Storms that produced hail and gusty winds in east-central Wisconsin moved onto Lake Michigan.
Every event with a place to put it. Tap one for its entry below.
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 GRB wrote it up.
Storms that produced hail and gusty winds in east-central Wisconsin moved onto Lake Michigan.
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 Green Bay, WI wrote its last area forecast discussion before the first event at Jun 22, 2:09 PM CST, 1 hour 51 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREEN BAY WI 309 PM CDT FRI JUN 22 2012 .SHORT TERM...TONIGHT AND SATURDAY. SCATTERED THUNDERSTORMS WILL COME TO AN END LATE THIS AFTERNOON OR EARLY THIS EVENING. A FEW STORMS COULD STILL BE STRONG OR SEVERE THIS AFTERNOON. OVERNIGHT...SKIES WILL BECOME MOSTLY CLEAR WITH AREAS/PATCHY FOG. ANY FOG SHOULD BURN OFF BY MID MORNING. THERE IS A CHANCE OF SHOWERS AND THUNDERSTORMS SATURDAY AFTERNOON...MAINLY WEST AND NORTH OF GREEN BAY AND THE FOX CITIES. ONLY MINOR CHANGES MADE TO MIN TEMPERATURES AND MAX TEMPERATURES ON SATURDAY. .LONG TERM...SATURDAY NIGHT THROUGH NEXT FRIDAY. NORTHWEST UPPER FLOW WILL MAKE FOR A GENERALLY DRY AND SEASONABLE WEEK. THERE ARE A FEW CHANCES FOR RAIN. THE FIRST IS SATURDAY AFTERNOON AS JET ENERGY PASSES BY TO OUR SOUTH. BEST OPPORTUNITY FOR SHOWERS AND THUNDERSTORMS WOULD BE OVER CENTRAL WISCONSIN. AN UPPER TROUGH PASSING BY TO THE NORTH COULD BRING SHOWERS OR THUNDERSTORMS TO THE ENTIRE AREA SATURDAY NIGHT AND EARLY SUNDAY. THEN A HUDSON BAY HIGH MOVES IN FOR SUNDAY AFTERNOON THROUGH WEDNESDAY WITH DRY AIR AND TEMPERATURES A DEGREE OR TWO BELOW NORMAL. UPPER RIDGING TRIES TO RETURN LATER IN THE WEEK WITH SLOWLY RISING TEMPERATURES AND DEW POINTS. && .AVIATION...SCATTERED THUNDERSTORMS WILL COME TO AN END LATE THIS AFTERNOON OR EARLY THIS EVENING. A FEW OF THE STORMS COULD STILL PRODUCE GUSTY WINDS OVER 35 KNOTS...TORRENTIAL RAINS AND SMALL HAIL UP TO A HALF INCH IN DIAMETER. SKIES WILL BECOME MOSTLY CLEAR THIS EVENING WITH AREAS OF FOG DEVELOPING OVERNIGHT. THE FOG MAY BE LOCALLY DENSE IN SPOTS. DO EXPECT IFR/LIFR/VLIFR CONDITIONS IN SPOTS...ESPECIALLY ACROSS THE NORTH. ANY FOG SHOULD BURN OFF BY MID MORNING SATURDAY. ON SATURDAY AFTERNOON...THERE IS A CHANCE OF SHOWERS AND THUNDERSTORMS MAINLY NORTH AND WEST OF GREEN BAY AND THE FOX CITIES. && .GRB WATCHES/WARNINGS/ADVISORIES... NONE. && ECKBERG/RDM
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREEN BAY WI 313 PM CDT FRI JUN 22 2012 WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-232015- VILAS-ONEIDA-FOREST-FLORENCE-NORTHERN MARINETTE-LINCOLN-LANGLADE- MENOMINEE-NORTHERN OCONTO-DOOR-MARATHON-SHAWANO-WOOD-PORTAGE- WAUPACA-OUTAGAMIE-BROWN-KEWAUNEE-WAUSHARA-WINNEBAGO-CALUMET- MANITOWOC-SOUTHERN MARINETTE-SOUTHERN OCONTO- 313 PM CDT FRI JUN 22 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL AND NORTHEAST WISCONSIN. .DAY ONE...TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR THE REMAINDER OF THE AFTERNOON AND EARLY THIS EVENING...NORTH AND EAST OF A LINE FROM OSHKOSH TO WAUSAU TO RHINELANDER. ATMOSPHERIC CONDITIONS WILL BE FAVORABLE FOR STORMS TO PRODUCE HAIL AND GUSTY WINDS. ALTHOUGH MOST STORMS SHOULD REMAIN BELOW SEVERE LIMITS...A FEW OF THE STRONGEST STORMS MAY BECOME SEVERE...WITH HAIL UP TO QUARTER SIZE AND DAMAGING WINDS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH FRIDAY THERE IS A CHANCE OF THUNDERSTORMS FROM SATURDAY AFTERNOON THROUGH SUNDAY...BUT WIDESPREAD SEVERE WEATHER IS NOT ANTICIPATED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... FORMAL SPOTTER ACTIVATION IS UNLIKELY FOR THE REMAINDER OF THE AFTERNOON AND EVENING DUE TO THE ISOLATED NATURE OF ANY SEVERE STORMS. SPOTTERS ARE URGED TO REPORT ANY OCCURRENCES OF HAIL OR WIND GUSTS IN EXCESS OF 45 MPH TO THE NATIONAL WEATHER SERVICE THIS AFTERNOON OR EARLY THIS EVENING. LMZ521-522-541>543-232015- THE BAY OF GREEN BAY SOUTH OF A LINE FROM CEDAR RIVER MI TO ROCK ISLAND PASSAGE-LAKE MICHIGAN FROM WASHINGTON ISLAND TO SHEBOYGAN- 313 PM CDT FRI JUN 22 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST LAKE MICHIGAN AND THE WATERS OF GREEN BAY. .DAY ONE...TONIGHT SCATTERED THUNDERSTORMS WILL END EARLY THIS EVENING. SOME OF THE STRONGER STORMS MAY PRODUCE HAIL AND GUSTY WINDS AND MAY POSE A SERIOUS HAZARD FOR MARINERS FOR THE REMAINDER OF THE AFTERNOON INTO EARLY THIS EVENING. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH FRIDAY THERE IS A CHANCE OF THUNDERSTORMS FROM SATURDAY NIGHT THROUGH SUNDAY...BUT WIDESPREAD SEVERE WEATHER IS NOT ANTICIPATED AT THIS TIME. ECKBERG/RDM
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</html>The Green Bay radar (KGRB), 65 km away, was scanning. The volume nearest the first event began at 22:01 UTC.
1 marine thunderstorm wind. Local standard time, as filed.
A thunderstorm produced wind gusts around 50 mph along the Manitowoc County shore.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Lake Michigan in 2012Every state in 2012This day in weather history
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 2026-10-01. Each event’s entry at NCEI: 394849.