Alert archive / North Dakota / Areal Flood Warnings in 2011
Areal Flood Warning 9, NWS Bismarck, ND
NWS Bismarck, ND issued this areal flood warning at Apr 14, 2011, 10:11 AM CDT for 8 counties in North Dakota. It was in force for 20 days. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 14, 2011, 10:11 AM CDT (15:11 UTC)
- Expired
- May 4, 2011, 8:59 AM CDT
- In force
- 20 days
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bottineau County, ND, Burke County, ND, McHenry County, ND, Mountrail County, ND, Pierce County, ND, Renville County, ND, Rolette County, ND, Ward County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 3.2 hours before the alert went out and 195 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1034 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood warning 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 areal flood warning went out at Apr 14, 7:05 AM CDT, 3 hours 6 minutes earlier.
Area forecast discussion, Apr 14, 7:05 AM CDT, 3 hours 6 minutes before
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<div class="status" id="status">Temporary Notice</div>
<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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</html>The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 3:38 AM CDT | Winter Storm Warning | BIS | Burleigh, Dickey, Emmons, Foster, Kidder, LaMoure and 5 more | 42 hr |
| Apr 14, 3:38 AM CDT | Winter Weather Advisory | BIS | Adams, Billings, Bowman, Burleigh, Foster, Golden Valley and 11 more | 39 hr |
Nearby
Areal Flood Warnings in North Dakota, 2011Every areal flood warning in 2011
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.