Alert archive / Michigan / Areal Flood Warnings in 2017
Areal Flood Warning 2, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this areal flood warning at Oct 14, 2017, 4:06 PM EDT for Calhoun County, Kalamazoo County, Van Buren County, Michigan. It was in force for 65 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 14, 2017, 4:06 PM EDT (20:06 UTC)
- Expired
- Oct 17, 2017, 8:57 AM EDT
- In force
- 65 hr
- Issued by
- NWS Grand Rapids, MI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Calhoun County, MI, Kalamazoo County, MI, Van Buren County, MI
The radar
The Grand Rapids radar (KGRR), 71 km from the middle of the area, began a volume at 20:07 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
Detroit, MI (KDTX), launched 12:00Z, 8.1 hours before the alert went out and 186 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
- 817 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 201 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood 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 areal flood warning went out at Oct 14, 3:27 PM EDT, 39 minutes earlier.
Area forecast discussion, Oct 14, 3:27 PM EDT, 39 minutes before
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</html>Hazardous weather outlook, Oct 14, 3:52 AM EDT, 12 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK National Weather Service Grand Rapids MI 352 AM EDT Sat Oct 14 2017 MIZ037>040-043>046-050>052-056>059-064>067-071>074-150800- Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon- Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton- Ingham-Van Buren-Kalamazoo-Calhoun-Jackson- 352 AM EDT Sat Oct 14 2017 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...Today and Tonight Small stream and urban flooding is possible through tonight. Rainfall rates over a half inch per hour will accompany the heaviest downpours. Leaves could clog drains enhancing the urban flood risk. A slight risk for severe thunderstorms exists into tonight. Damaging winds are the main risks. An isolated tornado will be possible. .DAYS TWO THROUGH SEVEN...Sunday through Friday Flooding could linger into Sunday if enough rain falls. Larger rivers are forecasted to experience steady rises. Scattered power outages may occur on Sunday as gusty winds over 40 mph may occur. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed into tonight. LMZ844>849-150800- 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- 352 AM EDT Sat Oct 14 2017 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...Today and Tonight Thunderstorms may pose a risk to mariners today and tonight. The wind will increase going into tonight and gales may develop. Boating will become hazardous. .DAYS TWO THROUGH SEVEN...Sunday through Friday Gale force winds look likely for Sunday. This will build the waves to over 8 feet for much of the nearshore area. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed into tonight.
In the hours before
Local storm report, Oct 14, 2:01 PM EDT, 2 hours 5 minutes before
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</html>Local storm report, Oct 14, 2:06 PM EDT, 2 hours before
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</html>Local storm report, Oct 14, 2:38 PM EDT, 1 hour 28 minutes before
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</html>Local storm report, Oct 14, 2:59 PM EDT, 1 hour 7 minutes before
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</html>Local storm report, Oct 14, 3:19 PM EDT, 47 minutes before
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</html>Local storm report, Oct 14, 3:35 PM EDT, 31 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 14, 3:14 AM EDT | Flood Watch | GRR | Allegan, Barry, Calhoun, Clinton, Eaton, Gratiot and 12 more | 24 hr |
| Oct 14, 10:26 AM EDT | Gale Warning | GRR | 32 hr | |
| Oct 14, 11:37 AM EDT | Wind Advisory | GRR | Allegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more | 28 hr |
| Oct 14, 1:16 PM EDT | Areal Flood Advisory | GRR | Calhoun, Kalamazoo, Van Buren | 24 hr |
| Oct 14, 5:08 PM EDT | Areal Flood Advisory | GRR | Allegan, Barry, Eaton, Ingham, Jackson | 24 hr |
Nearby
Areal Flood Warnings in Michigan, 2017Every areal flood warning 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.