A severe storm dropped southeast through Sheboygan County. It was associated with a weak cold front.
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 MKX wrote it up.
A severe storm dropped southeast through Sheboygan County. It was associated with a weak cold front. The upper-level low pressure was found just northeast of Lake Superior, while a short-wave trough rotated around the upper low. Surface temperatures preceding the storm werer in the mid to upper 80s and surface dewpoints were in the mid 60s.
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 Aug 1, 3:13 AM CST, 11 hours 3 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 413 AM CDT FRI AUG 1 2008 FORECAST FOCUS ON TEMPERATURES SHORT TERM...PRECIPITATION CHANCE IN THE LONG TERM PERIOD. LATEST WATER VAPOR IMAGERY INDICATED AN UPPER LEVEL RIDGE SHIFTING EASTWARD ACROSS THE NORTHERN ROCKIES. DOWNSTREAM OF THIS FEATURE...A SHORTWAVE TROUGH/VORTICITY MAXIMUM WAS LOCATED OVER FAR NORTHERN MINNESOTA AND SOUTHWEST ONTARIO CANADA. RUC ANALYSIS INDICATED VORTICITY LOBE EXTENDING SOUTH INTO NORTHWEST WISCONSIN...AND HELPING TO PRODUCE ISOLATED SHOWERS AND THUNDERSTORMS THERE. AT THE SURFACE...HIGH PRESSURE WAS BUILDING INTO THE NORTHERN PLAINS. .SHORT TERM...TODAY THROUGH SUNDAY... WILL MENTION PATCHY FOG IN EARLY MORNING HOURS GIVEN LIGHT WINDS AND MAINLY CLEAR SKIES ACROSS THE AREA...AND CURRENT OBSERVATIONS. NAM/GFS HAVE VORTICITY MAXIMUM DROPPING SOUTHEAST TODAY...BRUSHING THE NORTHEAST COUNTIES. GFS SOUNDINGS SEEM TO HAVE A BETTER HANDLE ON EXPECTED LOWER DEW POINTS THROUGH THE DAY TODAY THAN THE NAM...AND THEREFORE HAVE MUCH LESS CAPE. WILL INCLUDE A SLIGHT CHANCE IN THE EAST FROM MID MORNING ON...GIVEN CLOSE PROXIMITY OF PASSING VORTICITY MAXIMUM. MOST OF THE DAY SHOULD BE DRY...AS HIGH PRESSURE MOVES TOWARD THE AREA. THE HIGH WILL THEN MOVE ACROSS THE AREA TONIGHT AND SATURDAY...BRINGING LESS HUMID CONDITIONS TO THE AREA. MAY SEE PATCHY FOG TONIGHT IN THE RIVER VALLEYS...WITH FEW CLOUDS AND LIGHT WINDS AROUND. TEMPERATURES WILL CONTINUE TO BE WARM AWAY FROM THE LAKESHORE THROUGH SUNDAY. WINDS SHIFTING ONSHORE NEAR THE LAKE WILL KEEP HIGHS THERE COOLER. AS HIGH PASSES TO THE EAST SATURDAY NIGHT...A 40 KNOT PLUS LOW LEVEL JET POINTS TOWARD SOUTHWEST WISCONSIN. THIS FEATURE PERSISTS ON SUNDAY...THOUGH AT A WEAKER MAGNITUDE. GFS MORE BULLISH THAN THE NAM ON EXPECTED INSTABILITY...MAINLY ELEVATED IN NATURE. NAM DOES BRING AN MCS JUST TO THE SOUTHWEST OF THE FORECAST AREA SATURDAY NIGHT...WITH REMNANTS INTO SUNDAY. GFS WAS MUCH LESS OPTIMISTIC ON QPF. WILL CARRY SLIGHT CHANCE TO CHANCE POPS SATURDAY NIGHT AND SUNDAY. .LONG TERM...SUNDAY NIGHT THROUGH THURSDAY... GFS AND ECMWF INDICATED THE STRONG LOW LEVEL JET NOSE TO CONTINUE SUNDAY NIGHT...WITH A LOW PRESSURE SYSTEM PASSING THROUGH THE REGION MONDAY...THEN DROPPING A COLD FRONT THROUGH THE AREA MONDAY NIGHT. STRONG WARM AIR ADVECTION TAKES PLACE ON THE GFS ON MONDAY...WITH 850MB TEMPERATURES OF 26 DEGREES CELSIUS...AND 1000/500MB THICKNESSES RISING INTO THE LOWER 580S DKM. WILL KEEP CHANCY WORDING IN FORECAST FOR SUNDAY NIGHT THROUGH WEDNESDAY...GIVEN THE MODEL UNCERTAINTY FOR EXPECTED CAPE VALUES. HIGHS WELL INTO THE 90S FAHRENHEIT POSSIBLE IF GFS VERIFIES WITH ANY SUNSHINE. && .AVIATION...SOME MORNING FOG...ESPECIALLY AT KMSN...SHOULD LIFT BY 14Z. OTHERWISE...VFR THROUGH THE PERIOD. SLGT CHANCE FOR THUNDERSTORMS THIS AFTERNOON AS H5 S/W DROPS SOUTHEAST THROUGH THE GREAT LAKES. WILL NOT BE REFLECTED IN TAF FOR KMKE OR KENW. && .MKX WATCHES/WARNINGS/ADVISORIES... WI...NONE. LM...NONE. && SHORT/LONG TERM...08/WOOD AVIATION/MARINE...05/DAVIS
