Alert archive / North Dakota / Winter Storm Warnings in 2009

Winter Storm Warning 6, NWS Bismarck, ND

March 23, 20094 counties in North Dakota

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.

Skew-T log-pSkew-T log-p diagram, Bismarck Municip, ND at 12:00Z on 2009-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 12:00Z on 2009-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 143 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
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

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 22, 8:49 PM CDTRiver Flood WarningBISGrant, Sioux4 days
Mar 22, 8:57 PM CDTRiver Flood WarningBISDunn37 hr
Mar 22, 9:18 PM CDTRiver Flood WarningBISLaMoure11 days
Mar 22, 10:03 PM CDTDense Fog AdvisoryBISAdams, Billings, Bottineau, Bowman, Burke, Burleigh and 26 more156 days
Mar 22, 10:03 PM CDTDense Fog AdvisoryBISBottineau, Burke, Burleigh, Dickey, Emmons, Foster and 14 more12 hr
Mar 23, 12:44 PM CDTSevere Thunderstorm WarningBISEmmons32 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.