Alert archive / Michigan / Special Weather Statements in 2017
Special Weather Statement, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this special weather statement at Oct 7, 2017, 6:22 PM EDT for Allegan County, Kent County, Van Buren County, Michigan. It was in force for 53 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
- Oct 7, 2017, 6:22 PM EDT (22:22 UTC)
- Expired
- Oct 7, 2017, 7:15 PM EDT
- In force
- 53 min
- Issued by
- NWS Grand Rapids, MI
Counties Allegan County, MI, Kent County, MI, Van Buren County, MI
The radar
The Grand Rapids radar (KGRR), 42 km from the middle of the area, began a volume at 22:22 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
Lincoln, IL (KILX), launched 12:00Z, 10.4 hours before the alert went out and 356 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
- 1098 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 296 m²/s²
- 0-3 km storm-relative helicity
- 338 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Oct 7, 3:20 PM EDT, 3 hours 2 minutes earlier.
Area forecast discussion, Oct 7, 3:20 PM EDT, 3 hours 2 minutes before
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</html>Hazardous weather outlook, Oct 7, 11:42 AM EDT, 6 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK National Weather Service Grand Rapids MI 1142 AM EDT Sat Oct 7 2017 MIZ037>040-043>046-050>052-056>059-064>067-071>074-080845- Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon- Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton- Ingham-Van Buren-Kalamazoo-Calhoun-Jackson- 1142 AM EDT Sat Oct 7 2017 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...This afternoon and Tonight Wind gusts near 40 mph are possible this afternoon. A fast moving narrow band of heavy rainshowers or thunderstorms this evening could produce wind gusts of 40 to 60 mph. Downed limbs and scattered power outages may occur. A brief tornado is possible too, mainly south of I-96 and east of US-131. .DAYS TWO THROUGH SEVEN...Sunday through Friday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed this evening. LMZ844>849-080845- 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- 1142 AM EDT Sat Oct 7 2017 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...This afternoon and Tonight Winds and waves will be hazardous to small craft today and tonight. Gale warnings are in effect. A line of heavy rainshowers or thunderstorms is expected to cross Lake Michigan early this evening and could produce winds up to 50 knots. .DAYS TWO THROUGH SEVEN...Sunday through Friday Winds and waves will remain hazardous to small craft Sunday morning before gradually subsiding Sunday afternoon. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed this afternoon. Meade 93
In the hours before
Local storm report, Oct 7, 4:11 PM EDT, 2 hours 11 minutes before
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</html>Special weather statement, Oct 7, 6:12 PM EDT, 10 minutes before
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</html>Special weather statement, Oct 7, 6:22 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 |
|---|---|---|---|---|
| Oct 7, 4:06 AM EDT | Gale Warning | GRR | 22 hr | |
| Oct 7, 6:05 PM EDT | Special Marine Warning | GRR | 40 min | |
| Oct 7, 6:12 PM EDT | Special Weather Statement | GRR | Muskegon, Newaygo, Oceana, Ottawa | 63 min |
| Oct 7, 7:34 PM EDT | Special Weather Statement | GRR | Barry, Calhoun, Eaton, Kalamazoo | 56 min |
| Oct 7, 7:59 PM EDT | Special Weather Statement | GRR | Clare, Ionia, Isabella, Mecosta, Montcalm | 61 min |
Nearby
Special Weather Statements in Michigan, 2017Every special weather statement in 2017
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.