Scattered thunderstorms developed along a cold front as itr crossed Wisconsin during the afternoon of July 26th, producing gusty winds and small hail. A single cell strengthened to severe levels over the city of Fond Du Lac, producing wind gusts measured at Marian University at 58 mph (50 knots).
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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.
Scattered thunderstorms developed along a cold front as itr crossed Wisconsin during the afternoon of July 26th, producing gusty winds and small hail. A single cell strengthened to severe levels over the city of Fond Du Lac, producing wind gusts measured at Marian University at 58 mph (50 knots). A tree was blown down on a garage on the east side of the city. The tree also brought down a few 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 Jul 26, 2:32 PM CST, 48 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 332 PM CDT FRI JUL 26 2013 .VERY SHORT TERM...TONIGHT AND SATURDAY...FORECAST CONFIDENCE...MEDIUM TO HIGH FIRST OF TWO ROUNDS OF PRECIP IS EXITING SOUTHEAST WISCONSIN THIS AFTERNOON...WHILE A LINE OF SHOWERS AND STORMS ALONG AND AHEAD OF A COLD FRONT PUSHES INTO THE WESTERN FORECAST AREA. SOME OF THE STORMS COULD BECOME STRONG TO SEVERE AS THE FRONT AND LINE OF STORMS PUSHES EASTWARD THROUGH THE LATE AFTERNOON. THE MAIN SEVERE THREAT IS LARGE HAIL...THOUGH STORMS HAVE STAYED ON THE WEAKER END SO FAR PARTLY DUE TO LIMITED HEATING PRIOR TO THE ARRIVAL OF THE FRONT. THE SHOWERS/STORMS WILL EXIT THE SOUTHEAST FORECAST AREA THIS EVENING...WITH DRY WEATHER THEN EXPECTED OVERNIGHT. THOUGH CLOUDS MAY DECREASE FOR A TIME BEHIND THE FRONT...SHOULD SEE LOWER CLOUDS FILL BACK IN AS THE COLD POOL BEGINS TO PUSH INTO THE AREA. THUS STAYED AWAY FROM COOLEST MODEL LOWS FOR TONIGHT. COULD SEE A FEW SHOWERS LATE TOMORROW MORNING AND INTO THE AFTERNOON WITH THE COOL AIRMASS ALOFT. WILL BE A GOOD AMOUNT OF CLOUDS AGAIN. LOWERED HIGH TEMPS A BIT MORE GIVEN LATEST MODEL 925 MB TEMPS ONLY GETTING UP TO AROUND 11C IN THE AFTERNOON. THROW IN NORTHWEST WINDS A BIT ON THE BREEZY SIDE AND IT SHOULD FEEL A BIT MORE LIKE SEPTEMBER THAN JULY TOMORROW. .SHORT TERM...SATURDAY NIGHT THROUGH MONDAY. ALL MODELS SHOWING VIGOROUS VORT MAX ROTATING SE FROM N CNTRL WI TO CNTRL LK MI AROUND CENTER OF CLOSED 500 MB LOW BETWEEN 00Z SUN AND 12Z SUN. LOW SLOWLY PULLS AWAY TO THE NE REACHING SSM BY 00Z MONDAY AND GEORGIAN BAY BY 12Z MONDAY. SATURDAY NIGHT AND SUNDAY...FORECAST CONFIDENCE MEDIUM TO HIGH. COLD POOL ASSOCIATED WITH VORT MAX SETTLES OVER THE REGION WITH 850 MB TEMPS FALLING TO +2C TO +5C...AND 925 MB TEMPS +6C TO +8C. EXPECTED CLOUD COVER WILL LIMIT COOLING SATURDAY NIGHT...THOUGH LOW TEMPERATURES WILL STILL PUSH RECORD LOWS FOR THE DATE OF 52 IN MILWAUKEE AND 47 IN MADISON. SOME SLIGHT UPWARD MODIFICATION OF 850-925MB TEMPS BY 00Z MONDAY...BUT CYCLONIC FLOW AND ENOUGH INSTABILITY ON FORECAST SOUNDINGS TO WARRANT KEEPING SLIGHT CHANCE POPS IN ALL BUT THE SW...WITH CHANCE POPS IN THE NORTHEAST UNDER THE BACK EDGE OF THE COLDER TEMPS. CLOUDS AND COOL AIR WILL BRING ANOTHER DAY OF HIGHS ONLY IN THE MID-UPPER 60S. SUNDAY NIGHT AND MONDAY...FORECAST CONFIDENCE MEDIUM