUST
04/18/02   IOWA                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0905 PM    POYNETTE                  WI   WIND DAMAGE
04/18/02   COLUMBIA                       REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.
                                          TREES AND POWER LINES
                                          DOWN

WIZ058>060-065>072-190330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
928 PM CDT THU APR 18 2002

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTHCENTRAL AND SOUTHEAST
WISCONSIN UNTIL 1 AM CDT...

AT 920 PM CDT...CLUSTERS OF STRONG TO OCCASIONALLY SEVERE THUNDERSTORMS
CONTINUED TO AFFECT PORTIONS OF SOUTHCENTRAL AND SOUTHEAST WISCONSIN.
SOME OF THESE STORMS HAVE HAD A HISTORY OF PRODUCING LARGE DAMAGING
HAIL...VERY HEAVY RAINFALL...WIND GUSTS OF 50 TO 60 MPH AND DEADLY
CLOUD TO GROUND LIGHTNING. THE STORMS ARE MOVING TO THE EAST AT
40 MPH.

RESIDENTS OF SOUTH CENTRAL AND SOUTHEAST WISCONSIN SHOULD REMAIN ALERT
AND BE PREPARED TO SEEK STURDY SHELTER INDOORS AWAY FROM WINDOWS SHOULD
THREATENING WEATHER APPROACH.

GD