Alert archive / Michigan / Tornado Warnings in 2024

Tornado Warning 21, NWS Grand Rapids, MI

November 10, 2024Gratiot County, Michigan

NWS Grand Rapids, MI issued this tornado warning at Nov 10, 2024, 5:50 PM EST for Gratiot County, Michigan. It was in force for 25 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Nov 10, 2024, 5:50 PM EST (22:50 UTC)
Expired
Nov 10, 2024, 6:15 PM EST
In force
25 min
Issued by
NWS Grand Rapids, MI
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Gratiot County, MI

The radar

The Grand Rapids radar (KGRR), 84 km from the middle of the area, began a volume at 22:53 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.

What was reported inside it

TimeReportWhereRemark
Nov 10, 5:50 PM ESTTORNADO3 Nw Perrinton, MIEF-0, peak winds 65 mph. Tornado path was along Hayes Road between Rich Road and Alger Road in rural southwest Gratiot County. Sporadic and isolated damage to trees.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 10.8 hours before the alert went out and 113 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.

Skew-T log-pSkew-T log-p diagram, Detroit, MI at 12:00Z on 2024-11-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2024-11-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 203 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
695 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
203 m²/s²
0-3 km storm-relative helicity
296 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

195 
WFUS53 KGRR 102250
TORGRR
MIC057-102315-
/O.NEW.KGRR.TO.W.0021.241110T2250Z-241110T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Grand Rapids MI
550 PM EST Sun Nov 10 2024

The National Weather Service in Grand Rapids has issued a

* Tornado Warning for...
  Central Gratiot County in central Michigan...

* Until 615 PM EST.

* At 550 PM EST, a severe thunderstorm capable of producing a tornado
  was located 7 miles northeast of Carson City, or 7 miles southwest
  of Ithaca, moving east at 45 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Ithaca around 555 PM EST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4317 8479 4328 8481 4339 8437 4317 8437
TIME...MOT...LOC 2250Z 257DEG 39KT 4323 8472 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

CAS
2 follow-up statements
687 
WWUS53 KGRR 102302
SVSGRR

Severe Weather Statement
National Weather Service Grand Rapids MI
602 PM EST Sun Nov 10 2024

MIC057-102315-
/O.CON.KGRR.TO.W.0021.000000T0000Z-241110T2315Z/
Gratiot MI-
602 PM EST Sun Nov 10 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM EST FOR EAST
CENTRAL GRATIOT COUNTY...

At 601 PM EST, a severe thunderstorm capable of producing a tornado
was located near Ithaca, moving east at 50 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
east central Gratiot County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4339 8437 4327 8437 4326 8458 4333 8460
TIME...MOT...LOC 2301Z 248DEG 43KT 4331 8453 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

CAS
689 
WWUS53 KGRR 102314
SVSGRR

Severe Weather Statement
National Weather Service Grand Rapids MI
614 PM EST Sun Nov 10 2024

MIC057-102320-
/O.EXP.KGRR.TO.W.0021.000000T0000Z-241110T2315Z/
Gratiot MI-
614 PM EST Sun Nov 10 2024

...THE TORNADO WARNING FOR EAST CENTRAL GRATIOT COUNTY WILL EXPIRE AT
615 PM EST...

The storm which prompted the warning for Gratiot County has moved 
out of the area. Therefore, the warning will be allowed to expire.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Grand Rapids.

LAT...LON 4339 8437 4327 8437 4326 8458 4333 8460
TIME...MOT...LOC 2310Z 257DEG 39KT 4333 8443 

$$

CAS

The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 10, 3:00 PM ESTSpecial Marine WarningGRR3 hr
Nov 10, 3:52 PM ESTSpecial Weather StatementGRROttawa38 min
Nov 10, 4:30 PM ESTSpecial Weather StatementGRRKalamazoo45 min
Nov 10, 4:34 PM ESTSpecial Weather StatementGRRKent41 min
Nov 10, 5:15 PM ESTSpecial Weather StatementGRRMontcalm45 min
Nov 10, 5:25 PM ESTSpecial Weather StatementGRREaton35 min
Nov 10, 5:43 PM ESTSpecial Weather StatementGRRGratiot32 min

Nearby

Tornado Warnings in Michigan, 2024Every tornado warning in 2024Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.