Overview
Multiple rounds of strong to severe thunderstorms impacted southeast Michigan on the afternoon of September 14, 2021 as a cold front tracked across the region. The initial round of storms formed ahead of the front in a region of ample instability, moisture, and vertical wind shear, and prompted the issuance of a severe thunderstorm watch and several severe thunderstorm warnings. Following a brief lull in activity, another round of strong to severe storms tracked across southeast Michigan between approximately 6 and 10 PM EDT.
Photos
![]() |
![]() |
|
Temperance Credit: Mike Karmol N8KUF |
Temperance Credit: Mike Karmol N8KUF |
![]() |
![]() |
|
Howell Credit: Jackie Renae |
Howell Credit: Jackie Renae |
Radar
|
|
|
Click to Enlarge Radar loop courtesy of Iowa Environmental Mesonet (IEM) |
Storm Reports
|
|
Map of Local Storm Reports |
Severe Weather Local Storm Reports:
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
133 PM EDT WED SEP 15 2021
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0248 PM TSTM WND DMG HUDSON 41.86N 84.35W
09/14/2021 LENAWEE MI 911 CALL CENTER
LENAWEE COUNTY CENTRAL DISPATCH REPORTED
MUTIPLE TREES AND POWER LINES DOWN IN AND
AROUND HUDSON.
0406 PM TSTM WND DMG 4 WSW BRIGHTON 42.50N 83.86W
09/14/2021 LIVINGSTON MI PUBLIC
PUBLIC REPORTS TREE DOWN BLOCKING ROAD ON
CHILSON RD NEAR CHILSON CREEK.
0412 PM TSTM WND GST BERKLEY 42.50N 83.19W
09/14/2021 M60 MPH OAKLAND MI TRAINED SPOTTER
SPOTTER REPORTED MEASURED 60 MPH WIND GUST
AND PENNY SIZED HAIL.
0417 PM HAIL 1 NNE BIRCH RUN 43.26N 83.78W
09/14/2021 M1.00 INCH SAGINAW MI TRAINED SPOTTER
QUARTER SIZED HAIL REPORTED NEAR DIXIE HWY
AND CANADA RD.
0424 PM HAIL 4 S MILFORD 42.52N 83.62W
09/14/2021 M0.88 INCH OAKLAND MI PUBLIC
NICKEL SIZED HAIL REPORTED NEAR PONTIAC
TRAIL AND MILFORD RD.
0425 PM TSTM WND DMG 6 W MOUNT CLEMENS 42.59N 82.99W
09/14/2021 MACOMB MI 911 CALL CENTER
MACOMB COUNTY DISPATCH REPORTS TREES AND
WIRES DOWNED NEAR SCHOENHERR RD AND CLINTON
RIVER RD IN STERLING HEIGHTS.
0429 PM TSTM WND DMG CLINTON TOWNSHIP 42.59N 82.92W
09/14/2021 MACOMB MI 911 CALL CENTER
MACOMB COUNTY DISPATCH REPORTS PARTIAL
BUILDING COLLAPSE.
0431 PM TSTM WND DMG S HARBOR BEACH 43.85N 82.65W
09/14/2021 HURON MI BROADCAST MEDIA
LARGE LIMBS DOWNED ON PRIVATE RESIDENCE.
0454 PM TSTM WND DMG VASSAR 43.37N 83.58W
09/14/2021 TUSCOLA MI 911 CALL CENTER
WIRES DOWNED.
0513 PM TSTM WND DMG 5 ESE CARO 43.45N 83.32W
09/14/2021 TUSCOLA MI 911 CALL CENTER
TREES DOWNED NEAR EAST DAYTON RD AND BEVENS
RD IN WELLS TWP.
0549 PM TSTM WND DMG WSW SANDUSKY 43.42N 82.84W
09/14/2021 SANILAC MI EMERGENCY MNGR
TREES AND WIRES DOWNED NEAR BRIDGEHAMPTON RD
AND WORTH ST AND ALSO NEAR MAIN ST AND
MARLETTE ST.
0549 PM TSTM WND DMG E FOWLERVILLE 42.66N 84.07W
09/14/2021 LIVINGSTON MI TRAINED SPOTTER
10 INCH TREE LIMB DOWNED.
0555 PM HAIL N HOWELL 42.61N 83.94W
09/14/2021 M1.25 INCH LIVINGSTON MI PUBLIC
PHOTOS SUBMITTED VIA SOCIAL MEDIA OF
MULTIPLE HALF DOLLAR SIZED HAILSTONES.SOME
JUST SHY OF WALNUT SIZED.
0614 PM TSTM WND DMG WSW SANDUSKY 43.42N 82.84W
09/14/2021 SANILAC MI EMERGENCY MNGR
CORRECTED TIME...TREES AND WIRES DOWNED NEAR
BRIDGEHAMPTON RD AND WORTH ST AND ALSO NEAR
MAIN ST AND MARLETTE ST.
0739 PM TSTM WND GST 3 SW ADRIAN 41.87N 84.08W
09/14/2021 M48 MPH LENAWEE MI ASOS
MEASURED AT KADG LENAWEE COUNTY AIRPORT.
0744 PM TSTM WND DMG 1 E ADRIAN 41.90N 84.02W
09/14/2021 LENAWEE MI TRAINED SPOTTER
MULTIPLE LARGE TREES DOWNED NEAR CHESNUT ST
AND ADDISON ST.
0834 PM TSTM WND GST 2 ENE ROMULUS 42.23N 83.33W
09/14/2021 M54 MPH WAYNE MI ASOS
MEASURED AT KDTW DETROIT METRO AIRPORT.
0837 PM TSTM WND DMG SOUTH ROCKWOOD 42.06N 83.26W
09/14/2021 MONROE MI 911 CALL CENTER
DISPATCH REPORTS TREES AND WIRES DOWN IN THE
SOUTH ROCKWOOD AREA.
0850 PM TSTM WND DMG 2 E TEMPERANCE 41.77N 83.53W
09/14/2021 MONROE MI PUBLIC
2 FOOT DIAMETER TREE DOWN ACROSS ROAD RELAYED VIA SOCIAL
MEDIA PHOTOS NEAR VIENNA PARK IN TEMPERANCE.
0900 PM MARINE TSTM WIND 6 WSW HARSENS ISLAND 42.56N 82.68W
09/14/2021 M47 MPH ST. CLAIR MI MESONET
MEASURED AT CLUB ISLAND.
0901 PM TSTM WND DMG LAMBERTVILLE 41.75N 83.62W
09/14/2021 MONROE MI 911 CALL CENTER
DISPATCH REPORTS NUMEROUS TREES AND
POWERLINES DOWN IN THE WHITEFORD AND BEDFORD
AREAS.
&&
$$
![]() |
|
National Storm Reports for September 14, 2021 |
![]() |
Media use of NWS Web News Stories is encouraged! Please acknowledge the NWS as the source of any news information accessed from this site. |
![]() |