Alert archive / North Dakota / Winter Weather Advisories in 2021

Winter Weather Advisory 7, NWS Bismarck, ND

November 10, 202114 counties in North Dakota

NWS Bismarck, ND issued this winter weather advisory at Nov 10, 2021, 2:26 PM CST for 14 counties in North Dakota. It took effect at Nov 11, 2021, 12:00 PM CST. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued: Nov 10, 2021, 2:26 PM CST (20:26 UTC)
In effect from: Nov 11, 2021, 12:00 PM CST
Expired: Nov 12, 2021, 12:00 PM CST
In force: 24 hr
Issued by: NWS Bismarck, ND

Counties Bottineau County, ND, Dickey County, ND, Foster County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McHenry County, ND, McIntosh County, ND, Pierce County, ND, Renville County, ND, Rolette County, ND, Sheridan County, ND, Stutsman County, ND, Wells County, ND

The radar

The Bismarck radar (KBIS), 108 km from the middle of the area, began a volume at 20:31 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

Rapid City, SD (KUNR), launched 12:00Z, 8.4 hours before the alert went out and 448 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: 1067 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: -86 m²/s²
0-3 km storm-relative helicity: 24 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 weather 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 winter weather advisory went out at Nov 10, 10:02 AM CST, 4 hours 24 minutes earlier.

Area forecast discussion, Nov 10, 10:02 AM CST, 4 hours 24 minutes before

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Hazardous weather outlook, Nov 10, 10:05 AM CST, 4 hours 21 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 10, 2:17 PM CST	High Wind Watch	BIS	Adams, Billings, Bowman, Burke, Burleigh, Divide and 12 more	13 hr

Nearby

Winter Weather Advisories in North Dakota, 2021 Every winter weather advisory in 2021

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.