Alert archive / North Dakota / Wind Chill Advisories in 2009

Wind Chill Advisory 8, NWS Bismarck, ND

February 26, 200925 counties in North Dakota

NWS Bismarck, ND issued this wind chill advisory at Feb 26, 2009, 4:00 PM CST for 25 counties in North Dakota. It took effect at Feb 26, 2009, 6:00 PM CST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued: Feb 26, 2009, 4:00 PM CST (22:00 UTC)
In effect from: Feb 26, 2009, 6:00 PM CST
Expired: Feb 27, 2009, 12:00 PM CST
In force: 18 hr
Issued by: NWS Bismarck, ND

All 25 counties

Bottineau County, ND, Burke County, ND, Burleigh County, ND, Dickey County, ND, Divide County, ND, Dunn County, ND, Emmons County, ND, Foster County, ND, Grant 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, Stutsman County, ND, Wells County, ND, Williams County, ND

The radar

The Bismarck radar (KBIS), 82 km from the middle of the area, began a volume at 21:59 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

Bismarck Municip, ND (KBIS), launched 12:00Z, 10.0 hours before the alert went out and 83 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: 626 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 77 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 26, 2:30 PM CST, 1 hour 30 minutes earlier.

Area forecast discussion, Feb 26, 2:30 PM CST, 1 hour 30 minutes before

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Hazardous weather outlook, Feb 26, 7:29 AM CST, 8 hours 31 minutes before

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In the hours before

Local storm report, Feb 26, 11:20 AM CST, 4 hours 40 minutes before

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Local storm report, Feb 26, 11:28 AM CST, 4 hours 32 minutes before

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Local storm report, Feb 26, 11:35 AM CST, 4 hours 25 minutes before

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Local storm report, Feb 26, 2:06 PM CST, 1 hour 54 minutes before

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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 26, 7:07 AM CST	Winter Storm Warning	BIS	Dickey, Emmons, LaMoure, Logan, McIntosh, Stutsman	9 hr
Feb 26, 4:00 PM CST	Winter Weather Advisory	BIS	Adams, Billings, Bowman, Golden Valley, Grant, Hettinger and 2 more	26 hr

Nearby

Wind Chill Advisories in North Dakota, 2009 Every wind chill advisory 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.