Overview
An autumn-like low pressure system swept across the Great Lakes region on August 17th, 2017. A warm and muggy air mass accompanied this system across northern Michigan, aiding to the development of periods of rain (heavy at times) along with scattered thunderstorms.
An EF0 tornado briefly touched down near the north shore of George Lake, 3 miles southeast of Lupton, in Ogemaw County. Pictures relayed to NWS Gaylord provide evidence that the tornado began as a tornadic waterspout over the northern portion of the lake before moving ashore. Damage was focused on Maple Avenue along the north shore of George Lake, primarily impacting a few houses, an outbuilding and several docks/boats.
Tornadoes:
Tornado - 3 mi. southeast of Lupton, 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 |
Storm Reports
The following are storm reports relayed to NWS Gaylord on August 17th, 2017.
0734 PM TORNADO 3 SE LUPTON 44.40N 83.97W
08/17/2017 OGEMAW MI NWS STORM SURVEY
EF0 TORNADO ALONG MAPLE AVENUE ALONG THE NORTH SHORE OF
GEORGE LAKE. MAXIMUM WIND SPEED 80 MPH. DAMAGE TO DOCKS,
OUTBUILDINGS AND SIDING.
0732 PM TSTM WND DMG 1 ENE RIFLE RIVER STATE 44.41N 83.97W
08/17/2017 OGEMAW MI LAW ENFORCEMENT
LAW ENFORCEMENT RELAYED REPORT OF DAMAGE TO
2 HOUSES. TIME ESTIMATED FROM RADAR.
Rain Reports
Periods of briefly heavy rainfall fell across portions of northern Michigan in association with the area of low pressure moving across the Great Lakes. The following are rain reports of over 1.00 inch. Note: Sault Ste. Marie set a daily rainfall record for August 17th, 2017 by recording 2.83 inches of rain, breaking the old recoprd of 1.41 inches set in 2011.
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0755 AM HEAVY RAIN 1 S SAULT STE. MARIE 46.47N 84.37W 08/18/2017 M3.47 INCH CHIPPEWA MI ASOS ASOS STATION ANJ, SAULT STE MARIE. 0800 AM HEAVY RAIN 2 W SAULT STE. MARIE 46.49N 84.40W 08/18/2017 M2.82 INCH CHIPPEWA MI CO-OP OBSERVER CO-OP OBSERVER STATION SSMM4, SAULT STE MARIE. 0312 PM HEAVY RAIN 3 S INDIAN RIVER 45.38N 84.63W 08/18/2017 M2.43 INCH CHEBOYGAN MI MESONET MESONET STATION INDM4, 2 S INDIAN RIVER. 0700 AM HEAVY RAIN 4 N MCCARRON 46.39N 84.27W 08/18/2017 M2.09 INCH CHIPPEWA MI COCORAHS COCORAHS STATION MI-CP-11, 4 N MCCARRON. 0700 AM HEAVY RAIN 3 E CEDARVILLE 45.99N 84.30W 08/18/2017 M2.03 INCH MACKINAC MI COCORAHS COCORAHS STATION MI-MC-3, CEDARVILLE 3.2 ESE. 0304 PM HEAVY RAIN 4 WSW RACO 46.36N 84.80W 08/18/2017 M1.99 INCH CHIPPEWA MI MESONET MESONET STATION RACM4, 4 W RACO. 0525 PM HEAVY RAIN SAULT STE. MARIE 46.48N 84.37W 08/17/2017 M1.65 INCH CHIPPEWA MI ASOS 0800 AM HEAVY RAIN 9 ESE GOETZVILLE 46.02N 83.92W 08/18/2017 M1.57 INCH LSZ322 MI CO-OP OBSERVER CO-OP OBSERVER STATION DTVM4, DETOUR VILLAGE. 0754 AM HEAVY RAIN 5 S CATHRO 45.08N 83.56W 08/18/2017 M1.57 INCH ALPENA MI ASOS ASOS STATION APN, PHELPS COLLINS FIELD. 0700 PM HEAVY RAIN KELDEN 46.21N 84.31W 08/17/2017 M1.49 INCH CHIPPEWA MI PUBLIC 0700 AM HEAVY RAIN 1 SSE SAINT IGNACE 45.86N 84.72W 08/18/2017 M1.33 INCH MACKINAC MI COCORAHS COCORAHS STATION MI-MC-4, SAINT IGNACE. 0700 PM HEAVY RAIN BOYNE CITY 45.19N 84.96W 08/17/2017 M1.27 INCH CHARLEVOIX MI PUBLIC 0800 AM HEAVY RAIN 1 NNW CHEBOYGAN 45.65N 84.47W 08/18/2017 M1.26 INCH CHEBOYGAN MI CO-OP OBSERVER CO-OP OBSERVER STATION CHBM4, CHEBOYGAN. 0800 AM HEAVY RAIN 2 NNW EAST JORDAN 45.19N 85.15W 08/18/2017 M1.25 INCH CHARLEVOIX MI COCORAHS COCORAHS STATION MI-CX-7, 2 NNW EAST JORDAN. 0800 AM HEAVY RAIN 2 NNW EAST JORDAN 45.19N 85.15W 08/18/2017 M1.25 INCH CHARLEVOIX MI CO-OP OBSERVER CO-OP OBSERVER STATION EJNM4, 2 NNW EAST JORDAN.
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