Heavy Snow from the Midwest into the Great Lakes; Locally Heavy Rain in the Western Gulf Coast

A significant winter storm will produce a broad area of moderate to heavy snow from the Midwest through the western Great Lakes. Significant snow accumulations of 6-12 inches, and locally more than 1 foot, and gusty wind may cause hazardous travel conditions. Thunderstorms, some severe, and showers may produce locally heavy rain and isolated flash flooding along the western Gulf Coast. Read More >

Overview

Severe thunderstorms tracked across eastern Iowa and northwest Illinois Wednesday evening. These storms began over southern Minnesota bringing widespread damaging winds to northern and northeast Iowa, southern Minnesota, southern Wisconsin, and northern Illinois. Several reports of downed trees and winds up to 70 mph were seen with these storms.

Radar
Storm Reports

Radar:


Radar Loop - courtesy Iowa Environmental Mesonet	MRMS Reflectivity Loop

Storm Reports

Interactive Storm Report Map	SPC Storm Reports

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
833 PM CDT WED JUL 19 2017

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

0610 PM     TSTM WND DMG     SSE EDGEWOOD            42.64N 91.40W 
07/19/2017                   DELAWARE           IA   TRAINED SPOTTER 

            LARGE TREE BRANCH BLOWN DOWN. ALSO 1 INCH OF RAIN.

0655 PM     TSTM WND GST     COLESBURG               42.64N 91.20W 
07/19/2017  M62.00 MPH       DELAWARE           IA   EMERGENCY MNGR  

0659 PM     TSTM WND DMG     DUBUQUE                 42.50N 90.69W 
07/19/2017                   DUBUQUE            IA   EMERGENCY MNGR  

            NUMEROUS REPORTS OF BRANCHES AND FEW TREES DOWN IN THE 
            CITY OF DUBUQUE.

0700 PM     TSTM WND GST     DUBUQUE REGIONAL AIRPOR 42.40N 90.72W 
07/19/2017  M47.00 MPH       DUBUQUE            IA   ASOS            

0720 PM     TSTM WND GST     3 NNE STOCKTON          42.39N 89.98W 
07/19/2017  M52.00 MPH       JO DAVIESS         IL   CO-OP OBSERVER  

0725 PM     TSTM WND DMG     1 ESE NORA              42.46N 89.93W 
07/19/2017                   JO DAVIESS         IL   TRAINED SPOTTER 

            1 FOOT DIAMTER SILVER MAPLE TREE BRANCH DOWNED BY STORM.

0726 PM     TSTM WND DMG     1 ESE NORA              42.46N 89.93W 
07/19/2017                   JO DAVIESS         IL   TRAINED SPOTTER 

            ESTIMATED 50-55 MPH WITH 2 INCH BRANCHES DOWN.

0738 PM     TSTM WND GST     ORANGEVILLE             42.47N 89.64W 
07/19/2017  E70.00 MPH       STEPHENSON         IL   AMATEUR RADIO   

            ESTIMATED 70 MPH WINDS WITH BRANCHES BLOWING ACROSS THE 
            ROAD.

0738 PM     TSTM WND DMG     ESE MAQUOKETA           42.06N 90.67W 
07/19/2017                   JACKSON            IA   TRAINED SPOTTER 

            ESTIMATED AROUND 40 MPH WITH 1.5 INCH DIAMETER BRANCHES 
            DOWN.

0743 PM     TSTM WND GST     FREEPORT                42.29N 89.63W 
07/19/2017  E60.00 MPH       STEPHENSON         IL   TRAINED SPOTTER 

            WINDS MAY BE GUSTING AS HIGH AS 80 MPH.

0748 PM     TSTM WND DMG     1 E FREEPORT            42.29N 89.61W 
07/19/2017                   STEPHENSON         IL   TRAINED SPOTTER 

            TREE LIMBS DOWN AND POWER OUT IN THE SOUTH PART OF 
            FREEPORT. WINDS ESTIMATED AT 60 MPH.

0754 PM     TSTM WND GST     3 WNW LAKE SUMMERSET    42.46N 89.46W 
07/19/2017  E55.00 MPH       STEPHENSON         IL   TRAINED SPOTTER 

            WINDS ESTIMATED 50-60 MPH, CORN PARTIALLY BLOWN OVER, 
            SMALL BRANCHES BLOWN DOWN.

0755 PM     TSTM WND GST     FREEPORT ALBERTUS AIRPO 42.25N 89.58W 
07/19/2017  E56.00 MPH       STEPHENSON         IL   AWOS

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Heavy Snow from the Midwest into the Great Lakes; Locally Heavy Rain in the Western Gulf Coast

Severe Storm Summary July 19th, 2017