Alert archive / North Dakota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 104, NWS Bismarck, ND

September 11, 1994Logan County, McIntosh County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Sep 11, 1994, 10:13 AM CDT for Logan County, McIntosh County, North Dakota. It was in force for 47 min.

The area

The counties it named.

The facts

Issued
Sep 11, 1994, 10:13 AM CDT (15:13 UTC)
Expired
Sep 11, 1994, 11:00 AM CDT
In force
47 min
Issued by
NWS Bismarck, ND
Area
Whole counties

Counties Logan County, ND, McIntosh County, ND

The nearest sounding before it

Aberdeen, SD (KHON), launched 12:00Z, 3.2 hours before the alert went out and 175 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-pSkew-T log-p diagram, Aberdeen, SD at 12:00Z on 1994-09-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 117 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 12:00Z on 1994-09-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 225 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
117 J/kg
Mixed-layer CIN
-591 J/kg
Mixed-layer LCL
1336 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
225 m²/s²
0-3 km storm-relative helicity
239 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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The text

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

The office that day

Everything else NWS Bismarck, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 11, 7:54 AM CDTSevere Thunderstorm WarningBISEmmons51 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1994Every severe thunderstorm warning in 1994

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.