Alert archive / North Dakota / Wind Chill Advisories in 2018

Wind Chill Advisory 5, NWS Bismarck, ND

February 3, 201832 counties in North Dakota

NWS Bismarck, ND issued this wind chill advisory at Feb 3, 2018, 2:18 AM MST for 32 counties in North Dakota. It took effect at Feb 3, 2018, 5:00 PM MST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued: Feb 3, 2018, 2:18 AM MST (09:18 UTC)
In effect from: Feb 3, 2018, 5:00 PM MST
Expired: Feb 4, 2018, 11:00 AM MST
In force: 18 hr
Issued by: NWS Bismarck, ND

All 32 counties

Adams County, ND, Billings County, ND, Bottineau County, ND, Bowman County, ND, Burke County, ND, Burleigh County, ND, Dickey County, ND, Divide County, ND, Dunn County, ND, Emmons County, ND, Foster County, ND, Golden Valley County, ND, Grant County, ND, Hettinger County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McHenry County, ND, McIntosh County, ND, McKenzie County, ND, Mercer County, ND, Mountrail County, ND, Oliver County, ND, Pierce County, ND, Renville County, ND, Rolette County, ND, Sheridan County, ND, Slope County, ND, Stark County, ND, Stutsman County, ND, Wells County, ND, Williams County, ND

The radar

The Bismarck radar (KBIS), 72 km from the middle of the area, began a volume at 09:18 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 00:00Z, 9.3 hours before the alert went out and 348 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: 1079 m above ground
0-6 km bulk shear: 82 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 172 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 Bismarck, ND wrote its last area forecast discussion before this wind chill advisory went out at Feb 3, 2:11 AM MST, 7 minutes earlier.

Area forecast discussion, Feb 3, 2:11 AM MST, 7 minutes before

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Hazardous weather outlook, Feb 2, 10:29 PM MST, 3 hours 49 minutes before

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Nearby

Wind Chill Advisories in North Dakota, 2018 Every wind chill advisory in 2018

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.