Alert archive / Michigan / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 87, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this severe thunderstorm warning at Aug 27, 2024, 5:12 PM EDT for Jackson County, Michigan. It was in force for 63 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
- Aug 27, 2024, 5:12 PM EDT (21:12 UTC)
- Expired
- Aug 27, 2024, 6:15 PM EDT
- In force
- 63 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Jackson County, MI
The radar
The Detroit radar (KDTX), 93 km from the middle of the area, began a volume at 21:15 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 |
|---|---|---|---|
| Aug 27, 1:48 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 9.2 hours before the alert went out and 97 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
- 1160 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 1052 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
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 Aug 27, 2:57 PM EDT, 2 hours 15 minutes earlier.
Area forecast discussion, Aug 27, 2:57 PM EDT, 2 hours 15 minutes before
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</html>Hazardous weather outlook, Aug 27, 4:51 AM EDT, 12 hours 21 minutes before
Hazardous Weather Outlook National Weather Service Grand Rapids MI 451 AM EDT Tue Aug 27 2024 MIZ037>040-043>046-050>052-056>059-064>067-071>074-280900- Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon- Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton- Ingham-Van Buren-Kalamazoo-Calhoun-Jackson- 451 AM EDT Tue Aug 27 2024 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...Today and Tonight Thunderstorms are expected to move across the region this morning with strong gusts the main concern. Locally heavy downpours with nuisance flooding remains possible. Heat indices of 100 to 105 Tuesday afternoon may be hazardous for those without adequate cooling facilities. Thunderstorms this afternoon and evening could become severe. .DAYS TWO THROUGH SEVEN...Wednesday through Monday Thunderstorms are possible each day Tuesday through Friday. Some storms early Wednesday could be strong to severe. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed Tuesday night. LMZ844>849-280900- St Joseph to South Haven MI-South Haven to Holland MI- Holland to Grand Haven MI-Grand Haven to Whitehall MI- Whitehall to Pentwater MI-Pentwater to Manistee MI- 451 AM EDT Tue Aug 27 2024 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...Today and Tonight Thunderstorms are expected to affect the nearshore waters. Frequent cloud to water lightning and strong wind gusts will be the main concerns. .DAYS TWO THROUGH SEVEN...Wednesday through Monday Thunderstorms are possible each day through Friday. Some storms late Tuesday into Wednesday could be strong to severe. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed Tuesday night.
In the hours before
Local storm report, Aug 27, 4:13 PM EDT, 59 minutes before
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</html>Local storm report, Aug 27, 4:27 PM EDT, 45 minutes before
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</html>Local storm report, Aug 27, 4:35 PM EDT, 37 minutes before
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</html>Local storm report, Aug 27, 4:38 PM EDT, 34 minutes before
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</html>Local storm report, Aug 27, 4:40 PM EDT, 32 minutes before
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</html>Local storm report, Aug 27, 4:53 PM EDT, 19 minutes before
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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 |
|---|---|---|---|---|
| Aug 27, 2:43 AM EDT | Special Marine Warning | GRR | 92 min | |
| Aug 27, 3:22 AM EDT | Special Weather Statement | GRR | Mason, Oceana | 83 min |
| Aug 27, 3:59 AM EDT | Special Weather Statement | GRR | Lake, Muskegon, Newaygo | 91 min |
| Aug 27, 4:34 AM EDT | Special Weather Statement | GRR | Kent, Mecosta, Montcalm, Osceola, Ottawa | 86 min |
| Aug 27, 5:03 AM EDT | Special Weather Statement | GRR | Clare | 57 min |
| Aug 27, 12:59 PM EDT | Special Marine Warning | GRR | 91 min | |
| Aug 27, 1:26 PM EDT | Special Weather Statement | GRR | Mason | 64 min |
| Aug 27, 1:51 PM EDT | Severe Thunderstorm Warning | GRR | Lake, Mason | 54 min |
| Aug 27, 1:57 PM EDT | Special Marine Warning | GRR | 63 min | |
| Aug 27, 2:20 PM EDT | Special Weather Statement | GRR | Mecosta | 40 min |
| Aug 27, 2:26 PM EDT | Severe Thunderstorm Warning | GRR | Muskegon, Newaygo, Oceana | 49 min |
| Aug 27, 2:31 PM EDT | Special Marine Warning | GRR | 33 min | |
| Aug 27, 2:31 PM EDT | Severe Thunderstorm Warning | GRR | Mecosta, Newaygo | 59 min |
| Aug 27, 2:34 PM EDT | Severe Thunderstorm Warning | GRR | Osceola | 41 min |
| Aug 27, 2:43 PM EDT | Special Marine Warning | GRR | 62 min | |
| Aug 27, 2:50 PM EDT | Severe Thunderstorm Warning | GRR | Clare, Isabella | 64 min |
| Aug 27, 2:56 PM EDT | Special Weather Statement | GRR | Ottawa | 49 min |
| Aug 27, 3:14 PM EDT | Special Weather Statement | GRR | Kent | 46 min |
| Aug 27, 3:18 PM EDT | Severe Thunderstorm Warning | GRR | Kent | 42 min |
| Aug 27, 3:30 PM EDT | Severe Thunderstorm Warning | GRR | Kent | 30 min |
| Aug 27, 3:36 PM EDT | Severe Thunderstorm Warning | GRR | Ionia, Montcalm | 54 min |
| Aug 27, 3:55 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Gratiot | 65 min |
| Aug 27, 4:08 PM EDT | Severe Thunderstorm Warning | GRR | Barry, Eaton | 67 min |
| Aug 27, 4:24 PM EDT | Severe Thunderstorm Warning | GRR | Ingham | 66 min |
| Aug 27, 4:50 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun | 42 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.