TO HIGH. CYCLONIC FLOW SHIFTS EAST WITH LOW AND SHORT WAVE RIDGING BUILDS IN SUNDAY NIGHT...KEEPING AREA DRY THROUGH MONDAY. SURFACE HIGH PRESSURE RIDGE AXIS CENTERED OVER STATE WITH MORE SUNSHINE BUT STILL BELOW NORMAL HIGHS...THOUGH READINGS DO GET BACK INTO THE 70S. .LONG TERM...MONDAY NIGHT THROUGH FRIDAY. FORECAST CONFIDENCE LOW TO MEDIUM. MID-RANGE MODELS ARE IN BETTER AGREEMENT HANDLING WEAK SHORT WAVES EARLY IN THE WEEK AND SHORT WAVE TROUGH DIGGING ACROSS THE NORTHERN LAKES MID-WEEK...BUT STILL DIFFER ON THE DETAILS. THIS MUDDLES THE CONSENSUS BLEND WITH ONGOING LOW CHANCE/SLIGHT CHANCE POPS. WILL LEAN MORE TOWARD THE ECMWF AND GFS THAT KEEP WEAK SHORT WAVE ENERGY WELL SOUTH ACROSS THE CENTRAL PLAINS AND THE OHIO RVR VALLEY MONDAY NIGHT TUESDAY AND IGNORE THE CANADIAN GEM THAT BRINGS A STRONGER WAVE FARTHER NORTH INTO THE STATE. HOWEVER COLLABORATION KEEPS LOW CHANCE POPS IN FOR TUESDAY THOUGH IT IS A LOW-CONFIDENCE FORECAST. BETTER CHANCE WEDNESDAY WITH DIGGING WAVE AND PASSAGE OF COLD FRONT TRAILING FROM ASSOCIATED SURFACE LOW. KEEPING SMALL CHANCES FOR THE REST OF THE WEEK AS MODELS DIVERGE AGAIN WITH EVOLUTION OF UPPER PATTERN AND TRACKS OF SHORT WAVE ENERGY THROUGH THE REGION. && .AVIATION/00Z TAFS/... FIRST OF TWO ROUNDS OF PRECIP IS EXITING SOUTHEAST WISCONSIN THIS AFTERNOON...WHILE A LINE OF SHOWERS AND STORMS ALONG AND AHEAD OF A COLD FRONT PUSHES INTO THE WESTERN FORECAST AREA. SOME OF THE STORMS COULD BECOME STRONG TO SEVERE AS THE FRONT AND LINE OF STORMS PUSHES EASTWARD THROUGH THE AFTERNOON HOURS. THE MAIN THREAT IS LARGE HAIL...THOUGH STORMS HAVE STAYED ON THE WEAKER END SO FAR PARTLY DUE TO LIMITED HEATING PRIOR TO THE ARRIVAL OF THE FRONT. THE SHOWERS/STORMS WILL EXIT THE SOUTHEAST FORECAST AREA THIS EVENING...WITH DRY WEATHER THEN EXPECTED OVERNIGHT. COULD SEE A FEW SHOWERS LATE TOMORROW MORNING AND INTO THE AFTERNOON. STILL QUITE A MIX OF CONDITIONS OUT THERE RIGHT NOW...FROM VFR CIGS WEST TO MAINLY IFR/MVFR CIGS EAST. WILL LIKELY SEE AN OVERALL IMPROVEMENT AS THE COLD FRONT MOVES THROUGH....THOUGH MVFR STRATUS THEN POSSIBLE LATE EVENING AND OVERNIGHT AS THE COLD POOL MOVES IN BEHIND THE DEPARTING COLD FRONT. COULD SEE MVFR CIGS LINGER INTO TOMORROW AFTERNOON. && .MARINE... SOUTHWEST WINDS WILL REMAIN BREEZY INTO LATE AFTERNOON AHEAD OF AN APPROACHING COLD FRONT...WITH A FEW GUSTS TO 25 KNOTS POSSIBLE. OVERALL THOUGH...EXPECTING GUSTS TO REMAIN BELOW SMALL CRAFT ADVISORY LEVELS. WINDS WILL BECOME A BIT LIGHTER AND TURN TO THE NORTHWEST LATE AFTERNOON INTO EARLY EVENING BEHIND THE FRONT. NORTHWEST WINDS WILL BE ON THE BREEZY SIDE SATURDAY...WITH GUSTS TO AROUND 20 KNOTS LIKELY. && .MKX WATCHES/WARNINGS/ADVISORIES... WI...NONE. LM...NONE. && TONIGHT/SATURDAY AND AVIATION/MARINE...DDV SATURDAY NIGHT THROUGH FRIDAY...REM
