Alert archive / Minnesota / Wind Chill Advisories in 2015

Wind Chill Advisory 17, NWS Grand Forks, ND

February 25, 201517 counties in North Dakota; 18 counties in Minnesota

NWS Grand Forks, ND issued this wind chill advisory at Feb 25, 2015, 3:12 PM CST for 17 counties in North Dakota; 18 counties in Minnesota. It took effect at Feb 25, 2015, 8:00 PM CST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Feb 25, 2015, 3:12 PM CST (21:12 UTC)
In effect from: Feb 25, 2015, 8:00 PM CST
Expired: Feb 26, 2015, 11:01 AM CST
In force: 15 hr
Issued by: NWS Grand Forks, ND

All 35 counties

Becker County, MN, Beltrami County, MN, Clay County, MN, Clearwater County, MN, Grant County, MN, Hubbard County, MN, Kittson County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Otter Tail County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Wadena County, MN, Wilkin County, MN, Barnes County, ND, Benson County, ND, Cass County, ND, Cavalier County, ND, Eddy County, ND, Grand Forks County, ND, Griggs County, ND, Nelson County, ND, Pembina County, ND, Ramsey County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Steele County, ND, Towner County, ND, Traill County, ND, Walsh County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 32 km from the middle of the area, began a volume at 21:17 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

Aberdeen, SD (KABR), launched 12:00Z, 9.2 hours before the alert went out and 317 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: 681 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 134 m²/s²
0-3 km storm-relative helicity: 386 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 wind chill advisory 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 wind chill advisory went out at Feb 25, 12:47 PM CST, 2 hours 25 minutes earlier.

Area forecast discussion, Feb 25, 12:47 PM CST, 2 hours 25 minutes before

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Hazardous weather outlook, Feb 25, 5:44 AM CST, 9 hours 28 minutes before

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In the hours before

Local storm report, Feb 25, 11:42 AM CST, 3 hours 30 minutes before

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Nearby

Wind Chill Advisories in Minnesota, 2015 Wind Chill Advisories in North Dakota, 2015 Every wind chill advisory in 2015

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.