Scattered thunderstorms resulted in a couple lightning fires.
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.
Scattered thunderstorms resulted in a couple lightning fires.
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 Apr 30, 8:59 PM CST, 3 hours 1 minute earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 959 PM CDT MON APR 30 2007 .UPDATE... CANCELLED THE WATCH AS ELEVATED MCS MOVED EAST OF WATCH AND NEW BATCH OF STORMS IN NORTHWEST WISCONSIN REMAINS NORTH AND WEST OF AREA FOR A WHILE. CERTAINLY COULD BE MORE SMALL HAIL LATER TONIGHT THOUGH HOPEFULLY LAPSE RATES TOOK A BEATING FROM FIRST ROUND OF STORMS. WE DID NOT GET MUCH FROM FIRST ROUND SO HOPEFULLY HAIL WILL REMAIN IN THE PEA TO MARBLE RANGE OVERNIGHT. DID SOME COSMETIC CHANGES TO GRIDS AND ZONES THROUGH 12Z GIVEN AFFECTS OF CONVECTIVE COLD POOL. TRIMMED POPS IN THE SOUTHWEST SINCE ACTIVITY SHOULD REMAIN ELEVATED WELL NORTH OF SURFACE FRONT IN STRONG ISENTROPIC ASCENT IN 850-700 MB LAYER. && .MKX WATCHES/WARNINGS/ADVISORIES... NONE. && CRAVEN/02
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 950 PM CDT MON APR 30 2007 WIZ046-047-051-052-056>060-062>072-010945- MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE- WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE- LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA- 950 PM CDT MON APR 30 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL WISCONSIN...SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN. .DAY ONE...TONIGHT NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED NORTH OF A LINE FROM THE DELLS TO MILWAUKEE. SHOWERS AND THUNDERSTORMS ARE POSSIBLE TO THE SOUTH OF THE LINE. SEVERE WEATHER IS NOT EXPECTED...THOUGH SMALL HAIL MAY OCCUR WITH THE THUNDERSTORMS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THERE IS A CHANCE FOR THUNDERSTORMS FOR SOUTH CENTRAL WISCONSIN SATURDAY NIGHT...AND FOR ALL OF SOUTHERN WISCONSIN SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTERS WILL NOT BE NEEDED. LMZ643>646-665-010945- 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- 950 PM CDT MON APR 30 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE MICHIGAN. .DAY ONE...TONIGHT NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED...ESPECIALLY NORTH OF NORTH POINT LIGHTHOUSE. SMALL HAIL IS POSSIBLE ALONG WITH WIND GUSTS TO 25 KNOTS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THERE IS A CHANCE FOR THUNDERSTORMS SUNDAY. WWW.WEATHER.GOV/MKX CRAVEN
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 835 PM CDT MON APR 30 2007 WIZ046-047-051-052-056>060-062>072-010235- 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 835 PM CDT MON APR 30 2007 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTH CENTRAL AND SOUTHWEST WISCONSIN... SEVERE THUNDERSTORM WATCH NUMBER 204 REMAINS IN EFFECT FOR SOUTH CENTRAL WISCONSIN COUNTIES OF IOWA...DANE...SAUK..COLUMBIA...AND MARQUETTE COUNTIES UNTIL MIDNIGHT. SCATTERED THUNDERSTORMS EXTENDING IN A LINE FROM SPRING GREEN...TO MADISON...TO WATERTOWN...TO NORTH OF MENOMONEE FALLS CONTINUE TO MOVE EAST SOUTH EAST AT 30 MPH. THESE STORMS WILL MAINLY AFFECT THE AREA AROUND AND JUST NORTH OF INTERSTATE 94 FROM MADISON TO MILWAUKEE THROUGH 930 PM. THE MAIN SEVERE WEATHER HAZARD ASSOCIATED WITH THESE STORMS IS LARGE HAIL. DANGEROUS LIGHTNING AND BRIEF HEAVY DOWNPOURS WILL ACCOMPANY THE STORMS. MOTORISTS SHOULD WATCH OUT FOR PONDING WATER ON ROADS AND LOW VISIBILITIES DRIVING THROUGH OR NEAR THESE STORMS. KRR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
842 PM CDT MON APR 30 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0825 PM HAIL 1 SW WATERTOWN 43.18N 88.74W
04/30/2007 M0.50 INCH JEFFERSON WI TRAINED SPOTTER
&&
GDSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 855 PM CDT MON APR 30 2007 WIZ046-047-051-052-056>060-062>072-010235- 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 855 PM CDT MON APR 30 2007 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR PORTIONS OF SOUTHCENTRAL WISCONSIN... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE SOUTH CENTRAL WISCONSIN COUNTIES OF IOWA...DANE...SAUK..COLUMBIA...AND MARQUETTE COUNTIES UNTIL MIDNIGHT. SCATTERED STRONG THUNDERSTORMS EXTEND ALONG AND JUST NORTH OF INTERSTATE 94 FROM EAST OF MADISON TO DELAFIELD. THESE STORMS WERE MOVING EAST SOUTH EAST AT 30 MPH AND HAVE A HISTORY OF PRODUCING SMALL HAIL. THE CITIES OF WAUKESHA..BROOKFIELD...JEFFERSON AND JOHNSON CREEK WILL BE AFFECTED BY THESE THUNDERSTORM BY 930 PM. THE MAIN SEVERE WEATHER HAZARD ASSOCIATED WITH THESE STORMS IS LARGE HAIL TO THREE QUARTER INCH DIAMETER. FREQUENT DANGEROUS LIGHTNING AND HEAVY DOWNPOURS ALSO ACCOMPANY THE STORMS. MOTORISTS SHOULD EXERCISE CAUTION DRIVING THROUGH OR NEAR THESE STORMS. KRR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
925 PM CDT MON APR 30 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0917 PM HAIL MILWAUKEE 43.06N 87.97W
04/30/2007 E0.25 INCH MILWAUKEE WI TRAINED SPOTTER
DOWNTOWN MILWAUKEE.
0920 PM HAIL MILWAUKEE 43.06N 87.97W
04/30/2007 M0.25 INCH MILWAUKEE WI NWS EMPLOYEE
UNIVERSITY OF MILWAUKEE.
&&
GDPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
928 PM CDT MON APR 30 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0925 PM HAIL 8 N ELKHORN 42.79N 88.54W
04/30/2007 M0.50 INCH WALWORTH WI TRAINED SPOTTER
&&
GDPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
940 PM CDT MON APR 30 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0938 PM HAIL WATERFORD 42.76N 88.22W
04/30/2007 E0.50 INCH RACINE WI CO-OP OBSERVER
DIME SIZED HAIL AND 20 MPH WINDS.
&&
CRAVENThe Milwaukee radar (KMKX), 92 km away, was scanning. The volume nearest the first event began at 06:02 UTC.
2 lightning. Local standard time, as filed.
Lightning struck an older home that was subsequently destroyed by a fire. No one was at home at that time.
Lightning struck a barn that was subsequently destroyed by a fire. All of the animals escaped, and stored tools were saved. Only a minor amount of hay was lost.
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, May 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: 35506, 35663.