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Event Summary
A strong line of thunderstorms that developed over North Dakota and southern Manitoba during the evening hours of Wednesday, July 20th, reached western Upper Michigan during the early morning hours of Thursday, July 21st. The line continued eastward through the morning, clearing eastern Upper Michigan by early afternoon. Very strong winds accompanied the line of storms across the northwest half of Upper Michigan. Several pockets of extensive wind damage were observed across Ontonagon and Houghton counties, with sporadic damage elsewhere along the line. This includes estimated winds of up to 90mph at the Emily Lake Campground south of Twin Lakes in Houghton County based off an NWS storm survey.
Overview:
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| Storm reports across the region as the line of thunderstorms moved through. | Pockets of more widespread wind damage were concentrated from Ontonagon to Twin Lakes in Ontonagon and Houghton counties. |
Photos:
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Storm damage from Emily Lake Campground near Twin Lakes in Houghton county. |
Storm damage from Emily Lake Campground near Twin Lakes in Houghton county. |
Storm damage from Emily Lake Campground near Twin Lakes in Houghton county. |
Storm damage at the Woodland cemetery near Twin Lakes in Houghton county. |
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Storm damage in the village of Ontonagon in Ontonagon county. |
Storm damage in the village of Ontonagon in Ontonagon county. |
Storm damage in Jacobsville in Houghton county. Photo credit Andrea Rezabek. |
Storm damage in Jacobsville in Houghton county. Photo credit Annika Maki. |
Radar:
4:30am to 1:30pm ET on 7/21/16
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| Here is a the radar loop encompassing approximately nine hours from 4:30am to 1:30pm ET on 7/21/16. Note the acceleration of a portion of the line across southern Houghton County. Significant tree damage was reported and surveyed in this area. Several pockets of tree damage were also observed along the remainder of the line across the northwest half of Upper Michigan. |
Storm Reports
PRELIMINARY LOCAL STORM REPORT...SUMMARY NATIONAL WEATHER SERVICE MARQUETTE MI 1017 PM EDT THU JUL 21 2016 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0720 AM MARINE TSTM WIND 8 WNW CALUMET 47.30N 88.60W 07/21/2016 M38 MPH LSZ243 MI BUOY BUOY STATION 7 WNW CALUMET /45023/. 0908 AM MARINE TSTM WIND 10 SE FORD RIVER 45.58N 87.00W 07/21/2016 M39 MPH LMZ221 MI MESONET MESONET STATION 9 SE FORD RIVER /XMAPV/. 0830 AM TSTM WND GST 5 S SANDS 46.35N 87.40W 07/21/2016 M41 MPH MARQUETTE MI AWOS AWOS STATION SAWYER AIRPORT /SAW/. 0710 AM TSTM WND GST 6 E MASS CITY 46.77N 88.95W 07/21/2016 M41 MPH ONTONAGON MI MESONET MESONET STATION 6 E MASS CITY /MC029/. 0700 AM TSTM WND GST 2 SE ROCKLAND 46.72N 89.15W 07/21/2016 M43 MPH ONTONAGON MI MESONET MESONET STATION ROCKLAND - MDOT /MC027/. 0840 AM TSTM WND GST 3 WSW SHOT POINT 46.49N 87.23W 07/21/2016 M44 MPH MARQUETTE MI MESONET MESONET STATION 6 E HARVEY - MDOT /MC001/. 0701 AM TSTM WND GST 6 ESE WAKEFIELD 46.44N 89.83W 07/21/2016 M45 MPH GOGEBIC MI MESONET MESONET STATION 6 ESE WAKEFIELD /WKFM4/. 0813 AM TSTM WND GST 4 NE NEGAUNEE 46.53N 87.55W 07/21/2016 M46 MPH MARQUETTE MI MESONET MESONET STATION NWS MARQUETTE /C4331/. 0724 AM TSTM WND GST HOUGHTON CO AIRPORT 47.17N 88.49W 07/21/2016 M47 MPH HOUGHTON MI ASOS ASOS STATION HOUGHTON CO. AIRPORT /CMX/. 