Alert archive / North Dakota / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 431, NWS Bismarck, ND

September 23, 2008Bottineau County, Renville County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Sep 23, 2008, 12:59 PM CDT for Bottineau County, Renville County, North Dakota. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Sep 23, 2008, 12:59 PM CDT (17:59 UTC)
Expired: Sep 23, 2008, 1:46 PM CDT
In force: 47 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon

Counties Bottineau County, ND, Renville County, ND

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 6.0 hours before the alert went out and 225 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: 1141 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: -133 m²/s²
0-3 km storm-relative helicity: -50 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 severe thunderstorm 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 severe thunderstorm warning went out at Sep 23, 3:55 AM CDT, 9 hours 4 minutes earlier.

Area forecast discussion, Sep 23, 3:55 AM CDT, 9 hours 4 minutes before

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Hazardous weather outlook, Sep 23, 4:19 AM CDT, 8 hours 40 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 22, 7:17 PM CDT	Severe Thunderstorm Warning	BIS	Kidder, Stutsman	28 min
Sep 22, 7:39 PM CDT	Severe Thunderstorm Warning	BIS	Foster, Stutsman, Wells	66 min
Sep 22, 11:20 PM CDT	Areal Flood Advisory	BIS	Emmons	4 hr
Sep 22, 11:26 PM CDT	Severe Thunderstorm Warning	BIS	Wells	29 min
Sep 22, 11:55 PM CDT	Flash Flood Warning	BIS	Wells	3 hr
Sep 23, 12:31 AM CDT	Severe Thunderstorm Warning	BIS	Kidder, Stutsman	44 min
Sep 23, 12:41 AM CDT	Flash Flood Warning	BIS	Foster, Wells	3 hr

Nearby

Severe Thunderstorm Warnings in North Dakota, 2008 Every severe thunderstorm warning in 2008

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.