Alert archive / Michigan / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 21, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this severe thunderstorm warning at May 7, 2024, 7:26 PM EDT for Calhoun County, Michigan. It was in force for 82 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 7, 2024, 7:26 PM EDT (23:26 UTC)
- Expired
- May 7, 2024, 8:48 PM EDT
- In force
- 82 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Calhoun County, MI
The radar
The Grand Rapids radar (KGRR), 79 km from the middle of the area, began a volume at 23:25 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 7, 4:55 PM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 11.4 hours before the alert went out and 143 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1533 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
992
WUUS53 KGRR 072326
SVRGRR
MIC025-080100-
/O.NEW.KGRR.SV.W.0021.240507T2326Z-240508T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Rapids MI
726 PM EDT Tue May 7 2024
The National Weather Service in Grand Rapids has issued a
* Severe Thunderstorm Warning for...
Calhoun County in south central Michigan...
* Until 900 PM EDT.
* At 725 PM EDT, a severe thunderstorm was located near Burlington,
or 7 miles north of Coldwater, moving northeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Albion... Marshall... Battle Creek...
Homer... Union City... Burlington...
Brownlee Park... Marengo... Athens...
Tekonsha... Duck Lake... Pine Creek...
Bedford... Ceresco...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 900 PM EDT for southwestern
Michigan. A Tornado Watch also remains in effect until 1100 PM EDT
for south central and southwestern Michigan.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
&&
LAT...LON 4242 8530 4242 8472 4207 8471 4207 8529
TIME...MOT...LOC 2325Z 233DEG 24KT 4206 8503
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
TJT4 follow-up statements
357
WWUS53 KGRR 080013
SVSGRR
Severe Weather Statement
National Weather Service Grand Rapids MI
813 PM EDT Tue May 7 2024
MIC025-080100-
/O.CON.KGRR.SV.W.0021.000000T0000Z-240508T0100Z/
Calhoun MI-
813 PM EDT Tue May 7 2024
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR CALHOUN COUNTY...
At 813 PM EDT, a severe thunderstorm was located over Marshall,
moving northeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Albion... Marshall... Battle Creek...
Homer... Union City... Burlington...
Brownlee Park... Marengo... Athens...
Tekonsha... Duck Lake... Pine Creek...
Bedford... Ceresco...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 900 PM EDT for southwestern
Michigan. A Tornado Watch also remains in effect until 1100 PM EDT
for south central and southwestern Michigan.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4242 8530 4242 8472 4207 8471 4207 8529
TIME...MOT...LOC 0013Z 244DEG 23KT 4226 8497
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MJS445
WWUS53 KGRR 080026
SVSGRR
Severe Weather Statement
National Weather Service Grand Rapids MI
826 PM EDT Tue May 7 2024
MIC025-080100-
/O.CON.KGRR.SV.W.0021.000000T0000Z-240508T0100Z/
Calhoun MI-
826 PM EDT Tue May 7 2024
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR CALHOUN COUNTY...
At 826 PM EDT, a severe thunderstorm was located over Homer, or 8
miles southwest of Albion, moving east at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Albion... Marshall... Battle Creek...
Homer... Union City... Burlington...
Brownlee Park... Marengo... Athens...
Tekonsha... Duck Lake... Pine Creek...
Ceresco...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM EDT for south central
Michigan.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4232 8515 4242 8472 4207 8471 4207 8529
4227 8529
TIME...MOT...LOC 0026Z 251DEG 33KT 4214 8485
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MJS346
WWUS53 KGRR 080034
SVSGRR
Severe Weather Statement
National Weather Service Grand Rapids MI
834 PM EDT Tue May 7 2024
MIC025-080100-
/O.CON.KGRR.SV.W.0021.000000T0000Z-240508T0100Z/
Calhoun MI-
834 PM EDT Tue May 7 2024
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR SOUTHEASTERN CALHOUN COUNTY...
At 834 PM EDT, a severe thunderstorm was located over Homer, or 7
miles south of Albion, moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Albion... Marshall... Homer...
Union City... Burlington... Marengo...
Tekonsha...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM EDT for south central
Michigan.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4222 8500 4239 8472 4207 8471 4207 8524
4215 8513
TIME...MOT...LOC 0034Z 253DEG 20KT 4214 8478
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MJS358
WWUS53 KGRR 080048
SVSGRR
Severe Weather Statement
National Weather Service Grand Rapids MI
848 PM EDT Tue May 7 2024
MIC025-080058-
/O.CAN.KGRR.SV.W.0021.000000T0000Z-240508T0100Z/
Calhoun MI-
848 PM EDT Tue May 7 2024
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CALHOUN COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1100 PM EDT for south central
Michigan.
LAT...LON 4222 8500 4239 8472 4207 8471 4207 8524
4215 8513
TIME...MOT...LOC 0046Z 233DEG 24KT 4220 8468
$$
MJSThe office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 11:15 AM EDT | Special Marine Warning | GRR | 104 min | |
| May 7, 11:22 AM EDT | Special Weather Statement | GRR | Allegan, Barry, Calhoun, Kalamazoo, Kent, Muskegon and 2 more | 83 min |
| May 7, 4:17 PM EDT | Special Marine Warning | GRR | 88 min | |
| May 7, 4:46 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Van Buren | 89 min |
| May 7, 5:14 PM EDT | Tornado Warning | GRR | Van Buren | 31 min |
| May 7, 5:17 PM EDT | Special Marine Warning | GRR | 88 min | |
| May 7, 5:38 PM EDT | Tornado Warning | GRR | Kalamazoo, Van Buren | 50 min |
| May 7, 5:55 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun | 95 min |
| May 7, 6:05 PM EDT | Tornado Warning | GRR | Kalamazoo | 39 min |
| May 7, 6:11 PM EDT | Severe Thunderstorm Warning | GRR | Muskegon, Oceana | 45 min |
| May 7, 6:13 PM EDT | Tornado Warning | GRR | Calhoun | 62 min |
| May 7, 6:42 PM EDT | Severe Thunderstorm Warning | GRR | Jackson | 93 min |
| May 7, 7:05 PM EDT | Severe Thunderstorm Warning | GRR | Kalamazoo, Van Buren | 55 min |
| May 7, 7:20 PM EDT | Tornado Warning | GRR | Kalamazoo | 26 min |
| May 7, 7:35 PM EDT | Tornado Warning | GRR | Calhoun | 25 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2024Every severe thunderstorm warning in 2024
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.