Alert archive / North Dakota / Special Weather Statements in 2023

Special Weather Statement, NWS Bismarck, ND

August 1, 2023Logan County, North Dakota

NWS Bismarck, ND issued this special weather statement at Aug 1, 2023, 11:04 PM CDT for Logan County, North Dakota. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 1, 2023, 11:04 PM CDT (04:04 UTC)
Expired: Aug 1, 2023, 11:45 PM CDT
In force: 41 min
Issued by: NWS Bismarck, ND
Hail: 0.00 in
Wind: 50

County Logan County, ND

The radar

The Bismarck radar (KBIS), 64 km from the middle of the area, began a volume at 04:05 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 00:00Z, 4.1 hours before the alert went out and 59 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: 2418 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 1445 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: -21 m²/s²
0-3 km storm-relative helicity: 36 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 1, 10:56 PM CDT, 8 minutes earlier.

Area forecast discussion, Aug 1, 10:56 PM CDT, 8 minutes before

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Hazardous weather outlook, Aug 1, 10:45 PM CDT, 19 minutes before

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In the hours before

Local storm report, Aug 1, 9:10 PM CDT, 1 hour 54 minutes before

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Local storm report, Aug 1, 9:15 PM CDT, 1 hour 49 minutes before

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Local storm report, Aug 1, 9:40 PM CDT, 1 hour 24 minutes before

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Local storm report, Aug 1, 9:45 PM CDT, 1 hour 19 minutes before

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Local storm report, Aug 1, 10:37 PM CDT, 27 minutes before

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Special weather statement, Aug 1, 11:04 PM CDT, 0 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
Aug 1, 7:09 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Dunn, McKenzie	66 min
Aug 1, 7:16 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley, McKenzie	59 min
Aug 1, 7:16 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	McLean, Mercer	59 min
Aug 1, 7:24 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Stutsman	66 min
Aug 1, 8:01 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Billings, Dunn, McKenzie, Stark	74 min
Aug 1, 8:04 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Burleigh, McLean, Mercer, Morton, Oliver	56 min
Aug 1, 8:16 PM CDT	Areal Flood Advisory	BIS	Dunn, Mercer	6 hr
Aug 1, 8:34 PM CDT	Areal Flood Advisory	BIS	Foster, Kidder, Stutsman, Wells	6 hr
Aug 1, 8:49 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Stark	26 min
Aug 1, 8:55 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, McLean, Morton, Oliver	65 min
Aug 1, 9:01 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Mercer, Morton, Oliver	59 min
Aug 1, 9:06 PM CDT	Tornado Warning	BIS	Burleigh	24 min
Aug 1, 9:12 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Grant, Hettinger, Morton, Stark	78 min
Aug 1, 9:54 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Burleigh, Kidder	66 min
Aug 1, 9:59 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Morton, Oliver	52 min
Aug 1, 10:02 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Morton	58 min
Aug 1, 10:24 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton, Sioux	56 min
Aug 1, 11:43 PM CDT	Special Weather Statement	BIS	Logan	47 min
Aug 2, 12:28 AM CDT	Special Weather Statement	BIS	McIntosh	32 min

Nearby

Special Weather Statements in North Dakota, 2023 Every special weather statement in 2023

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.