Alert archive / Michigan / Winter Weather Advisories in 2017
Winter Weather Advisory 4, NWS Gaylord, MI
NWS Gaylord, MI issued this winter weather advisory at Jan 9, 2017, 1:46 PM EST for 22 counties in Michigan. It took effect at Jan 9, 2017, 11:00 PM EST. It was in force for 22 hr.
The area
The counties it named.
The facts
- Issued
- Jan 9, 2017, 1:46 PM EST (18:46 UTC)
- In effect from
- Jan 9, 2017, 11:00 PM EST
- Expired
- Jan 10, 2017, 8:35 PM EST
- In force
- 22 hr
- Issued by
- NWS Gaylord, MI
All 22 counties
Alcona County, MI, Alpena County, MI, Antrim County, MI, Arenac County, MI, Benzie County, MI, Cheboygan County, MI, Crawford County, MI, Emmet County, MI, Gladwin County, MI, Grand Traverse County, MI, Iosco County, MI, Kalkaska County, MI, Leelanau County, MI, Manistee County, MI, Missaukee County, MI, Montmorency County, MI, Ogemaw County, MI, Oscoda County, MI, Otsego County, MI, Presque Isle County, MI, Roscommon County, MI, Wexford County, MI
The radar
The NCL Michigan radar (KAPX), 21 km from the middle of the area, began a volume at 18:51 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
Green Bay/Straub, WI (KGRB), launched 12:00Z, 6.8 hours before the alert went out and 272 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
- 709 m above ground
- 0-6 km bulk shear
- 85 kt
- 0-1 km storm-relative helicity
- 174 m²/s²
- 0-3 km storm-relative helicity
- 239 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Gaylord, MI wrote its last area forecast discussion before this winter weather advisory went out at Jan 8, 6:39 PM EST, 19 hours 7 minutes earlier.
Area forecast discussion, Jan 8, 6:39 PM EST, 19 hours 7 minutes before
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</html>Hazardous weather outlook, Jan 8, 4:06 PM EST, 21 hours 40 minutes before
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</html>The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 9, 3:54 PM EST | Gale Warning | APX | 39 hr |
Nearby
Winter Weather Advisories in Michigan, 2017Every winter weather advisory 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.