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 228 PM CDT FRI AUG 1 2008 WIZ046-047-051-052-056>060-062>072-020930- MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE- WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE- LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA- 228 PM CDT FRI AUG 1 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL WISCONSIN...SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER EASTERN WISCONSIN. DAMAGING WINDS AND LARGE HAIL ARE POSSIBLE WITH THUNDERSTORMS THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY HEAT INDEX VALUES MAY REACH 95 DEGREES ON MONDAY AWAY FROM LAKE MICHIGAN AND SOUTH OF INTERSTATE 94. THERE IS A CHANCE OF THUNDERSTORMS SATURDAY NIGHT THROUGH WEDNESDAY. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS SUNDAY NIGHT FOR SOUTHERN WISCONSIN AS A WARM FRONT MOVES NORTH INTO THE REGION. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED SUNDAY NIGHT. LMZ643>646-020930- SHEBOYGAN TO PORT WASHINGTON WI- PORT WASHINGTON TO NORTH POINT LIGHT WI- NORTH POINT LIGHT TO WIND POINT WI- WIND POINT WI TO WINTHROP HARBOR IL- 228 PM CDT FRI AUG 1 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE MICHIGAN. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS. DAMAGING WINDS AND LARGE HAIL ARE POSSIBLE WITH THUNDERSTORMS THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THERE IS A CHANCE OF THUNDERSTORMS SUNDAY AFTERNOON THROUGH WEDNESDAY. GEHRING WWW.WEATHER.GOV/MKX
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 125 PM CDT FRI AUG 1 2008 WIZ046-047-051-052-057>060-064>066-070>072-012300- MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-COLUMBIA-DODGE- WASHINGTON-OZAUKEE-JEFFERSON-WAUKESHA-MILWAUKEE-WALWORTH-RACINE- KENOSHA- INCLUDING THE CITIES OF...MONTELLO...BERLIN...FOND DU LAC... SHEBOYGAN...PORTAGE...WISCONSIN DELLS...BEAVER DAM...WEST BEND... PORT WASHINGTON...JEFFERSON...LAKE MILLS...WAUKESHA... BROOKFIELD...MILWAUKEE...ELKHORN...LAKE GENEVA...RACINE...KENOSHA 125 PM CDT FRI AUG 1 2008 ...SEVERE THUNDERSTORM WATCH 785 IN EFFECT UNTIL 6 PM CDT FOR MARQUETTE...GREEN LAKE...FOND DU LAC...AND SHEBOYGAN COUNTIES... AT 125 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A BROKEN LINE OF THUNDERSTORMS FROM NEAR MARQUETTE MICHIGAN SOUTHWEST TO NEAR STEVENS POINT. ANOTHER SHOWER HAS RECENTLY DEVELOPED JUST EAST OF WAUTOMA. THE THUNDERSTORMS ARE PUSHING SOUTHEAST AROUND 25 MPH. ON THE PRESENT TRACK...THE ACTIVITY WOULD APPROACH THE FOND DU LAC AREA AROUND 230 PM AND THE SHEBOYGAN AREA AROUND 330 PM. ADDITIONAL THUNDERSTORM DEVELOPMENT IS POSSIBLE NEAR THE LAKE BREEZE THIS AFTERNOON SOUTH OF THE WATCH AREA...HOWEVER THOSE STORMS ARE GENERALLY NOT EXPECTED TO REACH SEVERE LEVELS AT THIS TIME. THUNDERSTORM WIND GUSTS TO 70 MPH...HAIL TO 1.5 INCHES IN DIAMETER...HEAVY RAIN...AND FREQUENT LIGHTNING WILL BE POSSIBLE WITH THESE THUNDERSTORMS IN THE WATCH AREA. STAY ALERT FOR THREATENING WEATHER CONDITIONS THIS AFTERNOON. IF YOU PLAN TO BE OUTDOORS...KEEP AN EYE TO THE SKY AND BE PREPARED TO TAKE SHELTER IF YOU SEE STORMS APPROACH OR IF A WARNING IS ISSUED. BORGHOFF
