Isaias is expected to strengthen and be a strong hurricane when it approaches the northern Gulf Coast on Friday. Damaging hurricane-force winds and life-threatening storm surge impacts are expected Friday into Saturday. Isaias will bring heavy rainfall to the northern Gulf Coast and much of the Southeast U.S. Friday into the weekend. Read More >
Overview
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It was an active day across southern Wisconsin on Sunday, June 30, 2019! A line of strong to severe thunderstorms arrived during the mid to late morning, pushed across all of southern Wisconsin, then exited south into Illinois by early afternoon. A second line of storms developed over west central Wisconsin during the mid afternoon and pushed south down the Mississippi River, bringing strong and damaging winds to Lafayette county, southwest of Madison. |
 Hartland - Jeff Semrad |
Wind:
Although there was some hail reported with the storms, this was primarily a straight-line wind event day. Many locations reported trees down/damage. Many lost power. The first line of storms entered our forecast around around 10 am and exited south into Illinois by 2 pm. The second line pushed into Sauk County just after 4 pm and moved south into Illinois by around 6 pm. All pictures below are from the first line of storms.
Wind
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| First Line Of Severe Storms | Second Line Of Severe Storms | Ashippun - Tricia Logue | Oconomowoc - Jessica Godfroy |
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| Oconomowoc - Rachel Kaye | Allenton - Jake Stehli | Mequon - Alex Hallam | Columbus - Rod Melotte |
Storm Reports
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
235 PM CDT SUN JUN 30 2019
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0119 PM HEAVY RAIN 1 W DELAFIELD 43.06N 88.42W
06/30/2019 M1.58 INCH WAUKESHA WI PUBLIC
0117 PM HEAVY RAIN 1 S WATERTOWN 43.18N 88.72W
06/30/2019 M0.94 INCH JEFFERSON WI PUBLIC
0103 PM TSTM WND DMG 1 SSW PADDOCK LAKE 42.55N 88.11W
06/30/2019 KENOSHA WI PUBLIC
TREES DOWN ACROSS THE ROAD.
0103 PM TSTM WND GST SILVER LAKE 42.55N 88.16W
06/30/2019 M58 MPH KENOSHA WI TRAINED SPOTTER
NUMEROUS LARGE TREES UPROOTED AND SNAPPED IN
HALF. NUMEROUS POWER LINES DOWN.
1253 PM TSTM WND DMG 1 W GENOA CITY 42.50N 88.34W
06/30/2019 WALWORTH WI PUBLIC
WIND DAMAGED A TRANSFORMER IN THE AREA NEAR
RIDGEVIEW DRIVE AND COUNTY ROAD B.
1250 PM TSTM WND DMG 3 NNW SILVER LAKE 42.60N 88.18W
06/30/2019 KENOSHA WI PUBLIC
SEVERAL TREE BRANCHES DOWN.
1242 PM TSTM WND GST 3 N NEW BERLIN 43.01N 88.13W
06/30/2019 E50 MPH WAUKESHA WI TRAINED SPOTTER
1240 PM TSTM WND DMG PELL LAKE 42.54N 88.36W
06/30/2019 WALWORTH WI PUBLIC
LARGE TREE LIMBS DOWN. ESTIMATED 60 MPH
GUSTS.
1230 PM TSTM WND DMG 5 NNE MUKWONAGO 42.93N 88.30W
06/30/2019 WAUKESHA WI TRAINED SPOTTER
LARGE TREE DOWN.
1228 PM TSTM WND DMG DOUSMAN 43.01N 88.47W
06/30/2019 WAUKESHA WI PUBLIC
LARGE BRANCHES SNAPPED OFF.
1225 PM TSTM WND DMG FONTANA-ON-GENEVA 42.55N 88.57W
06/30/2019 WALWORTH WI 911 CALL CENTER
TREE DAMAGE THROUGHOUT THE COUNTY. FONTANA
IS ONE OF THE HARD HIT AREAS.
1225 PM TSTM WND DMG DELAVAN 42.63N 88.63W
06/30/2019 WALWORTH WI 911 CALL CENTER
TREE DAMAGE THROUGHOUT THE COUNTY. DELAVAN
IS ONE HARD HIT AREA.
1200 PM TSTM WND DMG 1 ENE OCONOMOWOC 43.11N 88.49W
06/30/2019 WAUKESHA WI PUBLIC
WIDESPREAD WIND DAMAGE IN WAUKESHA COUNTY
ESPECIALLY IN THE OCONOMOWOC AREA.