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 344 PM CDT FRI JUL 26 2013 WIZ046-047-051-052-056>060-062>072-272045- MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE- WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE- LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA- 344 PM CDT FRI JUL 26 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL WISCONSIN...SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN. .DAY ONE...TONIGHT THUNDERSTORMS AHEAD OF AN APPROACHING COLD FRONT WILL CLEAR FAR SOUTHEAST WISCONSIN EARLY THIS EVENING. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS WITH THE PRIMARY THREAT BEING DAMAGING WIND AND LARGE HAIL. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH FRIDAY THE CHANCE FOR THUNDERSTORMS RETURNS MONDAY NIGHT AND CONTINUES AT TIMES INTO FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON AND EARLY EVENING. LMZ643>646-272045- 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- 344 PM CDT FRI JUL 26 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE MICHIGAN. .DAY ONE...TONIGHT THUNDERSTORMS WILL CLEAR THE NEARSHORE WATERS EARLY THIS EVENING...AND MOVE EAST OF MID-LAKE BY THE MID-EVENING HOURS AS A COLD FRONT TRACKS ACROSS THE AREA. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS WITH THE PRIMARY THREAT BEING DAMAGING WIND AND LARGE HAIL. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH FRIDAY THE CHANCE FOR THUNDERSTORMS RETURNS MONDAY NIGHT AND CONTINUES AT TIMES INTO FRIDAY. REM WWW.WEATHER.GOV/MKX
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 206 PM CDT FRI JUL 26 2013 WIZ046-047-057-261930- COLUMBIA-GREEN LAKE-MARQUETTE- 206 PM CDT FRI JUL 26 2013 ...STRONG THUNDERSTORM MOVING ACROSS NORTHERN COLUMBIA COUNTY... AT 204 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR PORTAGE...MOVING EAST AT 35 MPH. PENNY SIZE HAIL...FREQUENT CLOUD TO GROUND LIGHTNING...BRIEF HEAVY DOWNPOURS...ARE POSSIBLE WITH THIS STORM. * THE THUNDERSTORM WILL BE NEAR... PARDEEVILLE BY 220 PM CDT... STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED. REM
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
337 PM CDT FRI JUL 26 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0329 PM TSTM WND GST JUNEAU DODGE AIRPORT 43.43N 88.70W
07/26/2013 M48 MPH DODGE WI AWOS
SUSTAINED WINDS OF 31 MPH.
&&
DDVSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 337 PM CDT FRI JUL 26 2013 WIZ058>060-262130- DODGE-OZAUKEE-WASHINGTON- 337 PM CDT FRI JUL 26 2013 ...STRONG THUNDERSTORM MOVING INTO EASTERN DODGE COUNTY... AT 335 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 4 MILES SOUTHEAST OF JUNEAU...MOVING EAST AT 40 MPH. PENNY SIZE HAIL...WINDS GREATER THAN 40 MPH...FREQUENT CLOUD TO GROUND LIGHTNING...BRIEF HEAVY DOWNPOURS...ARE POSSIBLE WITH THIS STORM. * THE THUNDERSTORM WILL BE NEAR... HARTFORD BY 355 PM CDT... SLINGER BY 400 PM CDT... WEST BEND AIRPORT AND WEST BEND BY 410 PM CDT... NEWBURG BY 420 PM CDT... SAUKVILLE AND GRAFTON BY 425 PM CDT... PORT WASHINGTON BY 430 PM CDT... GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED. MEB
The Green Bay radar (KGRB), 84 km away, was scanning. The volume nearest the first event began at 21:21 UTC.
1 thunderstorm wind. Local standard time, as filed.
Thunderstorm wind gusts measured at 58 mph (50 knots) blew a tree down on a garage on the east side of Fond Du Lac, and also brought down a few power lines.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wisconsin in 2013Every state in 2013This day in weather historyWarnings in Wisconsin, July 2013
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: 470949.