Unsettled Weather in the Southeast and West; Unseasonably Hot in the North-Central U.S.; Coastal Impacts Along the East Coast

Thunderstorms and heavy rainfall may produce isolated flash flooding along the southeast Atlantic coast the next several days. Showers and thunderstorms persist across portions of the Great Basin, Pacific Northwest, and northern Rockies. Unseasonably hot temperatures continue for much of the Plains and Midwest. High surf, dangerous rip currents, and coastal flooding continue along the East Coast. Read More >

Overview

A line of thunderstorms moved across southern WI during the early morning hours of April 20. The Sheboygan area got some 1 inch hail. A swath of 50-60 mph winds moved across southern Waukesha county, eastern Walworth County, southern Milwaukee County and into Racine County. Many trees were snapped and uprooted. The hardest hit area was eastern Racine County where winds were about 60-70 mph.

Photos
Radar
Storm Reports

Photos & Video:


		credit: Fox 6 Milwaukee	credit: Fox 6 Milwaukee

Radar:

In the radar loop the bright pink and orange colors in the circled area show winds of ~55-80 mph at ~2000 feet above the ground. This resulted in winds of roughly 50-70 mph at the ground.

Caption

Storm Reports

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0158 AM     TSTM WND GST     BURLINGTON              42.68N 88.28W
04/20/2017  E50 MPH          RACINE             WI   TRAINED SPOTTER



1230 AM     HAIL             1 E SHEBOYGAN FALLS     43.73N 87.81W
04/20/2017  M1.00 INCH       SHEBOYGAN          WI   PUBLIC

            PICTURE SENT VIA SOCIAL MEDIA.

0213 AM     TSTM WND DMG     2 SE FRANKSVILLE        42.74N 87.88W
04/20/2017                   RACINE             WI   BROADCAST MEDIA

            MANY 40FT TREES UPROOTED IN MOUNT PLEASANT.
            VIA SOCIAL MEDIA.

0205 AM     TSTM WND DMG     1 W CALEDONIA           42.80N 87.96W
04/20/2017                   RACINE             WI   PUBLIC

            ESTIMATED 15 TREES DOWN IN 4 YARDS ON WEST 5
            MILE ROAD BETWEEN 43RD ST AND I94 IN THE
            TOWN OF RAYMOND. SOME TREES UPROOTED AND
            SOME SNAPPED.

0205 AM     TSTM WND DMG     CUDAHY                  42.95N 87.86W
04/20/2017                   MILWAUKEE          WI   PUBLIC

            LARGE TREE UPROOTED.

0202 AM     TSTM WND GST     GREENFIELD              42.96N 88.01W
04/20/2017  M42 MPH          MILWAUKEE          WI   TRAINED SPOTTER



0202 AM     TSTM WND DMG     4 W CALEDONIA           42.82N 88.01W
04/20/2017                   RACINE             WI   PUBLIC

            ROOF OFF A HOUSE AND A FARMER LOST A POLE
            BARN IN THE TOWN OF RAYMOND. RELAYED FROM
            BROADCAST MEDIA.

0200 AM     TSTM WND DMG     WAUKESHA                43.01N 88.24W
04/20/2017                   WAUKESHA           WI   LAW ENFORCEMENT

            LARGE TREE DOWN.

0200 AM     TSTM WND DMG     SAINT FRANCIS           42.97N 87.87W
04/20/2017                   MILWAUKEE          WI   PUBLIC

            TREE DOWNED.

0300 AM     TSTM WND DMG     1 ENE ELM GROVE         43.05N 88.06W
04/20/2017                   MILWAUKEE          WI   PUBLIC

            LARGE PINE TREES SNAPPED NEAR BASE AND TREES
            DOWN. WIRES ALSO DOWN.

0155 AM     TSTM WND GST     BURLINGTON              42.68N 88.28W
04/20/2017  M59 MPH          RACINE             WI   AWOS



0151 AM     TSTM WND DMG     WAUKESHA                43.01N 88.24W
04/20/2017                   WAUKESHA           WI   LAW ENFORCEMENT

            LARGE TREE UPROOTED.

0150 AM     TSTM WND DMG     GLENDALE                43.13N 87.93W
04/20/2017                   MILWAUKEE          WI   TRAINED SPOTTER

            GREEN BAY AVE BETWEEN GOOD HOPE ROAD AND W
            SILVER SPRING DR: MULTIPLE EVERGREEN TREES
            UPROOTED AND SEVERAL SNAPPED IN HALF.

0148 AM     TSTM WND GST     WAUKESHA                43.01N 88.24W
04/20/2017  E45 MPH          WAUKESHA           WI   TRAINED SPOTTER

            ESTIMATED 40-50 MPH.

0146 AM     TSTM WND DMG     WAUKESHA                43.01N 88.24W
04/20/2017                   WAUKESHA           WI   LAW ENFORCEMENT

            3 GIANT PINE TREES DOWNED ON THE GROUNDS OF
            WAUKESHA PD.

0137 AM     TSTM WND DMG     1 NW DELAVAN            42.63N 88.65W
04/20/2017                   WALWORTH           WI   PUBLIC

            MULTIPLE TREES DOWN IN TOWN OF DELAVAN.

0128 AM     TSTM WND GST     3 SE SULLIVAN           42.98N 88.55W
04/20/2017  M56 MPH          JEFFERSON          WI   OFFICIAL NWS OBS



0105 AM     HAIL             PLYMOUTH                43.75N 87.97W
04/20/2017  M1.00 INCH       SHEBOYGAN          WI   PUBLIC

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Unsettled Weather in the Southeast and West; Unseasonably Hot in the North-Central U.S.; Coastal Impacts Along the East Coast

Thunderstorm Wind Damage April 20 (Updated 4/21 1230 pm)