Alert archive / North Dakota / Special Weather Statements in 2019

Special Weather Statement, NWS Bismarck, ND

August 4, 2019Billings County, North Dakota

NWS Bismarck, ND issued this special weather statement at Aug 4, 2019, 8:09 PM MDT for Billings County, North Dakota. It was in force for 51 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 4, 2019, 8:09 PM MDT (02:09 UTC)
Expired: Aug 4, 2019, 9:00 PM MDT
In force: 51 min
Issued by: NWS Bismarck, ND

County Billings County, ND

The radar

The Bismarck radar (KBIS), 216 km from the middle of the area, began a volume at 02:11 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, 2.2 hours before the alert went out and 220 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: 527 J/kg
Mixed-layer CIN: -132 J/kg
Mixed-layer LCL: 1983 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: -18 m²/s²
0-3 km storm-relative helicity: 59 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.5

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 4, 5:38 PM MDT, 2 hours 31 minutes earlier.

Area forecast discussion, Aug 4, 5:38 PM MDT, 2 hours 31 minutes before

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Hazardous weather outlook, Aug 4, 5:45 PM MDT, 2 hours 24 minutes before

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In the hours before

Special weather statement, Aug 4, 8:09 PM MDT, 0 minutes before

Special Weather Statement
National Weather Service Bismarck ND
809 PM MDT Sun Aug 4 2019

NDZ031-032-050300-
Golden Valley ND-Billings ND-
809 PM MDT Sun Aug 4 2019

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN GOLDEN VALLEY AND
SOUTHWESTERN BILLINGS COUNTIES UNTIL 900 PM MDT...

At 809 PM MDT, a strong thunderstorm was located 11 miles southeast
of Sentinel Butte, or 16 miles southeast of Beach, moving east at 35
mph.

Penny size hail and wind gusts to 40 mph will be possible with this
storm.

Locations impacted include...
Fryburg.

LAT...LON 4684 10383 4694 10323 4668 10324 4668 10383
TIME...MOT...LOC 0209Z 260DEG 28KT 4676 10373

EDWARDS

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 9:41 PM MDT	Special Weather Statement	BIS	McHenry, Ward	49 min
Aug 4, 9:48 PM MDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, McKenzie	57 min
Aug 4, 10:00 PM MDT	Severe Thunderstorm Warning	BIS	McHenry, Ward	60 min
Aug 4, 10:17 PM MDT	Severe Thunderstorm Warning	BIS	McHenry	43 min
Aug 4, 10:25 PM MDT	Severe Thunderstorm Warning	BIS	Mountrail, Ward	50 min
Aug 4, 10:34 PM MDT	Severe Thunderstorm Warning	BIS	Mountrail, Ward	41 min
Aug 4, 10:38 PM MDT	Severe Thunderstorm Warning	BIS	Dunn	52 min
Aug 4, 11:03 PM MDT	Special Weather Statement	BIS	Ward	42 min
Aug 4, 11:08 PM MDT	Severe Thunderstorm Warning	BIS	Mountrail, Williams	67 min
Aug 4, 11:22 PM MDT	Severe Thunderstorm Warning	BIS	McHenry, Pierce, Sheridan, Wells	53 min
Aug 4, 11:35 PM MDT	Severe Thunderstorm Warning	BIS	McLean, Ward	55 min
Aug 4, 11:57 PM MDT	Severe Thunderstorm Warning	BIS	Wells	48 min
Aug 4, 11:57 PM MDT	Severe Thunderstorm Warning	BIS	McHenry, McLean, Sheridan, Ward	48 min
Aug 5, 12:25 AM MDT	Severe Thunderstorm Warning	BIS	Burleigh, McLean, Sheridan	50 min
Aug 5, 12:42 AM MDT	Severe Thunderstorm Warning	BIS	McLean, Sheridan, Wells	52 min
Aug 5, 1:07 AM MDT	Severe Thunderstorm Warning	BIS	McLean	38 min
Aug 5, 2:02 AM MDT	Special Weather Statement	BIS	Kidder	43 min
Aug 5, 3:07 AM MDT	Special Weather Statement	BIS	LaMoure, Stutsman	53 min
Aug 5, 3:30 AM MDT	Special Weather Statement	BIS	Dickey	30 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.