Alert archive / Michigan / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 1, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this severe thunderstorm warning at Feb 24, 2019, 3:28 AM EST for 4 counties in Michigan. It was in force for 62 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
- Feb 24, 2019, 3:28 AM EST (08:28 UTC)
- Expired
- Feb 24, 2019, 4:30 AM EST
- In force
- 62 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Calhoun County, MI, Eaton County, MI, Ingham County, MI, Jackson County, MI
The radar
The Grand Rapids radar (KGRR), 89 km from the middle of the area, began a volume at 08:30 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
Cncnati-Daytn, OH (KILN), launched 00:00Z, 8.5 hours before the alert went out and 340 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
- 619 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 353 m²/s²
- 0-3 km storm-relative helicity
- 366 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Feb 24, 12:56 AM EST, 2 hours 32 minutes earlier.
Area forecast discussion, Feb 24, 12:56 AM EST, 2 hours 32 minutes before
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</html>Hazardous weather outlook, Feb 23, 3:55 PM EST, 11 hours 33 minutes before
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Special weather statement, Feb 24, 2:05 AM EST, 1 hour 23 minutes before
Special Weather Statement
National Weather Service Grand Rapids MI
205 AM EST SUN FEB 24 2019
MIZ040-044>046-050>052-056>059-064>067-071>074-240900-
Clinton MI-Isabella MI-Gratiot MI-Ingham MI-Calhoun MI-Mecosta MI-
Allegan MI-Ottawa MI-Barry MI-Clare MI-Van Buren MI-Jackson MI-
Kalamazoo MI-Montcalm MI-Muskegon MI-Ionia MI-Eaton MI-Newaygo MI-
Kent MI-
205 AM EST SUN FEB 24 2019
...SIGNIFICANT WEATHER ADVISORY...
At 202 AM EST, Doppler radar was tracking developing showers and
thunderstorms that may contain strong winds along a line extending
from near Allegan to Paw Paw and Decatur. Movement was northeast at
65 mph.
Wind gusts around 50 mph with downed tree limbs will be possible with
these showers and storms.
Locations impacted include...
Grand Rapids... Lansing... Kalamazoo...
Portage... Muskegon... Jackson...
Holland... Mount Pleasant... Ionia...
Big Rapids... Grand Haven... Alma...
Charlotte... Albion... Greenville...
Mason... St. Johns... Hastings...
Marshall... Belding...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
from the National Weather Service.
&&
LAT...LON 4207 8605 4279 8612 4327 8636 4382 8525
4381 8509 4389 8509 4412 8461 4347 8461
4346 8437 4279 8437 4278 8416 4207 8413
TIME...MOT...LOC 0702Z 214DEG 57KT 4269 8592 4179 8595
DUKEThe office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 2:05 AM EST | Special Weather Statement | GRR | Barry, Calhoun, Clare, Clinton, Eaton, Gratiot and 9 more | 115 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2019Every severe thunderstorm warning in 2019
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.