Alert archive / North Dakota / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 31, NWS Bismarck, ND

June 8, 1999McKenzie County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jun 8, 1999, 2:53 PM CDT for McKenzie County, North Dakota. It was in force for 67 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 8, 1999, 2:53 PM CDT (19:53 UTC)
Expired: Jun 8, 1999, 4:00 PM CDT
In force: 67 min
Issued by: NWS Bismarck, ND
Area: Whole counties; the outline is the Mesonet’s reconstruction

County McKenzie County, ND

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 7.9 hours before the alert went out and 230 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1557 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 202 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.

NWS Bismarck, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 8, 3:30 AM CDT, 11 hours 23 minutes earlier.

Area forecast discussion, Jun 8, 3:30 AM CDT, 11 hours 23 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 8, 3:54 AM CDT	Severe Thunderstorm Warning	BIS	LaMoure	51 min
Jun 8, 4:00 PM CDT	Severe Thunderstorm Warning	BIS	Mountrail	60 min
Jun 8, 4:45 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie	60 min
Jun 8, 5:05 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Ward	40 min
Jun 8, 5:52 PM CDT	Tornado Warning	BIS	McKenzie, Mountrail	53 min
Jun 8, 6:50 PM CDT	Tornado Warning	BIS	Mountrail	40 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1999 Every severe thunderstorm warning in 1999

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.