A storm system moving over the Rockies today will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Heavy snow expected from northwestern Wyoming into southern Montana. Ongoing heavy showers and thunderstorms from Invest 96W could result in localized flash flooding, particularly in central or southern Guam early this morning. Read More >
Overview
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A very unstable air mass led to two rounds of thunderstorms across Wisconsin on Thursday, July 21, 2016. The first round moved across northern and central Wisconsin during the morning and contained damaging winds. The second round moved across central and southern Wisconsin during the evening which resulted in damaging winds and flash flooding. |
 Radar Loop of Thunderstorms on July 21, 2016 |
Wind:
We received a lot of reports of trees down, but we did not get many pictures of storm damage. If you're okay with us posting them on this website, please email them to w-mkx.webmaster@noaa.gov or post them on Twitter (@NWSMKX) or our Facebook page (/NWSMilwaukee).
Wind
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| Shed Roof Blown Off North of Waterloo | Tree Snapped in Saukville | Watertown | Tree Blown Over on Sign |
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| Tree Down in Friesland | Tree Down in Friesland | Friesland Damage on House | Tree on Truck |
Flooding
There were numerous reports of flash flooding in Madison. While the southwest side of Madison received the highest rainfall amounts, widespread 2 to 3 inches within the city wreaked havoc on city streets, parking lots, and underpasses. The rainfall total for Dane County Regional Airport was 3.10 inches.
Here are some rainfall totals around southern Wisconsin:
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| 24 Hour Estimated Precipitation Total ending at 3 am Friday |
Extreme Scud Cloud
We received many pictures and reports of what appears to be an extreme scud cloud that occurred near Kenosha/Racine once the line of storms hit the lake. This cloud was very ominous-looking, but NOT a tornado. Check out our Facebook page for more images.
Photos
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| Image sent to us by Ralph Belliveau of Pleasant Prairie area | Many people posted additional pictures on the NWS Milwaukee/Sullivan Facebook Page. Check them out and add to them! |
Storm Reports
PRELIMINARY LOCAL STORM REPORT...SUMMARY NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 950 PM CDT THU JUL 21 2016 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0811 PM FLASH FLOOD 1 WSW MADISON 43.08N 89.40W 07/21/2016 DANE WI FIRE DEPT/RESCUE MULTIPLE INTERSECTIONS ON THE WEST-SOUTHWEST SIDE OF THE CITY ARE IMPASSABLE. 0800 PM FLASH FLOOD JANESVILLE 42.68N 89.02W 07/21/2016 ROCK WI 911 CALL CENTER MULTIPLE ROADS IMPASSABLE. 0800 PM FLASH FLOOD BELOIT 42.52N 89.02W 07/21/2016 ROCK WI 911 CALL CENTER MULTIPLE ROADS IMPASSABLE. 