Alert archive / North Dakota / Winter Storm Warnings in 2010

Winter Storm Warning 1, NWS Grand Forks, ND

January 6, 2010Wilkin County, Minnesota; 4 counties in North Dakota

NWS Grand Forks, ND issued this winter storm warning at Jan 6, 2010, 3:58 AM CST for Wilkin County, Minnesota; 4 counties in North Dakota. It was in force for 25 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: Jan 6, 2010, 3:58 AM CST (09:58 UTC)
Expired: Jan 7, 2010, 4:35 AM CST
In force: 25 hr
Issued by: NWS Grand Forks, ND

Counties Wilkin County, MN, Barnes County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 123 km from the middle of the area, began a volume at 09:58 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

Minneapolis, MN (KMPX), launched 00:00Z, 10.0 hours before the alert went out and 340 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: 2183 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: 35 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 warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Forks, ND wrote its last area forecast discussion before this winter storm warning went out at Jan 6, 3:33 AM CST, 25 minutes earlier.

Area forecast discussion, Jan 6, 3:33 AM CST, 25 minutes before

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The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 6, 3:39 PM CST	Wind Chill Advisory	FGF	Becker, Beltrami, Clay, Clearwater, Grant, Hubbard and 12 more	44 hr

Nearby

Winter Storm Warnings in North Dakota, 2010 Winter Storm Warnings in Minnesota, 2010 Every winter storm warning in 2010

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.