Yet another weak cold front moved southeast through southern Wisconsin with double-structure in terms of lines of associated storms. The first line was solid while the second line had scattered storms.
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.
Yet another weak cold front moved southeast through southern Wisconsin with double-structure in terms of lines of associated storms. The first line was solid while the second line had scattered storms. Some of the storms briefly pulsed to severe limits with powerful wind gusts.
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 Jul 10, 1:51 PM CST, 1 hour 1 minute earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 251 PM CDT TUE JUL 10 2007 .DISCUSSION...FORECAST FOCUS ON SEVERE WEATHER EARLY THIS EVENING AND EVOLUTION INTO COOL WEATHER PATTERN INTO WEEKEND. .SHORT TERM...PRE-FRONTAL LINE OF THUNDERSTORMS FORMED AHEAD OF CONVECTION ALONG STRONG COLD FRONT IN LINE WITH WRF PROG EXPECTED TO EXIT CWA BY 02Z TONIGHT. .LONG TERM...NAM/GFS/ECMWF PROGS THEN IN VERY CLOSE AGREEMENT WITH EVOLUTION OF UPPER LOW JUST WEST OF JAMES BAY CANADA. WEATHER PATTERN BECOMES STUCK INTO WEEKEND AS MIDDLE AND UPPER NORTHWEST FLOW WILL PREVAIL OVER CWA. PROGS HAVING CONTINUED DIFFICULTY WITH STRENGTH AND TIMING OF SHORT WAVES ONCE THIS NORTHWEST FLOW IS ESTABLISHED. AS A RESULT HAVE GONE WITH SMALL CHANCES OF PRECIPITATION OVER CWA WHEN IT APPEARS PROGS ARE CLOSEST IN ARRIVAL TIME. OVERALL THE STRETCH OF WEATHER EXPECTED INTO EARLY NEXT WEEK FOR THE VAST MAJORITY OF TIME WILL BE DRY WITH AT OR SLIGHTLY BELOW NORMAL TEMPERATURES AND COMFORTABLE DEW POINTS. && .AVIATION...STRONG SHORTWAVE MOVING ACROSS THE UPPER GREAT LAKES WITH SEVERE THUNDERSTORMS OVER REGION THROUGH 02Z. WEST TO SOUTHWEST SURFACE WINDS 10 TO 20 KNOTS WITH GUSTS TO 30 KNOTS AHEAD OF FRONT BECOMING NORTHWEST 10 TO 20 KNOTS AFTER FRONTAL PASSAGE. CIGS 3-5 THOUSAND WITH LOCAL IFR CIGS AND VSBYS IN AND NEAR THUNDERSTORMS UNTIL 02Z...THEN VFR CONDITIONS THROUGH 12Z WEDNESDAY. && .MKX WATCHES/WARNINGS/ADVISORIES... NONE. && ZAJDEL/03
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 437 AM CDT TUE JUL 10 2007 WIZ046-047-051-052-056>060-062>072-110945- MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE- WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE- LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA- 437 AM CDT TUE JUL 10 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL WISCONSIN...SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE LIKELY THIS AFTERNOON AND INTO THE EVENING AHEAD OF AN ADVANCING COLD FRONT. THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS...PRODUCING DAMAGING WINDS AND LARGE HAIL. AN ISOLATED TORNADO IS ALSO POSSIBLE. HEAT INDEX VALUES SHOULD RISE INTO THE MID 90S THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THERE IS A SLIGHT CHANCE FOR THUNDERSTORMS THURSDAY...SATURDAY...AND MONDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE NEEDED THIS AFTERNOON AND EVENING. LMZ643>646-665-110945- SHEBOYGAN TO PORT WASHINGTON- PORT WASHINGTON TO NORTH POINT LIGHTHOUSE- NORTH POINT LIGHTHOUSE TO WIND POINT- WIND POINT TO WINTHROP HARBOR ILLINOIS- WISCONSIN ADJACENT OPEN WATERS OF LAKE MICHIGAN TO MID LAKE- 437 AM CDT TUE JUL 10 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE MICHIGAN. .DAY ONE...TODAY AND TONIGHT A SMALL CRAFT ADVISORY IS IN EFFECT THIS AFTERNOON AND EVENING AS SOUTH WINDS GUST TO 25 KNOTS THIS AFTERNOON...VEERING TO THE WEST THIS EVENING. THUNDERSTORMS ARE LIKELY THIS AFTERNOON INTO THE EVENING AHEAD OF AN ADVANCING COLD FRONT. THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS...PRODUCING DAMAGING WINDS AND LARGE HAIL. AN ISOLATED WATERSPOUT IS POSSIBLE. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THERE IS A SLIGHT CHANCE FOR THUNDERSTORMS THURSDAY...SATURDAY...AND MONDAY. HENTZ WWW.WEATHER.GOV/MKX
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
212 PM CDT TUE JUL 10 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0145 PM TSTM WND GST SHEBOYGAN 43.75N 87.73W
07/10/2007 M42 MPH SHEBOYGAN WI MESONET
GUST TO 42 MPH AT NORTH HIGH SCHOOL.
