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Home Return to list Severe Thunderstorm Warning 0112 Issued by the Grand Rapids Forecast Office
Action: New Issued At: 2026-08-09 13:37:51
849
WUUS53 KGRR 091837
SVRGRR
MIC005-139-092000-
/O.NEW.KGRR.SV.W.0112.260809T1837Z-260809T2000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Rapids MI
237 PM EDT Sun Aug 9 2026
The National Weather Service in Grand Rapids has issued a
* Severe Thunderstorm Warning for...
Allegan County in southwestern Michigan...
Ottawa County in southwestern Michigan...
* Until 400 PM EDT.
* At 237 PM EDT, severe thunderstorms were located along a line
extending from 21 miles west of Grand Haven to 14 miles west of
Holland SP to 26 miles northwest of South Haven, moving east at 35
mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Holland... Grand Haven... Allegan...
Hudsonville... Zeeland... Coopersville...
Wayland... Otsego... Plainwell...
Fennville... Saugatuck... Martin...
Beechwood... Jenison... Allendale...
Dorr... Ganges... Hamilton...
Douglas... Port Sheldon...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4270 8620 4295 8622 4305 8624 4307 8579
4277 8578 4277 8555 4242 8555 4242 8627
TIME...MOT...LOC 1837Z 269DEG 31KT 4297 8662 4279 8649 4259 8673
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
NJJ
Action: Continued Issued At: 2026-08-09 14:14:52
959
WWUS53 KGRR 091914
SVSGRR
Severe Weather Statement
National Weather Service Grand Rapids MI
314 PM EDT Sun Aug 9 2026
MIC005-139-092000-
/O.CON.KGRR.SV.W.0112.000000T0000Z-260809T2000Z/
Allegan MI-Ottawa MI-
314 PM EDT Sun Aug 9 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR ALLEGAN AND OTTAWA COUNTIES...
At 314 PM EDT, severe thunderstorms were located along a line
extending from 5 miles south of Grand Haven to near Beechwood to 8
miles southwest of Saugatuck, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Holland, Grand Haven, Allegan, Hudsonville, Zeeland, Coopersville,
Wayland, Otsego, Plainwell, Fennville, Saugatuck, Martin, Beechwood,
Jenison, Allendale, Dorr, Ganges, Hamilton, Douglas, and Port
Sheldon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4270 8620 4295 8622 4305 8624 4307 8579
4277 8578 4277 8555 4242 8555 4242 8627
TIME...MOT...LOC 1914Z 269DEG 26KT 4297 8624 4279 8611 4260 8635
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
THOMAS
Action: Continued Issued At: 2026-08-09 14:29:22
255
WWUS53 KGRR 091929
SVSGRR
Severe Weather Statement
National Weather Service Grand Rapids MI
329 PM EDT Sun Aug 9 2026
MIC005-139-092000-
/O.CON.KGRR.SV.W.0112.000000T0000Z-260809T2000Z/
Allegan MI-Ottawa MI-
329 PM EDT Sun Aug 9 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR ALLEGAN AND OTTAWA COUNTIES...
At 328 PM EDT, severe thunderstorms were located along a line
extending from 7 miles west of Allendale to near Zeeland to near
Saugatuck, moving east at 35 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Law enforcement. At 320 PM trees and wires down were
reported near Glenn.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Holland, Grand Haven, Allegan, Hudsonville, Zeeland, Coopersville,
Wayland, Otsego, Plainwell, Fennville, Saugatuck, Martin, Beechwood,
Jenison, Allendale, Dorr, Ganges, Hamilton, Douglas, and Port
Sheldon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a DANGEROUS SITUATION. These storms are producing widespread
wind damage across Allegan County and Ottawa County. SEEK SHELTER
NOW inside a sturdy structure and stay away from windows.
