Severe Thunderstorms Possible in the South Central U.S.; Wildfire Smoke Impacts in the North Central U.S.; Severe Space Weather

Scattered severe thunderstorms may bring large hail and isolated damaging winds this weekend over parts of the south central U.S. Smoke from Canadian wildfires will bring air quality issues to parts of the north central U.S. this weekend. Moderate to Severe geomagnetic storm conditions will remain possible into early Monday following a strong coronal mass ejection from the sun. Read More >

Overview

Severe thunderstorms developed along and north of a warm front Monday evening, bringing large hail and damaging winds to areas near a line from Decorah, IA to Rockford IL. Several reports of tree damage was seen with these storms.

Radar
Storm Reports

Radar:

Interactive Radar Loop - courtesy IEM Mesonet

Storm Reports

Interactive Storm Report Map	SPC Storm Reports


PRELIMINARY LOCAL STORM REPORT...SUMMARY NATIONAL WEATHER SERVICE QUAD CITIES IA IL 946 PM CDT MON MAY 15 2017 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0824 PM TSTM WND GST DUBUQUE REGIONAL AIRPOR 42.40N 90.72W 05/15/2017 E60.00 MPH DUBUQUE IA ASOS 52 KNOTS MEASURED. 0857 PM TSTM WND DMG APPLE RIVER CANYON STAT 42.45N 90.05W 05/15/2017 JO DAVIESS IL LAW ENFORCEMENT TREE DOWN ON EAST CANYON RD. DELAYED REPORT, TIME ESIMATED. 0923 PM TSTM WND GST E FREEPORT 42.29N 89.63W 05/15/2017 M50.00 MPH STEPHENSON IL TRAINED SPOTTER 0940 PM HAIL NW DAVIS 42.42N 89.42W 05/15/2017 M0.25 INCH STEPHENSON IL TRAINED SPOTTER

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Severe Thunderstorms Possible in the South Central U.S.; Wildfire Smoke Impacts in the North Central U.S.; Severe Space Weather

Severe Storms May 15th, 2017