Alert archive / Michigan / Severe Thunderstorm Warnings in 2022
Severe Thunderstorm Warning 20, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this severe thunderstorm warning at Jun 16, 2022, 3:48 AM EDT for Gratiot County, Isabella County, Michigan. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 16, 2022, 3:48 AM EDT (07:48 UTC)
- Expired
- Jun 16, 2022, 4:15 AM EDT
- In force
- 27 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Gratiot County, MI, Isabella County, MI
The radar
The Grand Rapids radar (KGRR), 92 km from the middle of the area, began a volume at 07:48 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 nearest sounding before it
Alpena, MI (KAPX), launched 00:00Z, 7.8 hours before the alert went out and 257 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
- 1341 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 1517 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Rapids, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 15, 7:42 PM EDT, 8 hours 6 minutes earlier.
Area forecast discussion, Jun 15, 7:42 PM EDT, 8 hours 6 minutes before
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</html>Hazardous weather outlook, Jun 15, 4:02 AM EDT, 23 hours 46 minutes before
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<h1 id="headline">This service is currently unavailable.</h1>
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The site you requested is temporarily down for maintenance or an unexpected outage.
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</html>The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 10:29 PM EDT | Special Weather Statement | GRR | Lake, Newaygo | 61 min |
| Jun 16, 1:07 AM EDT | Special Marine Warning | GRR | 53 min | |
| Jun 16, 2:21 AM EDT | Special Marine Warning | GRR | 54 min | |
| Jun 16, 2:29 AM EDT | Special Weather Statement | GRR | Kent | 61 min |
| Jun 16, 3:16 AM EDT | Special Weather Statement | GRR | Gratiot, Ionia, Montcalm | 59 min |
| Jun 16, 5:15 AM EDT | Special Weather Statement | GRR | Calhoun, Kalamazoo | 60 min |
| Jun 16, 6:30 AM EDT | Special Weather Statement | GRR | Calhoun, Ingham, Jackson | 60 min |
| Jun 16, 7:19 AM EDT | Marine Dense Fog Advisory | GRR | 4 hr |
Nearby
Severe Thunderstorm Warnings in Michigan, 2022Every severe thunderstorm warning in 2022
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.