Alert archive / North Dakota / Special Weather Statements in 2014

Special Weather Statement, NWS Bismarck, ND

August 17, 2014Wells County, North Dakota

NWS Bismarck, ND issued this special weather statement at Aug 17, 2014, 7:21 PM CDT for Wells County, North Dakota. It was in force for 39 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 17, 2014, 7:21 PM CDT (00:21 UTC)
Expired: Aug 17, 2014, 8:00 PM CDT
In force: 39 min
Issued by: NWS Bismarck, ND

County Wells County, ND

The radar

The Minot AFB radar (KMBX), 126 km from the middle of the area, began a volume at 00:23 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, 0.4 hours before the alert went out and 128 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: 64 J/kg
Mixed-layer CIN: -165 J/kg
Mixed-layer LCL: 1919 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 17, 6:45 PM CDT, 36 minutes earlier.

Area forecast discussion, Aug 17, 6:45 PM CDT, 36 minutes before

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Hazardous weather outlook, Aug 17, 6:38 PM CDT, 43 minutes before

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In the hours before

Local storm report, Aug 17, 6:01 PM CDT, 1 hour 20 minutes before

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Special weather statement, Aug 17, 6:11 PM CDT, 1 hour 10 minutes before

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Special weather statement, Aug 17, 6:13 PM CDT, 1 hour 8 minutes before

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Special weather statement, Aug 17, 6:17 PM CDT, 1 hour 4 minutes before

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Local storm report, Aug 17, 6:41 PM CDT, 40 minutes before

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Special weather statement, Aug 17, 6:48 PM CDT, 33 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 17, 7:03 PM CDT	Areal Flood Advisory	BIS	Burleigh	3 hr
Aug 17, 7:34 PM CDT	Special Weather Statement	BIS	Wells	41 min
Aug 17, 7:56 PM CDT	Special Weather Statement	BIS	Wells	49 min
Aug 17, 8:37 PM CDT	River Flood Watch	BIS	Mercer, Oliver	40 hr
Aug 17, 9:21 PM CDT	Special Weather Statement	BIS	Stutsman	24 min

Nearby

Special Weather Statements in North Dakota, 2014 Every special weather statement in 2014

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.