&&
LAT...LON 4270 8620 4295 8622 4305 8624 4307 8579
4277 8578 4277 8555 4242 8555 4242 8627
TIME...MOT...LOC 1928Z 269DEG 31KT 4297 8611 4279 8598 4260 8622
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
THOMAS
Action: Continued Issued At: 2026-08-09 14:47:08
681
WWUS53 KGRR 091946
SVSGRR
Severe Weather Statement
National Weather Service Grand Rapids MI
346 PM EDT Sun Aug 9 2026
MIC139-091955-
/O.CAN.KGRR.SV.W.0112.000000T0000Z-260809T2000Z/
Ottawa MI-
346 PM EDT Sun Aug 9 2026
...THE SEVERE THUNDERSTORM WARNING FOR OTTAWA COUNTY IS CANCELLED...
The storms which prompted the warning have weakened. Therefore, the
warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 700 PM EDT for
southwestern Michigan.
&&
LAT...LON 4270 8620 4277 8621 4277 8555 4242 8555
4242 8627
TIME...MOT...LOC 1945Z 264DEG 27KT 4277 8595 4257 8597 4238 8605
$$
MIC005-092000-
/O.CON.KGRR.SV.W.0112.000000T0000Z-260809T2000Z/
Allegan MI-
346 PM EDT Sun Aug 9 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR ALLEGAN COUNTY...
At 345 PM EDT, a weather station indicated severe thunderstorms were
located along a line extending from near Zeeland to 6 miles northwest
of Allegan to 5 miles northeast of Bangor, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Weather station. At 320 pm a Marine Weather Station
reported a 58 mph gust near Saugatuck.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Holland, Allegan, Wayland, Otsego, Plainwell, Fennville, Saugatuck,
Martin, Dorr, Ganges, Hamilton, Douglas, Hopkins, Moline, Burnips,
Bradley, Pullman, Green Lake, Shelbyville, and Macatawa.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a DANGEROUS SITUATION. These storms are producing widespread
wind damage across Allegan. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
&&
LAT...LON 4270 8620 4277 8621 4277 8555 4242 8555
4242 8627
TIME...MOT...LOC 1945Z 264DEG 27KT 4277 8595 4257 8597 4238 8605
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
THOMAS
Action: Cancelled Issued At: 2026-08-09 14:47:08
681
WWUS53 KGRR 091946
SVSGRR
Severe Weather Statement
National Weather Service Grand Rapids MI
346 PM EDT Sun Aug 9 2026
MIC139-091955-
/O.CAN.KGRR.SV.W.0112.000000T0000Z-260809T2000Z/
Ottawa MI-
346 PM EDT Sun Aug 9 2026
...THE SEVERE THUNDERSTORM WARNING FOR OTTAWA COUNTY IS CANCELLED...
The storms which prompted the warning have weakened. Therefore, the
warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 700 PM EDT for
southwestern Michigan.
&&
LAT...LON 4270 8620 4277 8621 4277 8555 4242 8555
4242 8627
TIME...MOT...LOC 1945Z 264DEG 27KT 4277 8595 4257 8597 4238 8605
$$
MIC005-092000-
/O.CON.KGRR.SV.W.0112.000000T0000Z-260809T2000Z/
Allegan MI-
346 PM EDT Sun Aug 9 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR ALLEGAN COUNTY...
At 345 PM EDT, a weather station indicated severe thunderstorms were
located along a line extending from near Zeeland to 6 miles northwest
of Allegan to 5 miles northeast of Bangor, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Weather station. At 320 pm a Marine Weather Station
reported a 58 mph gust near Saugatuck.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Holland, Allegan, Wayland, Otsego, Plainwell, Fennville, Saugatuck,
Martin, Dorr, Ganges, Hamilton, Douglas, Hopkins, Moline, Burnips,
Bradley, Pullman, Green Lake, Shelbyville, and Macatawa.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a DANGEROUS SITUATION. These storms are producing widespread
wind damage across Allegan. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
&&
LAT...LON 4270 8620 4277 8621 4277 8555 4242 8555
4242 8627
TIME...MOT...LOC 1945Z 264DEG 27KT 4277 8595 4257 8597 4238 8605
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
THOMAS
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