Alert archive / North Dakota / Wind Chill Advisories in 2009

Wind Chill Advisory 7, NWS Bismarck, ND

February 25, 200915 counties in North Dakota

NWS Bismarck, ND issued this wind chill advisory at Feb 25, 2009, 3:21 PM CST for 15 counties in North Dakota. It took effect at Feb 25, 2009, 9:00 PM CST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Feb 25, 2009, 3:21 PM CST (21:21 UTC)
In effect from: Feb 25, 2009, 9:00 PM CST
Expired: Feb 26, 2009, 12:00 PM CST
In force: 15 hr
Issued by: NWS Bismarck, ND

Counties Bottineau County, ND, Burke County, ND, Divide County, ND, Dunn County, ND, Foster County, ND, McHenry County, ND, McKenzie County, ND, Mercer County, ND, Mountrail County, ND, Pierce County, ND, Renville County, ND, Rolette County, ND, Sheridan County, ND, Wells County, ND, Williams County, ND

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 9.4 hours before the alert went out and 428 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: 16 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 406 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: -150 m²/s²
0-3 km storm-relative helicity: -98 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 25, 2:50 PM CST, 31 minutes earlier.

Area forecast discussion, Feb 25, 2:50 PM CST, 31 minutes before

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Hazardous weather outlook, Feb 25, 4:45 AM CST, 10 hours 36 minutes before

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In the hours before

Local storm report, Feb 25, 10:15 AM CST, 5 hours 6 minutes before

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      <div class="status" id="status">Temporary Notice</div>
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        Please try again in a few minutes.
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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 25, 4:36 AM CST	Winter Weather Advisory	BIS	Adams, Billings, Bowman, Burleigh, Dickey, Emmons and 11 more	31 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.