Alert archive / North Dakota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 155, NWS Bismarck, ND

September 4, 1996Morton County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Sep 4, 1996, 6:42 AM MDT for Morton County, North Dakota. It was in force for 48 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: Sep 4, 1996, 6:42 AM MDT (12:42 UTC)
Expired: Sep 4, 1996, 7:30 AM MDT
In force: 48 min
Issued by: NWS Bismarck, ND
Area: Whole counties

County Morton County, ND

The radar

The Bismarck radar (KBIS), 40 km from the middle of the area, began a volume at 12:45 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 12:00Z, 0.7 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: 108 J/kg
Mixed-layer CIN: -194 J/kg
Mixed-layer LCL: 1046 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 225 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

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, Sep 4, 3:39 AM MDT, 3 hours 3 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
Sep 4, 8:45 AM MDT	Severe Thunderstorm Warning	BIS	McLean	30 min
Sep 4, 9:57 AM MDT	Severe Thunderstorm Warning	BIS	Ward	63 min
Sep 4, 11:43 AM MDT	Severe Thunderstorm Warning	BIS	Bottineau, Renville	62 min
Sep 4, 1:18 PM MDT	Tornado Warning	BIS	Burke	27 min
Sep 4, 1:33 PM MDT	Severe Thunderstorm Warning	BIS	Renville	42 min
Sep 4, 2:09 PM MDT	Severe Thunderstorm Warning	BIS	Bottineau	66 min
Sep 4, 5:55 PM MDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	65 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1996 Every severe thunderstorm warning in 1996

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.