Strong, gusty west-southwest winds affected parts of south-central and southeast Wisconsin in the wake of a cold front. Maximum gusts peaked at 39 to 42 kts (45 to 48 mph).
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS MKX wrote it up.
Strong, gusty west-southwest winds affected parts of south-central and southeast Wisconsin in the wake of a cold front. Maximum gusts peaked at 39 to 42 kts (45 to 48 mph). Scattered power outages were reported when broken tree branches hit power-lines.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Milwaukee, WI wrote its last area forecast discussion before the first event at Mar 30, 2:57 PM CST, 11 hours 3 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 257 PM CST THU MAR 30 2006 .DISCUSSION...FORECAST FOCUS IS ON CONVECTION TONIGHT AND EARLY FRIDAY...AND NEXT SYSTEM FOR SUNDAY INTO MONDAY. CURRENT RADAR RETURNS SHOWING SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS MOVING ACROSS CWA ALONG 850MB MOISTURE CONVERGENCE ZONE ALONG THE NOSE OF A DEVELOPING 50KT LLJ OVER IOWA. CURRENT SFC DEWPOINTS IN CENTRAL AND NORTHERN IOWA NOW INTO THE LOW TO MID 50S. THESE SHOWERS AND STORMS SHOULD CONTINUE MOVING OFF TO THE NORTHEAST THIS AFTERNOON. THERE WILL BE A BRIEF BREAK EARLY THIS EVENING BEFORE THE NEXT ROUND OF PRECIPITATION MOVES IN. MODELS IN GOOD AGREEMENT WITH THE PROGRESSION OF SURFACE LOW FROM THE PLAINS STATES THROUGH NORTHERN WISCONSIN THIS EVENING AND OVERNIGHT TONIGHT. MODELS BRING BEST DIVERGENCE ASSOCIATED WITH UL JET OVER THE CWA BETWEEN 6Z AND 12Z. STRONG...CLOSED LOW AT 500MB BRINGS THE BEST CVA ACROSS CWA DURING THIS SAME TIME FRAME. STRONG 700MB OMEGA AND NOSE OF 60KT LLJ MAXIMIZE BETWEEN 3Z TO 9Z. MODEL SOUNDINGS GENERATE MINIMAL CAPE FOR TONIGHT...ONLY A FEW HUNDRED J/KG...WITH LI/S AROUND -1 TO -2. TRACKS OF SURFACE AND 850MB LOWS PUT CWA INTO WARM SECTOR...ESPECIALLY IN THE WESTERN CWA SO SOME STORMS MAY PRODUCE SOME HAIL OR GUSTY WINDS AHEAD OF OCCLUSION SWEEPING ACROSS SRN WI FRIDAY MORNING. CURRENT SPC DAY 1 OUTLOOK PUTS FAR SOUTHEAST WISCONSIN IN A SLIGHT RISK. THE BEST CHANCE FOR SHOWERS AND THUNDERSTORMS LOOKS TO BE CENTERED BETWEEN 3Z TO 9Z TONIGHT. WILL KEEP THE OCCASIONAL SHOWERS AND THUNDERSTORMS... ALREADY IN THE FORECAST. CURRENT SURFACE ANALYSIS SHOWING 4MB TO 5MB...3 HOUR PRESSURE FALLS OVER CENTRAL AND WESTERN IOWA. THIS WILL BRING INCREASINGLY WINDY CONDITIONS ACROSS CWA THIS EVENING INTO FRIDAY AS THE LOW CONTINUES TO MOVE EASTWARD. EXPECT THUNDERSTORM ACTIVITY TO END BY 12Z FRIDAY. COLDER AIR WRAPPING UNDER SURFACE/850MB LOWS WILL DEVELOP INVERSION THAT WILL PREVENT DEEP CONVECTION AS 500 MB LOW MOVES ACROSS THE STATE...SO ONLY EXPECT RAIN SHOWERS DURING THE REST OF THE DAY FRIDAY INTO THE MORNING ON SATURDAY. GFS IS A LITTLE SLOWER IN CLEARING OUT THE PRECIPITATION ON SATURDAY MORNING...BUT SHOULD BE OVER WITH END BY 12Z. THE REST OF SATURDAY LOOKS QUIET AS RIDGE BUILDS IN WITH CONTINUED COOLER NEAR THE LAKE ON N TO NERLY WINDS. NEXT SYSTEM APPROACHES FOR SUNDAY INTO MONDAY. LOW TRAVELS THROUGH SRN WI BRINGING POTENTIAL FOR A GOOD RAIN. && .MKX WATCHES/WARNINGS/ADVISORIES... NONE. && 07
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 650 PM CST THU MAR 30 2006 WIZ046-047-051-052-056>060-062>072-311100- COLUMBIA-DANE-DODGE-FOND DU LAC-GREEN-GREEN LAKE-IOWA-JEFFERSON- KENOSHA-LAFAYETTE-MARQUETTE-MILWAUKEE-OZAUKEE-RACINE-ROCK-SAUK- SHEBOYGAN-WALWORTH-WASHINGTON-WAUKESHA- 650 PM CST THU MAR 30 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL WISCONSIN...SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN. .DAY ONE...TONIGHT A PERIOD OF THUNDERSTORMS IS EXPECTED TONIGHT. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ALONG AND SOUTH OF A LINE FROM DODGEVILLE TO JANESVILLE AND FONTANA. THE MAIN SEVERE WEATHER RISKS WILL BE LARGE HAIL OF AROUND ONE INCH AND DAMAGING WIND GUSTS OF 60 MPH. BRIEF HEAVY RAINFALL UP TO ONE INCH IS ALSO POSSIBLE. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THUNDERSTORMS ARE LIKELY ON SUNDAY. HEAVY RAINFALL WILL BE POSSIBLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TONIGHT. LMZ643>646-665-311100- SHEBOYGAN TO WINTHROP HARBOR ILLINOIS- 650 PM CST THU MAR 30 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE MICHIGAN. .DAY ONE...TONIGHT A SMALL CRAFT ADVISORY IS IN EFFECT TONIGHT FOR SOUTHEAST WINDS TO 25 KNOTS AND WAVES INCREASING TO 3 TO 5 FEET. A PERIOD OF THUNDERSTORMS IS EXPECTED MAINLY AFTER MIDNIGHT. SOME OF THESE THUNDERSTORMS MAY PRODUCE SMALL HAIL AND WIND GUSTS EXCEEDING 35 KNOTS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY A SMALL CRAFT ADVISORY WILL BE IN EFFECT THROUGH FRIDAY FOR SOUTH WINDS BECOMING WEST OF UP TO 30 KNOTS AND WAVES OF 3 TO 5 FEET. ZAJDEL
The national radar mosaic for the moment the first event began.
15 strong wind. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wisconsin in 2006Every state in 2006This day in weather historyWarnings in Wisconsin, March 2006
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5494759, 5494760, 5494761, 5494762, 5494763, 5494764, 5494765, 5494766, 5494767, 5494768, 5494769, 5494770, 5494870, 5494871, 5494872.