Alert archive / Michigan / Winter Storm Watches in 2009

Winter Storm Watch 2, NWS Gaylord, MI

January 16, 200922 counties in Michigan

NWS Gaylord, MI issued this winter storm watch at Jan 16, 2009, 4:24 PM EST for 22 counties in Michigan. It took effect at Jan 17, 2009, 7:00 AM EST. It was in force for .

The area

The counties it named.

The facts

Issued: Jan 16, 2009, 4:24 PM EST (21:24 UTC)
In effect from: Jan 17, 2009, 7:00 AM EST
Expired: Jan 17, 2009, 3:41 AM EST
In force
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 21:27 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.4 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1717 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 117 m²/s²
0-3 km storm-relative helicity: 143 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this winter storm watch 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 storm watch went out at Jan 16, 4:20 PM EST, 4 minutes earlier.

Area forecast discussion, Jan 16, 4:20 PM EST, 4 minutes before

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Hazardous weather outlook, Jan 16, 11:53 AM EST, 4 hours 31 minutes before

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The office that day

Everything else NWS Gaylord, MI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 15, 10:43 PM EST	Wind Chill Advisory	APX	Alcona, Alpena, Antrim, Arenac, Benzie, Cheboygan and 16 more	13 hr
Jan 16, 4:02 AM EST	Heavy Freezing Spray Warning	APX		24 hr

Nearby

Winter Storm Watches in Michigan, 2009 Every winter storm watch in 2009

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.