0615 AM TSTM WND GST 5 NW BESSEMER 46.53N 90.13W 07/21/2016 M47 MPH GOGEBIC MI AWOS AWOS STATION IRONWOOD /IWD/. 0713 AM TSTM WND GST 3 SSW PELKIE 46.78N 88.66W 07/21/2016 M50 MPH BARAGA MI MESONET MESONET STATION 3 SSW PELKIE /PIEM4/. 0730 AM TSTM WND GST 6 ESE CHASSELL 47.00N 88.40W 07/21/2016 M51 MPH HOUGHTON MI BUOY BUOY STATION 6 ESE CHASSELL /45025/. 0615 AM TSTM WND GST 1 ENE BESSEMER 46.48N 90.04W 07/21/2016 M55 MPH GOGEBIC MI MESONET MESONET STATION BESSEMER /E6504/. 0715 AM TSTM WND GST 1 ESE TROUT CREEK 46.48N 88.99W 07/21/2016 M55 MPH HOUGHTON MI MESONET MESONET STATION TROUT CREEK - MDOT /MC028/. 0630 AM TSTM WND GST 1 W WAKEFIELD 46.48N 89.95W 07/21/2016 M59 MPH GOGEBIC MI MESONET MESONET STATION WAKEFIELD /MC026/. 0704 AM TSTM WND GST FREDA 47.14N 88.82W 07/21/2016 M63 MPH HOUGHTON MI TRAINED SPOTTER . 0655 AM TSTM WND DMG 3 ESE WINONA 46.86N 88.85W 07/21/2016 HOUGHTON MI NWS STORM SURVEY NWS STORM SURVEY CONFIRMS THAT EXTENSIVE TREE DAMAGE AT EMILY LAKE CAMPGROUND WAS DUE TO STRAIGHT LINE WINDS ESTIMATED TO BE UP TO 90MPH. LOCAL REPORTS INDICATE THE STRONG WINDS LASTED AT LEAST FIVE MINUTES. DAMAGE INCLUDED TREES DOWN ON TWO CAMPERS. NO INJURIES REPORTED. TIME ESTIMATED FROM RADAR. 0725 AM TSTM WND DMG 1 SSE BEECHWOOD 46.15N 88.76W 07/21/2016 IRON MI LAW ENFORCEMENT TREES DOWN. 0620 AM TSTM WND DMG 5 SSE MERRIWEATHER 46.51N 89.60W 07/21/2016 ONTONAGON MI PUBLIC SEVERAL TREES DOWN AROUND LAKE GOGEBIC. 0637 AM TSTM WND DMG ONTONAGON 46.87N 89.31W 07/21/2016 ONTONAGON MI EMERGENCY MNGR DOZENS OF TREES DOWN IN AND AROUND THE VILLAGE OF ONTONAGON...INCLUDING SEVERAL DOWN ON HOMES. POWER OUT IN THE VILLAGE FOR NEARLY 8 HOURS. 0705 AM TSTM WND DMG TOIVOLA 47.00N 88.77W 07/21/2016 HOUGHTON MI TRAINED SPOTTER WIDESPREAD TREE DAMAGE AROUND TOIVALA, DONKEN, AND TWIN LAKES. M26 IS BLOCKED BY FALLEN TREES. 0808 AM TSTM WND DMG NEGAUNEE 46.50N 87.61W 07/21/2016 MARQUETTE MI NWS EMPLOYEE MULTIPLE TREES AND LARGE LIMBS DOWN ACROSS THE CITY OF NEGAUNEE. WINDS ESTIMATED AT 50MPH FOR ABOUT 5 MINUTES. REPORTS FROM VARIOUS SOURCES. 0718 AM TSTM WND DMG 5 ESE CHASSELL 47.00N 88.43W 07/21/2016 HOUGHTON MI PUBLIC DELAYED REPORT. MULTIPLE REPORTS OF TREES DOWN ON EITHER SIDE OF THE PORTAGE CANAL NEAR JACOBSVILLE. REPORT VIA SOCIAL MEDIA. 0551 AM TSTM WND DMG 2 SW LITTLE GIRLS POINT 46.59N 90.37W 07/21/2016 GOGEBIC MI LAW ENFORCEMENT SEVERAL TREES DOWN ALONG LAKE RD NEAR LITTLE GIRLS POINT. 0730 AM TSTM WND DMG IRON RIVER 46.10N 88.64W 07/21/2016 IRON MI LAW ENFORCEMENT SEVERAL TREES REPORTED DOWN. 0715 AM TSTM WND DMG ALBERTA 46.65N 88.48W 07/21/2016 BARAGA MI LAW ENFORCEMENT NUMEROUS TREES DOWN ACROSS BARAGA COUNTY. TREE BLOCKING US 41 SOUTH OF LANSE. 0616 AM TSTM WND DMG WAKEFIELD 46.48N 89.94W 07/21/2016 GOGEBIC MI LAW ENFORCEMENT TREES AND POWERLINES DOWN IN WAKEFIELD. 0635 AM TSTM WND DMG ONTONAGON 46.87N 89.32W 07/21/2016 ONTONAGON MI PUBLIC TREES DOWN. 0700 AM TSTM WND DMG 2 ESE WINONA 46.86N 88.86W 07/21/2016 HOUGHTON MI LAW ENFORCEMENT OVER HALF ACRE OF TREES BLOWN DOWN. TREES ON CAMPERS AT EMILY LAKE CAMPGROUND AT TWIN LAKES STATE PARK. NO INJURIES. 0805 AM TSTM WND DMG 2 WSW NATIONAL MINE 46.44N 87.72W 07/21/2016 MARQUETTE MI LAW ENFORCEMENT SEVERAL TREES DOWN BLOCKING BEAGLE CLUB RD. 0810 AM TSTM WND DMG 2 W FELCH 46.00N 87.87W 07/21/2016 DICKINSON MI DEPT OF HIGHWAYS TREE DOWN ON METROPOLITAN RD. TIME ESTIMATED FROM RADAR. 0652 AM TSTM WND DMG 1 N MASS CITY 46.77N 89.08W 07/21/2016 ONTONAGON MI LAW ENFORCEMENT NUMEROUS TREES DOWN IN AND AROUND MASS CITY.
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