Alert archive / North Dakota / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 106, NWS Bismarck, ND

June 30, 2020Adams County, Grant County, Sioux County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jun 30, 2020, 2:00 AM MDT for Adams County, Grant County, Sioux 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 counties it named.

The facts

Issued: Jun 30, 2020, 2:00 AM MDT (08:00 UTC)
Expired: Jun 30, 2020, 2:45 AM MDT
In force: 45 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Adams County, ND, Grant County, ND, Sioux County, ND

The radar

The Bismarck radar (KBIS), 99 km from the middle of the area, began a volume at 08:00 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, 8.0 hours before the alert went out and 102 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: 2747 J/kg
Mixed-layer CIN: -118 J/kg
Mixed-layer LCL: 1338 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 107 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jun 29, 11:46 PM MDT, 2 hours 14 minutes earlier.

Area forecast discussion, Jun 29, 11:46 PM MDT, 2 hours 14 minutes before

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Hazardous weather outlook, Jun 29, 11:07 PM MDT, 2 hours 53 minutes before

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In the hours before

Special weather statement, Jun 29, 10:14 PM MDT, 3 hours 46 minutes before

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Special weather statement, Jun 29, 10:45 PM MDT, 3 hours 15 minutes before

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Special weather statement, Jun 29, 11:00 PM MDT, 3 hours before

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Special weather statement, Jun 29, 11:01 PM MDT, 2 hours 59 minutes before

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Special weather statement, Jun 30, 12:05 AM MDT, 1 hour 55 minutes before

