Alert archive / North Dakota / Special Weather Statements in 2019

Special Weather Statement, NWS Bismarck, ND

July 18, 2019Emmons County, North Dakota

NWS Bismarck, ND issued this special weather statement at Jul 18, 2019, 3:21 AM CDT for Emmons County, North Dakota. It was in force for 24 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: Jul 18, 2019, 3:21 AM CDT (08:21 UTC)
Expired: Jul 18, 2019, 3:45 AM CDT
In force: 24 min
Issued by: NWS Bismarck, ND

County Emmons County, ND

The radar

The Bismarck radar (KBIS), 60 km from the middle of the area, began a volume at 08:25 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, 8.4 hours before the alert went out and 57 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: 281 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 1963 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 61 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 Jul 18, 2:50 AM CDT, 31 minutes earlier.

Area forecast discussion, Jul 18, 2:50 AM CDT, 31 minutes before

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Hazardous weather outlook, Jul 18, 2:41 AM CDT, 40 minutes before

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In the hours before

Local storm report, Jul 17, 10:57 PM CDT, 4 hours 24 minutes before

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Local storm report, Jul 17, 11:32 PM CDT, 3 hours 49 minutes before

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Special weather statement, Jul 18, 12:07 AM CDT, 3 hours 14 minutes before

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Special weather statement, Jul 18, 1:29 AM CDT, 1 hour 52 minutes before

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Special weather statement, Jul 18, 2:44 AM CDT, 37 minutes before

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Special weather statement, Jul 18, 3:21 AM 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
Jul 17, 7:03 PM CDT	Tornado Warning	BIS	Sioux	27 min
Jul 17, 7:04 PM CDT	Tornado Warning	BIS	Stark	26 min
Jul 17, 7:20 PM CDT	Special Weather Statement	BIS	Bottineau	40 min
Jul 17, 7:30 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Sioux	32 min
Jul 17, 7:33 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau	42 min
Jul 17, 7:34 PM CDT	Severe Thunderstorm Warning	BIS	Morton, Stark	56 min
Jul 17, 8:14 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, Rolette	19 min
Jul 17, 8:35 PM CDT	Special Weather Statement	BIS	Morton	25 min
Jul 17, 8:36 PM CDT	Special Weather Statement	BIS	Golden Valley	24 min
Jul 17, 9:13 PM CDT	Special Weather Statement	BIS	Morton	32 min
Jul 17, 9:14 PM CDT	Special Weather Statement	BIS	Billings	31 min
Jul 17, 9:21 PM CDT	Severe Thunderstorm Warning	BIS	Morton	39 min
Jul 17, 10:47 PM CDT	Special Weather Statement	BIS	Kidder	28 min
Jul 18, 12:07 AM CDT	Special Weather Statement	BIS	Burleigh	23 min
Jul 18, 1:29 AM CDT	Special Weather Statement	BIS	Emmons, Kidder, Logan	46 min
Jul 18, 2:02 AM CDT	Severe Thunderstorm Warning	BIS	Emmons, Sioux	58 min
Jul 18, 2:44 AM CDT	Special Weather Statement	BIS	LaMoure, Stutsman	46 min
Jul 18, 3:30 AM CDT	Special Weather Statement	BIS	LaMoure	30 min
Jul 18, 3:40 AM CDT	Severe Thunderstorm Warning	BIS	Emmons, Logan	52 min

Nearby

Special Weather Statements in North Dakota, 2019 Every special weather statement in 2019

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.