0739 PM FLASH FLOOD 2 SSW SHOREWOOD HILLS 43.05N 89.47W 07/21/2016 DANE WI AMATEUR RADIO ODANA ROAD AND DEARHOLT ROAD IMPASSABLE. 0620 PM HAIL MOUNT HOREB 43.01N 89.74W 07/21/2016 M0.88 INCH DANE WI PUBLIC 0900 PM HEAVY RAIN 3 NE MAPLE BLUFF 43.14N 89.33W 07/21/2016 M2.79 INCH DANE WI ASOS 1.94 INCHES FROM 6 TO 7 PM. 0855 PM HEAVY RAIN MIDDLETON 43.10N 89.51W 07/21/2016 M2.88 INCH DANE WI AWOS 0741 PM HEAVY RAIN OREGON 42.93N 89.38W 07/21/2016 M2.51 INCH DANE WI TRAINED SPOTTER .41 INCHES IN PAST 10 MINUTES. 2.05 INCHES IN 50 MINUTES ENDING AT 730PM. 3/4 OF NEIGHBORS YARD COVERED IN STANDING WATER. 0859 PM HEAVY RAIN 6 SSW EDGERTON 42.76N 89.11W 07/21/2016 M2.21 INCH ROCK WI TRAINED SPOTTER FELL IN 2.5 HOURS. 0834 PM HEAVY RAIN EVANSVILLE 42.78N 89.30W 07/21/2016 M2.40 INCH ROCK WI AMATEUR RADIO RAINFALL FROM 630 TO 830 PM. 0730 PM HEAVY RAIN 1 ENE CROSS PLAINS 43.12N 89.63W 07/21/2016 M2.25 INCH DANE WI AMATEUR RADIO RAINFALL FELL IN 60 MINUTES. 0716 PM HEAVY RAIN 3 NE MAPLE BLUFF 43.14N 89.33W 07/21/2016 M2.41 INCH DANE WI ASOS 1055 AM NON-TSTM WND GST 2 W CUDAHY 42.95N 87.90W 07/21/2016 M45 MPH MILWAUKEE WI ASOS ASOS STATION MILWAUKEE GEN MITCHELL ARPT /MKE/. 0625 PM TSTM WND DMG AVOCA 43.19N 90.33W 07/21/2016 IOWA WI 911 CALL CENTER TREES DOWN THROUGHOUT NORTHERN IOWA COUNTY. TIME ESTIMATED FROM RADAR. 0620 PM TSTM WND DMG MILTON 42.78N 88.95W 07/21/2016 ROCK WI 911 CALL CENTER NUMEROUS TREES DOWN THROUGHOUT THE AREA. 0525 PM TSTM WND DMG BEAVER DAM 43.46N 88.84W 07/21/2016 DODGE WI AMATEUR RADIO 36 INCHES DIAMETER TREE UPROOTED. TIME ESTIMATED FROM RADAR. 0811 PM TSTM WND DMG 1 WSW MADISON 43.08N 89.40W 07/21/2016 DANE WI FIRE DEPT/RESCUE MULTIPLE INTERSECTIONS ON THE WEST-SOUTHWEST SIDE OF THE CITY ARE IMPASSABLE. 0804 PM TSTM WND DMG DARLINGTON 42.68N 90.12W 07/21/2016 LAFAYETTE WI 911 CALL CENTER NUMEROUS TREES AND POWER LINES DOWN THROUGHOUT THE COUNTY. TREES ON FIRE DUE TO DOWNED POWER LINES. 0745 PM TSTM WND DMG MINERAL POINT 42.86N 90.18W 07/21/2016 IOWA WI 911 CALL CENTER MULTIPLE TREES DOWN THROUGHOUT THE SOUTHERN PART OF THE COUNTHY. 0630 PM TSTM WND DMG WAUKESHA 43.01N 88.24W 07/21/2016 WAUKESHA WI LAW ENFORCEMENT MULTIPLE TREES DOWN ON NORTH SIDE OF CITY. 0630 PM TSTM WND DMG ELKHORN 42.67N 88.54W 07/21/2016 WALWORTH WI 911 CALL CENTER TREES DOWN ACROSS PARTS OF THE NORTHERN PART OF THE COUNTY. TIME ESTIMATED FROM RADAR. 0617 PM TSTM WND DMG 1 SE MAPLE BLUFF 43.10N 89.36W 07/21/2016 DANE WI AMATEUR RADIO HW 30 AND FAR OAK HAD 5 INCH DIAMETER TREE ACROSS ROAD. 0604 PM TSTM WND DMG JEFFERSON 43.01N 88.81W 07/21/2016 JEFFERSON WI 911 CALL CENTER TREES AND POWER LINES DOWN THROUGHOUT THE COUNTY. 0530 PM TSTM WND DMG 4 NNE WATERLOO 43.24N 88.97W 07/21/2016 DODGE WI BROADCAST MEDIA ROOF OFF OF A BARN RELAYED BY MEDIA. 