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Special weather statement, Jun 30, 12:50 AM MDT, 1 hour 10 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
Jun 29, 6:07 PM MDT	Severe Thunderstorm Warning	BIS	Dunn, McKenzie	53 min
Jun 29, 6:10 PM MDT	Severe Thunderstorm Warning	BIS	Dunn, McKenzie	65 min
Jun 29, 6:12 PM MDT	Severe Thunderstorm Warning	BIS	Billings	48 min
Jun 29, 6:20 PM MDT	Tornado Warning	BIS	Dunn, McKenzie	25 min
Jun 29, 6:21 PM MDT	Special Weather Statement	BIS	Adams	24 min
Jun 29, 6:51 PM MDT	Severe Thunderstorm Warning	BIS	Dunn	39 min
Jun 29, 7:07 PM MDT	Special Weather Statement	BIS	Adams, Hettinger, Stark	53 min
Jun 29, 7:15 PM MDT	Severe Thunderstorm Warning	BIS	Hettinger, Stark	30 min
Jun 29, 7:16 PM MDT	Severe Thunderstorm Warning	BIS	Dunn, McKenzie, McLean, Mountrail	59 min
Jun 29, 7:22 PM MDT	Tornado Warning	BIS	McKenzie, Mountrail	23 min
Jun 29, 7:29 PM MDT	Severe Thunderstorm Warning	BIS	Dunn	61 min
Jun 29, 7:30 PM MDT	Severe Thunderstorm Warning	BIS	Stark	39 min
Jun 29, 7:44 PM MDT	Tornado Warning	BIS	Mountrail	31 min
Jun 29, 7:45 PM MDT	Tornado Warning	BIS	Dunn, Stark	30 min
Jun 29, 8:06 PM MDT	Severe Thunderstorm Warning	BIS	Dunn, Hettinger, Stark	54 min
Jun 29, 8:15 PM MDT	Severe Thunderstorm Warning	BIS	Burke, Mountrail, Ward	60 min
Jun 29, 8:37 PM MDT	Severe Thunderstorm Warning	BIS	Adams, Hettinger	38 min
Jun 29, 9:16 PM MDT	Special Weather Statement	BIS	Adams, Hettinger	44 min
Jun 29, 9:17 PM MDT	Special Weather Statement	BIS	McLean, Ward	43 min
Jun 29, 9:31 PM MDT	Special Weather Statement	BIS	Oliver	29 min
Jun 29, 10:01 PM MDT	Special Weather Statement	BIS	McHenry	44 min
Jun 29, 10:04 PM MDT	Special Weather Statement	BIS	Grant	41 min
Jun 29, 10:45 PM MDT	Special Weather Statement	BIS	Bottineau, McHenry, Pierce	45 min
Jun 29, 11:00 PM MDT	Special Weather Statement	BIS	Bottineau	45 min
Jun 29, 11:01 PM MDT	Special Weather Statement	BIS	Grant	29 min
Jun 30, 12:05 AM MDT	Special Weather Statement	BIS	Burleigh	40 min
Jun 30, 12:50 AM MDT	Special Weather Statement	BIS	Emmons	40 min
Jun 30, 4:45 AM MDT	Special Weather Statement	BIS	Grant	45 min
Jun 30, 4:55 AM MDT	Severe Thunderstorm Warning	BIS	Grant, Sioux	65 min
Jun 30, 6:31 AM MDT	Special Weather Statement	BIS	Morton	44 min
Jun 30, 6:33 AM MDT	Special Weather Statement	BIS	Sioux	57 min
Jun 30, 7:06 AM MDT	Severe Thunderstorm Warning	BIS	Emmons, Morton, Sioux	39 min
Jun 30, 7:14 AM MDT	Special Weather Statement	BIS	Oliver	46 min
Jun 30, 7:34 AM MDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Morton	56 min
Jun 30, 8:17 AM MDT	Special Weather Statement	BIS	Sheridan	43 min
Jun 30, 8:30 AM MDT	Severe Thunderstorm Warning	BIS	McLean	45 min
Jun 30, 8:43 AM MDT	Special Weather Statement	BIS	Burleigh, Emmons, Kidder	47 min
Jun 30, 9:06 AM MDT	Special Weather Statement	BIS	McHenry	39 min
Jun 30, 9:44 AM MDT	Special Weather Statement	BIS	McHenry	46 min
Jun 30, 10:13 AM MDT	Special Weather Statement	BIS	Oliver	47 min
Jun 30, 10:21 AM MDT	Special Weather Statement	BIS	Bottineau	39 min
Jun 30, 11:00 AM MDT	Special Weather Statement	BIS	Oliver	45 min
Jun 30, 11:09 AM MDT	Special Weather Statement	BIS	Burleigh, Kidder	51 min
Jun 30, 11:32 AM MDT	Severe Thunderstorm Warning	BIS	Kidder	43 min
Jun 30, 12:00 PM MDT	Severe Thunderstorm Warning	BIS	Wells	45 min
Jun 30, 12:37 PM MDT	Special Weather Statement	BIS	Wells	38 min
Jun 30, 12:41 PM MDT	Special Weather Statement	BIS	McLean, Oliver	49 min
Jun 30, 1:11 PM MDT	Special Weather Statement	BIS	Wells	49 min
Jun 30, 1:38 PM MDT	Severe Thunderstorm Warning	BIS	McHenry, Pierce, Sheridan, Wells	52 min
Jun 30, 2:41 PM MDT	Severe Thunderstorm Warning	BIS	Pierce, Wells	49 min
Jun 30, 3:29 PM MDT	Severe Thunderstorm Warning	BIS	Pierce, Wells	32 min
Jun 30, 3:30 PM MDT	Areal Flood Advisory	BIS	Wells	109 min
Jun 30, 3:50 PM MDT	Special Weather Statement	BIS	Morton	40 min
Jun 30, 4:43 PM MDT	Special Weather Statement	BIS	Burleigh	47 min
Jun 30, 5:18 PM MDT	Flash Flood Warning	BIS	Wells	4 hr
Jun 30, 5:29 PM MDT	Tornado Warning	BIS	Burleigh, Kidder	31 min
Jun 30, 5:47 PM MDT	Special Weather Statement	BIS	Kidder, Logan	43 min
Jun 30, 5:57 PM MDT	Tornado Warning	BIS	Kidder	33 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2020 Every severe thunderstorm warning in 2020

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.