1200 PM TSTM WND DMG 1 ESE HARTFORD 43.32N 88.37W
06/30/2019 WASHINGTON WI PUBLIC
LARGE TREE BRANCH DOWN.
1155 AM TSTM WND DMG 1 SW LAC LA BELLE 43.13N 88.53W
06/30/2019 WAUKESHA WI PUBLIC
TWO LARGE TREE BRANCHES DOWN.
1145 AM TSTM WND DMG IXONIA 43.15N 88.59W
06/30/2019 JEFFERSON WI PUBLIC
WIDESPREAD WIND DAMAGE THROUGHOUT THE COUNTY
PARTICULARLY IN THE IXONIA AREA.
1142 AM TSTM WND DMG 5 N LAC LA BELLE 43.21N 88.52W
06/30/2019 DODGE WI PUBLIC
SIDING BLOWN OFF OF A HOUSE IN ASHIPPUN.
1140 AM TSTM WND GST 1 SSW WATERTOWN 43.18N 88.73W
06/30/2019 M58 MPH JEFFERSON WI COCORAHS
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1135 AM TSTM WND GST 2 N JUNEAU 43.43N 88.70W
06/30/2019 M50 MPH DODGE WI AWOS
.
1135 AM TSTM WND DMG HORICON 43.45N 88.64W
06/30/2019 DODGE WI LAW ENFORCEMENT
TREES DOWN ACROSS THE AREA.
1135 AM TSTM WND DMG 1 ENE SUN PRAIRIE 43.19N 89.22W
06/30/2019 DANE WI PUBLIC
TREES DOWN.
1130 AM TSTM WND DMG JUNEAU 43.41N 88.71W
06/30/2019 DODGE WI LAW ENFORCEMENT
HWY 26 LARGE TREE DOWN BLOCKING ROAD.
1125 AM TSTM WND DMG 6 SE CLYMAN 43.26N 88.63W
06/30/2019 DODGE WI PUBLIC
TWO YOUNG TREES SNAPPED AT THEIR BASE.
1125 AM HAIL ARENA 43.16N 89.91W
06/30/2019 M0.70 INCH IOWA WI PUBLIC
RELAYED BY WKOW.
1116 AM TSTM WND DMG LAKE DELTON 43.59N 89.78W
06/30/2019 SAUK WI 911 CALL CENTER
SCATTERED TREES DOWN WITH SOME BEING LARGE.
1115 AM TSTM WND GST 1 NE COLUMBUS 43.34N 89.02W
06/30/2019 M52 MPH COLUMBIA WI PUBLIC
SOCIAL MEDIA MEASURED WITH ANEMOMETER.
1100 AM TSTM WND DMG POYNETTE 43.39N 89.40W
06/30/2019 COLUMBIA WI 911 CALL CENTER
SCATTERED TREES DOWN.
1050 AM TSTM WND DMG WYOCENA 43.50N 89.31W
06/30/2019 COLUMBIA WI 911 CALL CENTER
WIDESPREAD TRESS DOWN.
1040 AM TSTM WND DMG PORTAGE 43.54N 89.46W
06/30/2019 COLUMBIA WI 911 CALL CENTER
WIDESPREAD TREES DOWN WITH SOME BEING LARGE.
1040 AM TSTM WND DMG MONTELLO 43.79N 89.32W
06/30/2019 MARQUETTE WI 911 CALL CENTER
CORRECTS PREVIOUS TSTM WND DMG REPORT FROM
MONTELLO. SCATTERED TREES DOWN THROUGHOUT
THE COUNTY.
1030 AM TSTM WND DMG 1 ENE PRAIRIE DU SAC 43.30N 89.71W
06/30/2019 COLUMBIA WI 911 CALL CENTER
SCATTERED TREES DOWN WITH A FEW LARGE TREES.
1030 AM TSTM WND DMG 1 NNE BARABOO 43.48N 89.74W
06/30/2019 SAUK WI 911 CALL CENTER
SCATTERED TREES DOWN WITH A FEW LARGE TREES.
1025 AM TSTM WND DMG ENDEAVOR 43.72N 89.47W
06/30/2019 MARQUETTE WI LAW ENFORCEMENT
WIND BRANCHES DOWN. ESTIMATED 50-60MPH
GUSTS.
1020 AM TSTM WND DMG LAKE DELTON 43.59N 89.78W
06/30/2019 SAUK WI 911 CALL CENTER
CORRECTS PREVIOUS TSTM WND DMG REPORT FROM
LAKE DELTON. SCATTERED TREES DOWN WITH SOME
BEING LARGE.
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