0520 PM TSTM WND DMG PORTAGE 43.55N 89.47W 07/21/2016 COLUMBIA WI LAW ENFORCEMENT SHERIFF REPORTS TREES DOWN IN PARTS OF NORTHERN COLUMBIA COUNTY, NO SPECIFICS AT THIS TIME. 0515 PM TSTM WND DMG NORTH FREEDOM 43.46N 89.86W 07/21/2016 SAUK WI 911 CALL CENTER TREES AND WIRES DOWN, SOME WIRES ON CARS. ALSO TREES AND WIRES DOWN IN SAUK CITY ON HWY 12. 0508 PM TSTM WND DMG PRINCETON 43.85N 89.13W 07/21/2016 GREEN LAKE WI EMERGENCY MNGR UNKNOWN NUMBER OF TREES DOWN NEAR THE CITY. 0508 PM TSTM WND DMG 5 WSW KINGSTON 43.66N 89.21W 07/21/2016 GREEN LAKE WI EMERGENCY MNGR UNKNOWN NUMBER OF TREES DOWN AROUND THE CITY. 0506 PM TSTM WND DMG FRIESLAND 43.59N 89.07W 07/21/2016 COLUMBIA WI EMERGENCY MNGR BARN LEVELED, HOUSE DAMAGED, CAR PUSHED INTO DITCH, MULTIPLE TREES DOWN, NO INJURIES. 0505 PM TSTM WND DMG 3 W KINGSTON 43.70N 89.19W 07/21/2016 GREEN LAKE WI EMERGENCY MNGR A FEW TREES DOWN ON COUNTY ROAD B. 0450 PM TSTM WND DMG ENDEAVOR 43.71N 89.47W 07/21/2016 MARQUETTE WI 911 CALL CENTER MANY TREES AND POWER LINES DOWN THROUGHOUT THE COUNTY. 0859 AM TSTM WND DMG 6 NNE MONTELLO 43.87N 89.29W 07/21/2016 MARQUETTE WI 911 CALL CENTER TREES DOWN IN SHIELDS TOWNSHIP. 0454 PM TSTM WND GST 3 NE MAPLE BLUFF 43.14N 89.33W 07/21/2016 M63 MPH DANE WI ASOS 0555 PM TSTM WND GST 2 SSE WATERTOWN 43.17N 88.72W 07/21/2016 M51 MPH JEFFERSON WI AWOS AWOS STATION WATERTOWN /RYV/. 0648 PM TSTM WND GST 1 ENE WAUKESHA 43.02N 88.22W 07/21/2016 E60 MPH WAUKESHA WI AMATEUR RADIO 0625 PM TSTM WND GST 2 S WAUKESHA 42.98N 88.24W 07/21/2016 E60 MPH WAUKESHA WI AMATEUR RADIO 0625 PM TSTM WND GST MADISON 43.08N 89.38W 07/21/2016 E60 MPH DANE WI TRAINED SPOTTER CONSTRUCTION DAMAGE ON UW MADISON CAMPUS. 0525 PM TSTM WND GST PARDEEVILLE 43.53N 89.30W 07/21/2016 E65 MPH COLUMBIA WI TRAINED SPOTTER BRANCHES DOWN 6-8 INCHES IN DIAMETER. 0525 PM TSTM WND GST 2 N BEAVER DAM 43.49N 88.84W 07/21/2016 M60 MPH DODGE WI TRAINED SPOTTER 0847 AM TSTM WND GST BERLIN 43.97N 88.95W 07/21/2016 M44 MPH GREEN LAKE WI EMERGENCY MNGR OBSERVED AT BERLIN BY EMERGENCY MANAGMENT. 1055 AM TSTM WND GST 2 W CUDAHY 42.95N 87.90W 07/21/2016 M45 MPH MILWAUKEE WI ASOS ASOS STATION MILWAUKEE GEN MITCHELL ARPT /MKE/. 1045 AM TSTM WND GST 2 E BUTLER 43.11N 88.03W 07/21/2016 M51 MPH MILWAUKEE WI CO-OP OBSERVER MILWAUKEE TIMMERMAN ARPT /MWC/. 0923 AM TSTM WND GST 2 WSW FOND DU LAC 43.77N 88.49W 07/21/2016 M52 MPH FOND DU LAC WI ASOS ASOS STATION FOND DU LAC AIRPORT /FLD/. 0941 AM TSTM WND GST 3 NNW SHEBOYGAN FALLS 43.77N 87.85W 07/21/2016 M47 MPH SHEBOYGAN WI ASOS ASOS STATION SHEBOYGAN COUNTY MEM ARPT /SBM/. 1117 AM TSTM WND GST 2 W NORTH BAY 42.76N 87.81W 07/21/2016 M45 MPH RACINE WI ASOS ASOS STATION RACINE BATTEN AIRPORT /RAC/. 0755 PM TSTM WND GST 3 ENE MONROE 42.62N 89.59W 07/21/2016 M55 MPH GREEN WI AWOS AWOS STATION MONROE /EFT/. 0610 PM TSTM WND GST 3 E WEST BEND 43.42N 88.13W 07/21/2016 M49 MPH WASHINGTON WI AWOS AWOS STATION WEST BEND MUNICIPAL AIRPORT /ETB/.
National Weather Service - Milwaukee/Sullivan
~Cronce/Schultz
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