&&
BB/AJLSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 236 PM CDT TUE JUL 10 2007 WIZ046-047-051-052-056>060-062>072-102145- MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE- WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE- LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA- INCLUDING THE CITIES OF...MONTELLO...BERLIN...FOND DU LAC... SHEBOYGAN...BARABOO...PORTAGE...WISCONSIN DELLS...BEAVER DAM... WEST BEND...PORT WASHINGTON...DODGEVILLE...MADISON...JEFFERSON... LAKE MILLS...WAUKESHA...BROOKFIELD...MILWAUKEE...DARLINGTON... MONROE...JANESVILLE...BELOIT...ELKHORN...LAKE GENEVA...RACINE... KENOSHA 236 PM CDT TUE JUL 10 2007 ...SEVERE THUNDERSTORM WATCH 506 IN EFFECT UNTIL 9 PM CDT... AT 235 PM DOPPLER RADAR SHOWED TWO LINES OF STORMS OVER SOUTH CENTRAL AND SOUTHEAST WISCONSIN. ONE LINE OF STORMS EXTENDED FROM NEAR BELOIT TO WATERTOWN TO DELAFIELD TO PORT WASHINGTON. THIS LINE OF STORMS WAS MOVING EAST AT 20 MPH AND WILL EXTEND FROM DELAVAN TO EAST TROY TO WEST ALLIS TO FOX POINT TO BAYSIDE BY 3 PM. GUSTY WINDS TO AROUND 45 MPH...HAIL UP TO ONE- HALF INCH IN DIAMETER...BRIEF HEAVY RAINS...AND DANGEROUS LIGHTNING ARE LIKELY WITH ANY OF THESE STORMS. PONDING OF WATER ON SOME CITY STREETS IS POSSIBLE. ANOTHER LINE OF STORMS EXTENDED FROM NEAR MOUNT HOREB TO PORTAGE TO BERLIN. THESE STORMS SHOULD REACH A MADISON TO COLUMBUS TO RIPON LINE BY 3 PM. ANY OF THE STORMS CAN BECOME SEVERE WITH DAMAGING WINDS AND LARGE HAIL. KAPELA
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 302 PM CDT TUE JUL 10 2007 WIZ046-047-051-052-056>060-062>072-102215- MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE- WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE- LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA- INCLUDING THE CITIES OF...MONTELLO...BERLIN...FOND DU LAC... SHEBOYGAN...BARABOO...PORTAGE...WISCONSIN DELLS...BEAVER DAM... WEST BEND...PORT WASHINGTON...DODGEVILLE...MADISON...JEFFERSON... LAKE MILLS...WAUKESHA...BROOKFIELD...MILWAUKEE...DARLINGTON... MONROE...JANESVILLE...BELOIT...ELKHORN...LAKE GENEVA...RACINE... KENOSHA 302 PM CDT TUE JUL 10 2007 ...SEVERE THUNDERSTORM WATCH 506 IN EFFECT UNTIL 9 PM CDT... AT 3 PM DOPPLER RADAR SHOWED TWO LINES OF STORMS OVER SOUTH CENTRAL AND SOUTHEAST WISCONSIN. ONE NEARLY SOLID LINE OF STORMS EXTENDED FROM NEAR CLINTON TO EAST TROY TO NEW BERLIN TO BAYSIDE. THIS LINE OF STORMS WAS MOVING EAST AT 20 MPH AND WILL EXTEND FROM LAKE GENEVA TO BURLINGTON TO MILWAUKEE BY 330 PM. GUSTY WINDS TO AROUND 45 MPH...HAIL UP TO ONE-HALF INCH IN DIAMETER...BRIEF HEAVY RAINS...AND DANGEROUS LIGHTNING ARE LIKELY WITH ANY OF THESE STORMS. PONDING OF WATER ON SOME CITY STREETS IS POSSIBLE. ANOTHER LINE OF SCATTERED STORMS EXTENDED FROM NEAR DARLINGTON TO DEFOREST TO RIPON. THESE STORMS SHOULD REACH A SOUTH WAYNE TO MADISON TO BEAVER DAM TO FOND DU LAC LINE BY 330 PM. ANY OF THE STORMS CAN BECOME SEVERE WITH DAMAGING WINDS AND LARGE HAIL. KAPELA
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 330 PM CDT TUE JUL 10 2007 WIZ046-047-051-052-056>060-062>072-102230- MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE- WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE- LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA- INCLUDING THE CITIES OF...MONTELLO...BERLIN...FOND DU LAC... SHEBOYGAN...BARABOO...PORTAGE...WISCONSIN DELLS...BEAVER DAM... WEST BEND...PORT WASHINGTON...DODGEVILLE...MADISON...JEFFERSON... LAKE MILLS...WAUKESHA...BROOKFIELD...MILWAUKEE...DARLINGTON... MONROE...JANESVILLE...BELOIT...ELKHORN...LAKE GENEVA...RACINE... KENOSHA 330 PM CDT TUE JUL 10 2007 ...SEVERE THUNDERSTORM WATCH 506 REMAINS IN EFFECT UNTIL 