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 153 PM CDT FRI AUG 1 2008 WIZ046-047-051-052-057>060-064>066-070>072-012300- MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-COLUMBIA-DODGE- WASHINGTON-OZAUKEE-JEFFERSON-WAUKESHA-MILWAUKEE-WALWORTH-RACINE- KENOSHA- INCLUDING THE CITIES OF...MONTELLO...BERLIN...FOND DU LAC... SHEBOYGAN...PORTAGE...WISCONSIN DELLS...BEAVER DAM...WEST BEND... PORT WASHINGTON...JEFFERSON...LAKE MILLS...WAUKESHA... BROOKFIELD...MILWAUKEE...ELKHORN...LAKE GENEVA...RACINE...KENOSHA 153 PM CDT FRI AUG 1 2008 ...SEVERE THUNDERSTORM WATCH 785 IN EFFECT UNTIL 6 PM CDT FOR MARQUETTE...GREEN LAKE...FOND DU LAC...AND SHEBOYGAN COUNTIES... AT 153 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A BROKEN LINE OF THUNDERSTORMS FROM NEAR MARQUETTE MICHIGAN SOUTHWEST TO NEAR MAUSTON AND ADAMS WISCONSIN. THE STRONGEST STORMS ARE CURRENTLY LOCATED NEAR THE APPLETON AND NEW LONDON AREAS. THE THUNDERSTORMS ARE PUSHING SOUTHEAST AROUND 25 MPH. ADDITIONAL THUNDERSTORMS ARE DEVELOPING ACROSS WINNEBAGO AND WAUSHARA COUNTIES. ON THE PRESENT TRACK...THE ACTIVITY WOULD APPROACH THE FOND DU LAC AREA BY 230 PM. THE STRONGEST STORMS LOCATED NEAR APPLETON WILL LIKELY AFFECT SHEBOYGAN COUNTY AROUND 330 PM. THUNDERSTORM WIND GUSTS TO 70 MPH...HAIL TO 1.5 INCHES IN DIAMETER...HEAVY RAIN...AND FREQUENT LIGHTNING WILL BE POSSIBLE WITH THUNDERSTORMS IN THE WATCH AREA. ADDITIONAL THUNDERSTORM DEVELOPMENT IS POSSIBLE NEAR THE LAKE BREEZE THIS AFTERNOON SOUTH OF THE WATCH AREA...HOWEVER THESE STORMS ARE NOT EXPECTED TO REACH SEVERE LEVELS AT THIS TIME. STAY ALERT FOR THREATENING WEATHER CONDITIONS THIS AFTERNOON. IF YOU PLAN TO BE OUTDOORS...KEEP AN EYE TO THE SKY AND BE PREPARED TO TAKE SHELTER IF YOU SEE STORMS APPROACH OR IF A WARNING IS ISSUED. BORGHOFF
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 300 PM CDT FRI AUG 1 2008 WIZ046-047-051-052-057>060-064>066-070>072-012300- MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-COLUMBIA-DODGE- WASHINGTON-OZAUKEE-JEFFERSON-WAUKESHA-MILWAUKEE-WALWORTH-RACINE- KENOSHA- INCLUDING THE CITIES OF...MONTELLO...BERLIN...FOND DU LAC... SHEBOYGAN...PORTAGE...WISCONSIN DELLS...BEAVER DAM...WEST BEND... PORT WASHINGTON...JEFFERSON...LAKE MILLS...WAUKESHA... BROOKFIELD...MILWAUKEE...ELKHORN...LAKE GENEVA...RACINE...KENOSHA 300 PM CDT FRI AUG 1 2008 ...SEVERE THUNDERSTORM WATCH 785 IN EFFECT UNTIL 6 PM CDT FOR MARQUETTE...GREEN LAKE...FOND DU LAC...AND SHEBOYGAN COUNTIES... AT 300 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A BROKEN LINE OF THUNDERSTORMS FROM OXFORD IN MARQUETTE COUNTY TO WINNEBAGO. THE STRONGEST STORMS ARE CURRENTLY LOCATED IN CALUMET AND WINNEBAGO COUNTIES. THE THUNDERSTORMS ARE PUSHING SOUTHEAST AROUND 25 MPH. THE STRONGEST ACTIVITY WILL ENTER NORTHERN FOND DU LAC AND SHEBOYGAN COUNTIES AT 315 PM AND CONTINUE SOUTHWARD. STRONG WIND GUSTS...AND HAIL TO 1.0 INCH IN DIAMETER IS POSSIBLE...HEAVY RAIN...AND FREQUENT LIGHTNING ARE ALSO LIKELY WITH THESE THUNDERSTORMS. ADDITIONAL THUNDERSTORM DEVELOPMENT IS POSSIBLE NEAR THE LAKE BREEZE THIS AFTERNOON SOUTH OF THE WATCH AREA...HOWEVER THESE STORMS ARE NOT EXPECTED TO REACH SEVERE LEVELS AT THIS TIME. STAY ALERT FOR THREATENING WEATHER CONDITIONS THIS AFTERNOON. IF YOU PLAN TO BE OUTDOORS...KEEP AN EYE TO THE SKY AND BE PREPARED TO TAKE SHELTER IF YOU SEE STORMS APPROACH OR IF A WARNING IS ISSUED. FRANKS
The Green Bay radar (KGRB), 67 km away, was scanning. The volume nearest the first event began at 20:13 UTC.
1 thunderstorm wind, 1 hail. Local standard time, as filed.
Powerful downburst straight-line winds toppled many large trees. Tree debris knocked down some power-lines.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wisconsin in 2008Every state in 2008This day in weather historyWarnings in Wisconsin, August 2008
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: 120356, 120358.