Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 23, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this severe thunderstorm warning at Jun 26, 2021, 8:21 PM EDT for Kalamazoo County, Michigan. It was in force for 39 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
- Jun 26, 2021, 8:21 PM EDT (00:21 UTC)
- Expired
- Jun 26, 2021, 9:00 PM EDT
- In force
- 39 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Kalamazoo County, MI
The radar
The Grand Rapids radar (KGRR), 66 km from the middle of the area, began a volume at 00:23 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 |
|---|---|---|---|
| Jun 26, 1:05 PM EDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 00:00Z, 0.4 hours before the alert went out and 184 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
- 651 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 832 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 309 m²/s²
- 0-3 km storm-relative helicity
- 359 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 5.9
The text
As transmitted.
180
WUUS53 KGRR 270021
SVRGRR
MIC077-270100-
/O.NEW.KGRR.SV.W.0023.210627T0021Z-210627T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Rapids MI
821 PM EDT Sat Jun 26 2021
The National Weather Service in Grand Rapids has issued a
* Severe Thunderstorm Warning for...
Kalamazoo County in southwestern Michigan...
* Until 900 PM EDT.
* At 820 PM EDT, severe thunderstorms were located along a line
extending from near Paw Paw to 6 miles east of Cassopolis, moving
northeast at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Kalamazoo... Portage... Vicksburg...
Galesburg... Schoolcraft... Climax...
Richland... Comstock Northwest... Westwood...
Gull Lake... Alamo... Fulton...
Augusta... Oshtemo... Comstock...
Scotts... Cooper...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM EDT for southwestern
Michigan.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4241 8576 4242 8574 4242 8530 4207 8530
4207 8576
TIME...MOT...LOC 0020Z 243DEG 42KT 4227 8593 4194 8590
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
MEADE1 follow-up statement
020
WWUS53 KGRR 270101
SVSGRR
Severe Weather Statement
National Weather Service Grand Rapids MI
901 PM EDT Sat Jun 26 2021
MIC077-270110-
/O.EXP.KGRR.SV.W.0023.000000T0000Z-210627T0100Z/
Kalamazoo MI-
901 PM EDT Sat Jun 26 2021
...THE SEVERE THUNDERSTORM WARNING FOR KALAMAZOO COUNTY HAS
EXPIRED...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been allowed to expire. However, gusty
winds to 45 to 50 mph are still possible with these thunderstorms
through 930pm.
A Tornado Watch remains in effect until 1000 PM EDT for southwestern
Michigan.
LAT...LON 4241 8576 4242 8574 4242 8530 4207 8530
4207 8576
TIME...MOT...LOC 0100Z 243DEG 42KT 4246 8541 4213 8539
$$
DUKEThe office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 8:14 PM EDT | Areal Flood Warning | GRR | Calhoun, Clinton, Eaton, Ingham, Jackson | 38 hr |
| Jun 27, 10:54 AM EDT | River Flood Warning | GRR | Clinton | 7 days |
| Jun 27, 4:21 PM EDT | River Flood Warning | GRR | Kent | 7 days |
Nearby
Severe Thunderstorm Warnings in Michigan, 2021Every severe thunderstorm warning in 2021
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.