Alert archive / North Dakota / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 103, NWS Bismarck, ND

July 8, 20134 counties in North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 8, 2013, 10:46 PM CDT for 4 counties in North Dakota. It was in force for 59 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: Jul 8, 2013, 10:46 PM CDT (03:46 UTC)
Expired: Jul 8, 2013, 11:45 PM CDT
In force: 59 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties McHenry County, ND, McLean County, ND, Sheridan County, ND, Ward County, ND

The radar

The Minot AFB radar (KMBX), 54 km from the middle of the area, began a volume at 03:48 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 8, 6:22 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 3.8 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: 833 J/kg
Mixed-layer CIN: -113 J/kg
Mixed-layer LCL: 1718 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.1

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 Jul 8, 10:13 PM CDT, 33 minutes earlier.

Area forecast discussion, Jul 8, 10:13 PM CDT, 33 minutes before

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Hazardous weather outlook, Jul 8, 10:06 PM CDT, 40 minutes before

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In the hours before

Local storm report, Jul 8, 10:04 PM CDT, 42 minutes before

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Local storm report, Jul 8, 10:15 PM CDT, 31 minutes before

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Local storm report, Jul 8, 10:19 PM CDT, 27 minutes before

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Special weather statement, Jul 8, 10:22 PM CDT, 24 minutes before

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Local storm report, Jul 8, 10:24 PM CDT, 22 minutes before

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Local storm report, Jul 8, 10:41 PM CDT, 5 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 8, 7:12 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley	63 min
Jul 8, 7:28 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, Golden Valley, McKenzie	62 min
Jul 8, 8:07 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Bowman, Golden Valley, Slope, Stark	53 min
Jul 8, 8:24 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, McLean	66 min
Jul 8, 8:51 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer	54 min
Jul 8, 8:57 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Hettinger, Slope, Stark	63 min
Jul 8, 9:08 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer, Oliver	52 min
Jul 8, 9:15 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Bowman, Golden Valley, Slope	60 min
Jul 8, 9:32 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Hettinger, Mercer, Morton, Stark	58 min
Jul 8, 9:48 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, McLean, Mercer, Mountrail, Oliver, Stark and 1 more	57 min
Jul 8, 10:18 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Grant, McLean, Morton, Oliver and 2 more	57 min
Jul 9, 12:43 AM CDT	Severe Thunderstorm Warning	BIS	Foster	47 min
Jul 9, 3:06 PM CDT	Severe Thunderstorm Warning	BIS	Mercer, Oliver	39 min
Jul 9, 3:35 PM CDT	Severe Thunderstorm Warning	BIS	Morton, Oliver	25 min
Jul 9, 3:53 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Morton, Oliver	52 min
Jul 9, 4:28 PM CDT	Areal Flood Advisory	BIS	Burleigh, Morton	3 hr
Jul 9, 4:38 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Morton	37 min
Jul 9, 5:07 PM CDT	Severe Thunderstorm Warning	BIS	Logan, McIntosh	38 min
Jul 9, 5:35 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Logan, McIntosh	40 min
Jul 9, 5:48 PM CDT	Severe Thunderstorm Warning	BIS	Dickey, McIntosh	57 min
Jul 9, 6:09 PM CDT	Severe Thunderstorm Warning	BIS	McIntosh	51 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2013 Every severe thunderstorm warning in 2013

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.