Alert archive / Minnesota / Tornado Warnings in 1994

Tornado Warning 2, NWS Sioux Falls, SD

April 25, 1994Jackson County, Minnesota

NWS Sioux Falls, SD issued this tornado warning at Apr 25, 1994, 8:05 PM CDT for Jackson County, Minnesota. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Apr 25, 1994, 8:05 PM CDT (01:05 UTC)
Expired
Apr 25, 1994, 8:45 PM CDT
In force
40 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County Jackson County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 1.1 hours before the alert went out and 180 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, Minneapolis, MN at 00:00Z on 1994-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 1994-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 571 square meters per square second.19395878Sfc1 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
8 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
461 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
571 m²/s²
0-3 km storm-relative helicity
698 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.8

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.

Nearby

Tornado Warnings in Minnesota, 1994Every tornado warning in 1994Tornadoes 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.