Overview
Severe thunderstorms tracked through southern Wisconsin late Wednesday afternoon through Wednesday night. Conditions were favorable for rotating storms, so a tornado watch was in place. Several storms produced straight-line wind damage, with two tornadoes confirmed in Green County and one more in Rock County. Very heavy rain impacted many areas, with flash flooding closing several roads in Lafayette County. |
Tornadoes:
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Tornado #1 - 3 SSW Monticello
Track Map
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Tornado #2 - 5 S Monticello
Track Map
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Tornado #3 - West of Janesville
Track Map
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The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:
EF0 Weak 65-85 mph |
EF1 Moderate 86-110 mph |
EF2 Significant 111-135 mph |
EF3 Severe 136-165 mph |
EF4 Extreme 166-200 mph |
EF5 Catastrophic 200+ mph |
Wind & Hail:
Multiple storms produced wind damage, with many reports of trees down across southern Wisconsin. A few storms had some pea-sized hail, but there were no reports of large hail in south central or southeast Wisconsin. Below is a sampling of wind damage photos.
Wind
Caption | Caption | Caption | Caption |
Radar:
Here is a radar loop showing the storms moving through southern Wisconsin from approximately 5 to 10 PM.
Storm Reports
Local Storm Reports:
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
124 PM CDT THU JUN 29 2017
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0557 PM TSTM WND DMG 7 W LINDEN 42.92N 90.41W
06/28/2017 IOWA WI TRAINED SPOTTER
NUMEROUS POWER LINES DOWNED AND A FEW LARGE TRANSMISSION
LINES DOWNED.
0601 PM TSTM WND DMG COBB 42.97N 90.33W
06/28/2017 IOWA WI TRAINED SPOTTER
SEVERAL POWER LINES DOWNED.
0607 PM TSTM WND DMG 2 SE MINERAL POINT 42.84N 90.16W
06/28/2017 IOWA WI EMERGENCY MNGR
A FARM BUILDING WAS DESTROYED.
0615 PM TSTM WND DMG 1 N WATERTOWN 43.21N 88.72W
06/28/2017 DODGE WI PUBLIC
SEVERAL TREES DOWN ON NORTH SIDE OF WATERTOWN FROM FIRST
STORM. TIME ESTIMATED FROM RADAR.
0649 PM TSTM WND DMG HUBERTUS 43.24N 88.22W
06/28/2017 WASHINGTON WI TRAINED SPOTTER
MULTIPLE TREES SNAPPED
0649 PM TSTM WND DMG 1 NE SUSSEX 43.15N 88.20W
06/28/2017 WAUKESHA WI CO-OP OBSERVER
SEVERAL TREES WERE DOWNED AND SEVERAL TREES HAD LARGE
BRANCHES TORN OFF.
0650 PM TSTM WND DMG 5 E MONROE 42.60N 89.54W
06/28/2017 GREEN WI EMERGENCY MNGR
TREES AND POWERLINES DOWNED.
0652 PM TSTM WND DMG SW GERMANTOWN 43.22N 88.12W
06/28/2017 WASHINGTON WI PUBLIC
MULTIPLE TREES DOWNED AT THE BLACKSTONE CREEK GOLF
COURSE.
0652 PM TSTM WND DMG LANNON 43.15N 88.16W
06/28/2017 WAUKESHA WI PUBLIC
MULTIPLE TREES SNAPPED.
0653 PM TSTM WND DMG GERMANTOWN 43.22N 88.12W
06/28/2017 WASHINGTON WI TRAINED SPOTTER
A HEATING UNIT WAS RIPPED OFF OF THE ROOF OF A BUILDING.
0720 PM TSTM WND DMG ORFORDVILLE 42.63N 89.26W
06/28/2017 ROCK WI EMERGENCY MNGR
WIDESPREAD TREE DAMAGE ACROSS SOUTHWESTERN ROCK COUNTY.
0725 PM TSTM WND DMG WATERLOO 43.18N 88.99W
06/28/2017 JEFFERSON WI TRAINED SPOTTER
2.5 FOOT TREE TRUNK SNAPPED.
0740 PM TSTM WND DMG FORT ATKINSON 42.93N 88.84W
06/28/2017 JEFFERSON WI NWS EMPLOYEE
SEVERAL LARGE BRANCHES DOWN.
0831 PM TSTM WND DMG 1 S TWIN LAKES 42.50N 88.26W
06/28/2017 KENOSHA WI PUBLIC
MULTIPLE TREES IN A PATH WITH LARGE BRANCHES BROKEN OFF.
0835 PM TSTM WND DMG 3 ESE TWIN LAKES 42.50N 88.20W
06/28/2017 KENOSHA WI PUBLIC
MULTIPLE TREES DESTROYED. PHOTOS RELAYED VIA SOCIAL
MEDIA.
0841 PM TSTM WND DMG SALEM 42.55N 88.11W
06/28/2017 KENOSHA WI 911 CALL CENTER
A TREE FELL ON A HOUSE AND THROUGH THE ROOF
1215 AM TSTM WND DMG 1 S BRODHEAD 42.61N 89.38W
06/29/2017 GREEN WI TRAINED SPOTTER
AT LEAST 6 PINE TREES WERE DOWNED.
0115 AM TSTM WND DMG WALWORTH 42.53N 88.60W
06/29/2017 WALWORTH WI EMERGENCY MNGR
MULTIPLE TREES DOWN ACROSS THE TOWN.
0135 AM TSTM WND DMG PELL LAKE 42.54N 88.35W
06/29/2017 WALWORTH WI 911 CALL CENTER
NUMEROUS TREES AND POWER LINES DOWN
1044 AM HEAVY RAIN 4 NW MUKWONAGO 42.91N 88.39W
06/29/2017 M2.20 INCH WAUKESHA WI TRAINED SPOTTER
24 HOUR TOTAL.
1044 AM HEAVY RAIN MONROE 42.60N 89.64W
06/29/2017 E3.00 INCH GREEN WI PUBLIC
24 HOUR RAIN.
1044 AM HEAVY RAIN 7 NW JANESVILLE 42.76N 89.11W
06/29/2017 M2.48 INCH ROCK WI TRAINED SPOTTER
24 HOUR RAIN TOTAL
1044 AM HEAVY RAIN 3 N BUTLER 43.15N 88.07W
06/29/2017 M2.62 INCH WAUKESHA WI TRAINED SPOTTER
1044 AM HEAVY RAIN NEW GLARUS 42.81N 89.63W
06/29/2017 M2.76 INCH GREEN WI PUBLIC
24 HOUR RAIN
&&
$$
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