Alert archive / North Dakota / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 29, NWS Bismarck, ND

June 14, 1991Burleigh County, Morton County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jun 14, 1991, 6:43 PM CDT for Burleigh County, Morton County, North Dakota. It was in force for 47 min. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 14, 1991, 6:43 PM CDT (23:43 UTC)
Expired: Jun 14, 1991, 7:30 PM CDT
In force: 47 min
Issued by: NWS Bismarck, ND
Area: Whole counties

Counties Burleigh County, ND, Morton County, ND

What was reported inside it

Time	Report	Where
Jun 14, 6:55 PM CDT	Thunderstorm Wind 52	Morton, ND
Jun 14, 7:00 PM CDT	Thunderstorm Wind 56	Burleigh, ND
Jun 14, 7:15 PM CDT	Hail 0.75	Morton, ND

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Rapid City, SD (KRAP), launched 12:00Z, 11.7 hours before the alert went out and 346 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: 20 J/kg
Mixed-layer CIN: -217 J/kg
Mixed-layer LCL: 744 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 64 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, Jun 14, 5:29 PM CDT, 1 hour 14 minutes before

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Special weather statement, Jun 14, 5:33 PM CDT, 1 hour 10 minutes before

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Special weather statement, Jun 14, 5:40 PM CDT, 1 hour 3 minutes before

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Special weather statement, Jun 14, 5:44 PM CDT, 59 minutes before

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Special weather statement, Jun 14, 6:39 PM CDT, 4 minutes before

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Special weather statement, Jun 14, 6:42 PM CDT, 1 minute 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 13, 7:11 PM CDT	Severe Thunderstorm Warning	BIS	Logan, McIntosh	64 min
Jun 13, 7:11 PM CDT	Severe Thunderstorm Warning	BIS	Stutsman	64 min
Jun 13, 8:02 PM CDT	Tornado Warning	BIS	Stutsman	28 min
Jun 14, 2:57 PM CDT	Severe Thunderstorm Warning	BIS	Hettinger, Slope, Stark	63 min
Jun 14, 5:04 PM CDT	Severe Thunderstorm Warning	BIS	Grant	41 min
Jun 14, 5:28 PM CDT	Severe Thunderstorm Warning	BIS	Grant	62 min
Jun 14, 5:47 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	43 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1991 Every severe thunderstorm warning in 1991

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.