Alert archive / Michigan / Snow Advisories in 2008
Snow Advisory 3, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this snow advisory at Jan 31, 2008, 3:27 AM EST for 4 counties in Michigan. It took effect at Jan 31, 2008, 7:00 PM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jan 31, 2008, 3:27 AM EST (08:27 UTC)
- In effect from
- Jan 31, 2008, 7:00 PM EST
- Expired
- Jan 31, 2008, 12:21 PM EST
- In force
- Issued by
- NWS Grand Rapids, MI
Counties Isabella County, MI, Kent County, MI, Montcalm County, MI, Ottawa County, MI
The radar
The Grand Rapids radar (KGRR), 40 km from the middle of the area, began a volume at 08:27 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 00:00Z, 8.5 hours before the alert went out and 173 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
- 722 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this snow advisory 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 snow advisory went out at Jan 31, 12:26 AM EST, 3 hours 1 minute earlier.
Area forecast discussion, Jan 31, 12:26 AM EST, 3 hours 1 minute before
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</html>Hazardous weather outlook, Jan 30, 6:32 PM EST, 8 hours 55 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 |
|---|---|---|---|---|
| Jan 31, 3:27 AM EST | Heavy Snow Warning | GRR | Allegan, Barry, Calhoun, Clinton, Eaton, Gratiot and 9 more | 37 hr |
| Jan 31, 12:21 PM EST | Snow Advisory | GRR | Clare, Mecosta, Muskegon, Newaygo, Osceola | 28 hr |
| Jan 31, 4:08 PM EST | Flood Watch | GRR | Kent, Ottawa | 6 days |
| Jan 31, 4:22 PM EST | River Flood Warning | GRR | Kent | 11 days |
Nearby
Snow Advisories in Michigan, 2008Every snow advisory in 2008
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.