Alert archive / Michigan / Special Weather Statements in 2021
Special Weather Statement, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this special weather statement at Jun 12, 2021, 3:54 PM EDT for Clare County, Isabella County, Mecosta County, Michigan. It was in force for 66 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 12, 2021, 3:54 PM EDT (19:54 UTC)
- Expired
- Jun 12, 2021, 5:00 PM EDT
- In force
- 66 min
- Issued by
- NWS Grand Rapids, MI
Counties Clare County, MI, Isabella County, MI, Mecosta County, MI
The radar
The Grand Rapids radar (KGRR), 107 km from the middle of the area, began a volume at 19:53 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.
The nearest sounding before it
Alpena, MI (KAPX), launched 12:00Z, 7.9 hours before the alert went out and 245 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
- 725 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -48 m²/s²
- 0-3 km storm-relative helicity
- -21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Jun 12, 2:51 PM EDT, 1 hour 3 minutes earlier.
Area forecast discussion, Jun 12, 2:51 PM EDT, 1 hour 3 minutes before
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</html>Hazardous weather outlook, Jun 12, 4:34 AM EDT, 11 hours 20 minutes before
Hazardous Weather Outlook National Weather Service Grand Rapids MI 434 AM EDT Sat Jun 12 2021 MIZ037>040-043>046-050>052-056>059-064>067-071>074-130845- Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon- Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton- Ingham-Van Buren-Kalamazoo-Calhoun-Jackson- 434 AM EDT Sat Jun 12 2021 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...Today and Tonight There is a threat today of isolated severe weather along the U.S. Highway 127 corridor. The best chance would be from Lansing north through Alma, Mt. Pleasant, Clare and Harrison. All storms today will be capable of lightning, locally heavy rain, wind gusts to 35 mph and small hail. The strongest of storms will be capable of wind gusts to around 60 mph and 1 inch hail. The time frame of concern will be from 300pm through 1000pm. .DAYS TWO THROUGH SEVEN...Sunday through Friday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. LMZ844>849-130845- 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- 434 AM EDT Sat Jun 12 2021 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...Today and Tonight Areas of fog are possible on Lake Michigan today into tonight. .DAYS TWO THROUGH SEVEN...Sunday through Friday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. DUKE
In the hours before
Special weather statement, Jun 12, 3:54 PM EDT, 0 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 |
|---|---|---|---|---|
| Jun 12, 4:36 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot, Isabella | 39 min |
| Jun 12, 5:44 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Gratiot, Montcalm | 46 min |
| Jun 12, 6:37 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Ingham | 38 min |
| Jun 12, 6:45 PM EDT | Severe Thunderstorm Warning | GRR | Clare, Osceola | 30 min |
| Jun 12, 7:43 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot, Isabella, Mecosta, Montcalm | 47 min |
Nearby
Special Weather Statements in Michigan, 2021Every special weather statement 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.