Overview
A line of thunderstorms developed Thursday afternoon ahead of an approaching cold front. Storms crossed northern Michigan late Thursday afternoon into Thursday evening. A few strong to severe storms impacted northwest Lower Michigan, producing heavy rainfall, small hail, and an EF-0 tornado near the south shore of Birch Lake in Kewadin, MI.
Tornado:
Tornado - Kewadin, MI
Track Map
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The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:
EF0 Weak 65-85 mph |
EF1 Moderate 86-110 mph |
EF2 Significant 111-135 mph |
EF3 Severe 136-165 mph |
EF4 Extreme 166-200 mph |
EF5 Catastrophic 200+ mph |
Rainfall
Observed 12-hour rainfall between 12 pm August 3rd and 12am August 4th.
Radar:
The following is a radar loop of thunderstorms across northern Michigan between the hours of 5:04 pm and 8:04 pm on August 3, 2017.
Storm Reports
While the majority of weather reports from August 3rd, 2017 were related to heavy rainfall, several reports and pictures of severe weather were relayed to NWS Gaylord. Storm reports should be considered preliminary data and are subject to change. PRELIMINARY LOCAL STORM REPORT...SUMMARY NATIONAL WEATHER SERVICE GAYLORD MI 250 PM EDT FRI AUG 4 2017 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0500 PM HEAVY RAIN 3 N MAPLE CITY 44.89N 85.87W 08/03/2017 M1.50 INCH LEELANAU MI PUBLIC RAIN FELL OVER APPROXIMATELY 1.5 HOUR PERIOD. 0545 PM TSTM WND DMG MANISTEE 44.25N 86.32W 08/03/2017 MANISTEE MI LAW ENFORCEMENT LAW ENFORCEMENT RELAYED REPORT OF TREE DOWN ON POWER LINE NEAR THE MILWAUKEE HOUSE. TIME ESTIMATED FROM RADAR. 0550 PM HAIL 2 SE EASTLAKE 44.23N 86.27W 08/03/2017 E0.75 INCH MANISTEE MI TRAINED SPOTTER 0610 PM TORNADO 1 WSW KEWADIN 44.93N 85.38W 08/03/2017 ANTRIM MI NWS STORM SURVEY EF0 TORNADO NEAR WILLIAMS DRIVE JUST SOUTH OF BIRCH LAKE. PATH LENGTH OF 0.10 MILES, PATH WIDTH 55 YARDS AND MAXIMUM WIND SPEED OF 80 MPH. DAMAGE TO A FEW HOUSES AND OUTBUILDINGS ALONG AND NEAR WILLIAMS DRIVE, PRIMARILY DUE TO FALLING TREES. MANY TREES ALSO UPROOTED IN THE AREA, LIKELY CAUSED BY VERY WET GROUND FROM RECENT HEAVY RAINS. 0819 PM HEAVY RAIN MANISTEE 44.24N 86.33W 08/03/2017 M2.44 INCH MANISTEE MI TRAINED SPOTTER STORM TOTAL RAINFALL. 0900 PM HEAVY RAIN 5 SSW BRETHREN 44.24N 86.06W 08/03/2017 M1.01 INCH MANISTEE MI TRAINED SPOTTER 0920 PM HAIL 8 ESE MODDERSVILLE 44.18N 84.80W 08/03/2017 E0.88 INCH ROSCOMMON MI PUBLIC 0932 PM HEAVY RAIN 2 WNW RAPID CITY 44.85N 85.32W 08/03/2017 M2.52 INCH KALKASKA MI TRAINED SPOTTER STORM TOTAL RAINFALL. 1000 PM HEAVY RAIN 3 SE IRONTON 45.23N 85.17W 08/03/2017 M1.15 INCH CHARLEVOIX MI CO-OP OBSERVER 6 HOUR TOTAL. 0418 AM HEAVY RAIN 2 WNW WATERS 44.91N 84.74W 08/04/2017 M1.42 INCH OTSEGO MI OFFICIAL NWS OBS 6 HOUR TOTAL 8PM-1AM EDT. 0604 AM HEAVY RAIN RABER 46.11N 84.09W 08/04/2017 M1.25 INCH CHIPPEWA MI BROADCAST MEDIA 24HR TOTAL THROUGH 6AM. 0610 AM HEAVY RAIN CENTRAL LAKE 45.07N 85.26W 08/04/2017 E1.95 INCH ANTRIM MI PUBLIC 24HR TOTAL THROUGH 6AM. 0700 AM HEAVY RAIN EAST JORDAN 45.16N 85.13W 08/04/2017 M1.51 INCH CHARLEVOIX MI CO-OP OBSERVER 24HR TOTAL THROUGH 7 AM. REPORTED BY EAST JORDAN 2NW COOPERATIVE OBSERVER FROM SECONDARY LOCATION IN TOWN. 0800 AM HEAVY RAIN LUZERNE 44.62N 84.27W 08/04/2017 M1.85 INCH OSCODA MI TRAINED SPOTTER 24HR TOTAL THROUGH 8AM. 1008 AM HEAVY RAIN 4 SSW MAPLETON 44.84N 85.54W 08/04/2017 E3.75 INCH GRAND TRAVERSE MI BROADCAST MEDIA 24HR TOTAL THROUGH 10AM. 1035 AM HEAVY RAIN 11 SE GOETZVILLE 45.99N 83.90W 08/04/2017 M1.20 INCH CHIPPEWA MI PUBLIC 12HR TOTAL THROUGH 10AM.
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