9 PM CDT FOR PORTIONS OF SOUTH CENTRAL AND SOUTHEAST WISCONSIN... ...SEVERE THUNDERSTORM WATCH CANCELLED FOR MARQUETTE...GREEN LAKE...SAUK...IOWA...AND LAFAYETTE COUNTIES... AT 330 PM DOPPLER RADAR SHOWED TWO BROKEN LINES OF STORMS OVER SOUTH CENTRAL AND SOUTHEAST WISCONSIN. ONE LINE OF STORMS EXTENDED FROM NEAR MILWAUKEE...TO BOHNERS LAKE...TO LAKE GENEVA. THIS LINE OF STORMS WAS MOVING EAST AT 40 MPH AND WILL EXTEND FROM RACINE TO KENOSHA BY 400 PM. ANOTHER LINE OF SCATTERED STORMS EXTENDED FROM NEAR FOND DU LAC...TO BEAVER DAM...TO PINE BLUFF. THESE STORMS SHOULD REACH A DUNDEE...TO WATERTOWN...TO LAKE RIPLEY LINE BY 400 PM. GUSTY WINDS TO AROUND 45 MPH...HAIL UP TO ONE-HALF INCH IN DIAMETER...BRIEF HEAVY RAINS...AND DANGEROUS LIGHTNING ARE LIKELY WITH ANY OF THESE STORMS. PONDING OF WATER ON SOME CITY STREETS IS POSSIBLE. ANY OF THE STORMS CAN BECOME SEVERE WITH DAMAGING WINDS AND LARGE HAIL. BORGHOFF/LAMERS
SPECIAL WEATHER STATEMENT...UPDATED NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 330 PM CDT TUE JUL 10 2007 WIZ046-047-051-052-056>060-062>072-102230- MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE- WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE- LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA- INCLUDING THE CITIES OF...MONTELLO...BERLIN...FOND DU LAC... SHEBOYGAN...BARABOO...PORTAGE...WISCONSIN DELLS...BEAVER DAM... WEST BEND...PORT WASHINGTON...DODGEVILLE...MADISON...JEFFERSON... LAKE MILLS...WAUKESHA...BROOKFIELD...MILWAUKEE...DARLINGTON... MONROE...JANESVILLE...BELOIT...ELKHORN...LAKE GENEVA...RACINE... KENOSHA 330 PM CDT TUE JUL 10 2007 ...SEVERE THUNDERSTORM WATCH 506 REMAINS IN EFFECT UNTIL 9 PM CDT FOR PORTIONS OF SOUTH CENTRAL AND SOUTHEAST WISCONSIN... ...SEVERE THUNDERSTORM WATCH CANCELLED FOR MARQUETTE...GREEN LAKE...SAUK...IOWA...DANE...LAFAYETTE...AND GREEN COUNTIES... AT 330 PM DOPPLER RADAR SHOWED TWO BROKEN LINES OF STORMS OVER SOUTH CENTRAL AND SOUTHEAST WISCONSIN. ONE LINE OF STORMS EXTENDED FROM NEAR MILWAUKEE...TO BOHNERS LAKE...TO LAKE GENEVA. THIS LINE OF STORMS WAS MOVING EAST AT 40 MPH AND WILL EXTEND FROM RACINE TO KENOSHA BY 400 PM. ANOTHER LINE OF SCATTERED STORMS EXTENDED FROM NEAR FOND DU LAC...TO BEAVER DAM...TO PINE BLUFF. THESE STORMS SHOULD REACH A DUNDEE...TO WATERTOWN...TO LAKE RIPLEY LINE BY 400 PM. GUSTY WINDS TO AROUND 45 MPH...HAIL UP TO ONE-HALF INCH IN DIAMETER...BRIEF HEAVY RAINS...AND DANGEROUS LIGHTNING ARE LIKELY WITH ANY OF THESE STORMS. PONDING OF WATER ON SOME CITY STREETS IS POSSIBLE. ANY OF THE STORMS CAN BECOME SEVERE WITH DAMAGING WINDS AND LARGE HAIL. BORGHOFF/LAMERS UPDATED FOR CANCELLED COUNTIES
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
334 PM CDT TUE JUL 10 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0325 PM TSTM WND GST FOND DU LAC 43.77N 88.45W
07/10/2007 M44 MPH FOND DU LAC WI ASOS
SUSTAINED WINDS OF 25 KNOTS...GUSTING TO 38 KNOTS.
RECORDED ON THE FOND DU LAC ASOS.
&&
BB/AJLThe Milwaukee radar (KMKX), 56 km away, was scanning. The volume nearest the first event began at 20:53 UTC.
2 thunderstorm wind, 1 lightning. Local standard time, as filed.
Powerful thunderstorm wind gusts to 50 knots (58 mph) toppled several large trees east of Genoa City.
Powerful thunderstorm wind gusts to 50 knots (58 mph) toppled several large trees in the Bristol area.
Lightning struck a retail store on a frontage road adjacent to Interstate 94, resulting in a minor fire.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wisconsin in 2007Every state in 2007This day in weather historyWarnings in Wisconsin, July 2007
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: 50069, 50068, 50073.