Alert archive / North Dakota / Special Weather Statements in 2016

Special Weather Statement, NWS Bismarck, ND

August 1, 2016Bowman County, Slope County, North Dakota

NWS Bismarck, ND issued this special weather statement at Aug 1, 2016, 2:45 AM MDT for Bowman County, Slope County, North Dakota. It was in force for 45 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, 2016, 2:45 AM MDT (08:45 UTC)
Expired: Aug 1, 2016, 3:30 AM MDT
In force: 45 min
Issued by: NWS Bismarck, ND

Counties Bowman County, ND, Slope County, ND

The radar

The Rapid City radar (KUDX), 237 km from the middle of the area, began a volume at 08:46 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

Rapid City, SD (KRAP), launched 00:00Z, 8.8 hours before the alert went out and 242 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: 2220 J/kg
Mixed-layer CIN: -112 J/kg
Mixed-layer LCL: 1694 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 43 m²/s²
0-3 km storm-relative helicity: 34 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.0

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, 2:08 AM MDT, 37 minutes earlier.

Area forecast discussion, Aug 1, 2:08 AM MDT, 37 minutes before

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Hazardous weather outlook, Aug 1, 2:25 AM MDT, 20 minutes before

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In the hours before

Local storm report, Jul 31, 9:32 PM MDT, 5 hours 13 minutes before

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Local storm report, Jul 31, 9:43 PM MDT, 5 hours 2 minutes before

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Special weather statement, Aug 1, 1:52 AM MDT, 53 minutes before

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Special weather statement, Aug 1, 2:06 AM MDT, 39 minutes before

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Special weather statement, Aug 1, 2:29 AM MDT, 16 minutes before

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Special weather statement, Aug 1, 2:45 AM MDT, 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
Jul 31, 6:11 PM MDT	Special Weather Statement	BIS	Billings	34 min
Jul 31, 6:11 PM MDT	Severe Thunderstorm Warning	BIS	McLean, Mountrail, Ward	64 min
Jul 31, 6:54 PM MDT	Severe Thunderstorm Warning	BIS	Mountrail, Ward	66 min
Jul 31, 7:16 PM MDT	Areal Flood Advisory	BIS	Mountrail	3 hr
Jul 31, 7:19 PM MDT	Severe Thunderstorm Warning	BIS	McKenzie, Mountrail	42 min
Jul 31, 7:28 PM MDT	Special Weather Statement	BIS	Burke	32 min
Jul 31, 8:01 PM MDT	Special Weather Statement	BIS	Ward	29 min
Jul 31, 8:07 PM MDT	Special Weather Statement	BIS	Renville	23 min
Jul 31, 8:13 PM MDT	Special Weather Statement	BIS	Renville	32 min
Jul 31, 8:32 PM MDT	Special Weather Statement	BIS	Mountrail	28 min
Aug 1, 1:52 AM MDT	Special Weather Statement	BIS	Golden Valley	38 min
Aug 1, 2:06 AM MDT	Special Weather Statement	BIS	Bowman, Slope	39 min
Aug 1, 2:29 AM MDT	Special Weather Statement	BIS	Billings, Golden Valley	46 min
Aug 1, 2:58 AM MDT	Special Weather Statement	BIS	Williams	32 min
Aug 1, 3:25 AM MDT	Special Weather Statement	BIS	Adams, Billings, Bowman, Hettinger, Slope, Stark	50 min
Aug 1, 7:31 AM MDT	Special Weather Statement	BIS	Grant	29 min
Aug 1, 1:53 PM MDT	Special Weather Statement	BIS	Kidder	52 min
Aug 1, 2:00 PM MDT	Severe Thunderstorm Warning	BIS	Kidder, Stutsman	45 min
Aug 1, 2:06 PM MDT	Special Weather Statement	BIS	Wells	24 min
Aug 1, 2:20 PM MDT	Special Weather Statement	BIS	Emmons	25 min
Aug 1, 2:30 PM MDT	Severe Thunderstorm Warning	BIS	Foster, Kidder, Wells	60 min
Aug 1, 2:46 PM MDT	Severe Thunderstorm Warning	BIS	Foster, Kidder, Stutsman, Wells	44 min
Aug 1, 2:52 PM MDT	Special Weather Statement	BIS	Emmons	23 min
Aug 1, 3:21 PM MDT	Severe Thunderstorm Warning	BIS	Emmons	54 min
Aug 1, 3:23 PM MDT	Severe Thunderstorm Warning	BIS	Foster, Kidder, Stutsman, Wells	67 min
Aug 1, 3:29 PM MDT	Areal Flood Advisory	BIS	Kidder, Stutsman	3 hr
Aug 1, 3:52 PM MDT	Special Weather Statement	BIS	Adams	38 min
Aug 1, 4:27 PM MDT	Severe Thunderstorm Warning	BIS	Kidder, Logan, Stutsman	63 min
Aug 1, 4:30 PM MDT	Special Weather Statement	BIS	Grant	30 min
Aug 1, 5:17 PM MDT	Special Weather Statement	BIS	Sioux	43 min
Aug 1, 5:26 PM MDT	Severe Thunderstorm Warning	BIS	LaMoure, Stutsman	39 min
Aug 1, 5:43 PM MDT	Special Weather Statement	BIS	Foster	32 min
Aug 1, 5:47 PM MDT	Special Weather Statement	BIS	Dickey	43 min

Nearby

Special Weather Statements in North Dakota, 2016 Every special weather statement in 2016

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.