A strong atmospheric river moving into northern California later today will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through Wednesday. Gusty winds and isolated showers are expected today in the Northeast U.S. behind a cold front. Wind Advisories have been issued. Read More >
Overview
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On Friday, July 28th multiple rounds of thunderstorms moved through southern Wisconsin. Several surface boundaries provided sources of lift as the environment became more unstable. Initially supercells producing large hail around 2 inches in diameter and heavy rain impacted the area before a surging line of storms moved in from the northwest. 60 to 80 mph winds within the line resulted in tree damage across a large portion of the area. |
 Radar from 6:13PM - 11:22PM July 28th, 2023 |
Tornadoes:
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Tornado - 2.0 mi E of Palmyra
Track Map  
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Wind & Hail:
Wind
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| Columbia Co, Lake Wisconsin Photo: @loFromWisco | Waukesha Co, Okauchee Photo: Jane Achterberg | Dane Co, Stoughton Photo: Jaiden Panici | Dane Co, Waunakee Photo: @DeadNotSleepin0 |
Hail
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| Lafayette Co, between Platteville & Belmont Photo: Sally Magby | Lafayette Co, SE of Platteville Photo: Sherry Nix | Waukesha Co, Mukwonago Photo: @mradelponte | Racine Co, Waterford Photo:@BarnBurnerWI |
Storm Reports
PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 136 PM CDT SAT JUL 29 2023 ...SEVERE WEATHER REPORTS FROM JULY 28... HAIL REPORTS... LOCATION SIZE TIME/DATE ...WISCONSIN... ...LAFAYETTE COUNTY... 3 W BELMONT 2.50 IN 0725 PM 07/28 BELMONT 2.00 IN 0727 PM 07/28 DARLINGTON 1.00 IN 0745 PM 07/28 ...RACINE COUNTY... WATERFORD 2.50 IN 0836 PM 07/28 1 SSW WATERFORD NORTH 2.50 IN 0840 PM 07/28 WATERFORD 1.00 IN 0840 PM 07/28 ...WAUKESHA COUNTY... MUKWONAGO 1.25 IN 0817 PM 07/28 HIGHEST WIND REPORTS... LOCATION SPEED TIME/DATE ...WISCONSIN... ...DANE COUNTY... MADISON-DANE COUNTY AIRPORT 58 MPH 0947 PM 07/28 ...GREEN COUNTY... MONROE 59 MPH 0955 PM 07/28 ...GREEN LAKE COUNTY... KINGSTON 55 MPH 0942 PM 07/28 ...JEFFERSON COUNTY... 3 SE SULLIVAN 70 MPH 1030 PM 07/28 CAMBRIDGE 55 MPH 1011 PM 07/28 ...RACINE COUNTY... BURLINGTON 47 MPH 1055 PM 07/28 ...SAUK COUNTY... 6 W SPRING GREEN 77 MPH 0925 PM 07/28 ...WALWORTH COUNTY... EAST TROY 58 MPH 1055 PM 07/28 ...WAUKESHA COUNTY... 2 N MUSKEGO 60 MPH 1100 PM 07/28 OBSERVATIONS ARE COLLECTED FROM A VARIETY OF SOURCES WITH VARYING EQUIPMENT AND EXPOSURES. WE THANK ALL VOLUNTEER WEATHER OBSERVERS FOR THEIR DEDICATION. NOT ALL DATA LISTED ARE CONSIDERED OFFICIAL.
Rain Reports
The line of storms that moved in from the northwest contained heavy rainfall with rates around 2 inches per hour.
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CoCoRaHS reports |
Map made using local ASOS, COOP, CoCoRaHS, and MRMS data. |
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