Alert archive / North Dakota / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 22, NWS Bismarck, ND

July 1, 1993Morton County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 1, 1993, 4:42 PM MDT for Morton County, North Dakota. It was in force for 48 min.

The area

The counties it named.

The facts

Issued: Jul 1, 1993, 4:42 PM MDT (22:42 UTC)
Expired: Jul 1, 1993, 5:30 PM MDT
In force: 48 min
Issued by: NWS Bismarck, ND
Area: Whole counties

County Morton County, ND

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 10.7 hours before the alert went out and 45 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: 130 J/kg
Mixed-layer CIN: -130 J/kg
Mixed-layer LCL: 1162 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 30 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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, Jul 1, 3:07 PM MDT, 1 hour 35 minutes before

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Special weather statement, Jul 1, 3:11 PM MDT, 1 hour 31 minutes before

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Special weather statement, Jul 1, 3:36 PM MDT, 1 hour 6 minutes before

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Special weather statement, Jul 1, 4:06 PM MDT, 36 minutes before

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Special weather statement, Jul 1, 4:16 PM MDT, 26 minutes before

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Special weather statement, Jul 1, 4:34 PM MDT, 8 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 1, 12:26 PM MDT	Tornado Warning	BIS	Pierce	34 min
Jul 1, 12:55 PM MDT	Tornado Warning	BIS	Wells	18 min
Jul 1, 2:11 PM MDT	Tornado Warning	BIS	Burleigh, Kidder	34 min
Jul 1, 2:42 PM MDT	Tornado Warning	BIS	Towner	30 min
Jul 1, 4:52 PM MDT	Severe Thunderstorm Warning	BIS	Oliver	68 min
Jul 1, 5:15 PM MDT	Severe Thunderstorm Warning	BIS	Burleigh	60 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1993 Every severe thunderstorm warning in 1993

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.