Alert archive / North Dakota / Winter Storm Warnings in 2009
Winter Storm Warning 6, NWS Bismarck, ND
NWS Bismarck, ND issued this winter storm warning at Mar 23, 2009, 4:26 PM CDT for 4 counties in North Dakota. It took effect at Mar 24, 2009, 1:00 AM CDT. It was in force for 18 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 23, 2009, 4:26 PM CDT (21:26 UTC)
- In effect from
- Mar 24, 2009, 1:00 AM CDT
- Expired
- Mar 24, 2009, 7:00 PM CDT
- In force
- 18 hr
- Issued by
- NWS Bismarck, ND
Counties Foster County, ND, Logan County, ND, McIntosh County, ND, Stutsman County, ND
The radar
The Bismarck radar (KBIS), 120 km from the middle of the area, began a volume at 21:28 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, 9.4 hours before the alert went out and 115 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
- 488 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 143 m²/s²
- 0-3 km storm-relative helicity
- 240 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 22, 8:49 PM CDT | River Flood Warning | BIS | Grant, Sioux | 4 days |
| Mar 22, 8:57 PM CDT | River Flood Warning | BIS | Dunn | 37 hr |
| Mar 22, 9:18 PM CDT | River Flood Warning | BIS | LaMoure | 11 days |
| Mar 22, 10:03 PM CDT | Dense Fog Advisory | BIS | Adams, Billings, Bottineau, Bowman, Burke, Burleigh and 26 more | 156 days |
| Mar 22, 10:03 PM CDT | Dense Fog Advisory | BIS | Bottineau, Burke, Burleigh, Dickey, Emmons, Foster and 14 more | 12 hr |
| Mar 23, 12:44 PM CDT | Severe Thunderstorm Warning | BIS | Emmons | 32 min |
Nearby
Winter Storm Warnings in North Dakota, 2009Every winter storm warning 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.