Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 13, NWS Duluth, MN

June 14, 1994Saint Louis County, Minnesota

NWS Duluth, MN issued this severe thunderstorm warning at Jun 14, 1994, 5:54 AM CDT for Saint Louis County, Minnesota. It was in force for 36 min.

The area

The counties it named.

The facts

Issued
Jun 14, 1994, 5:54 AM CDT (10:54 UTC)
Expired
Jun 14, 1994, 6:30 AM CDT
In force
36 min
Issued by
NWS Duluth, MN
Area
Whole counties

County Saint Louis County, MN

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 10.9 hours before the alert went out and 482 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, Green Bay/Straub, WI at 00:00Z on 1994-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Green Bay/Straub, WI at 00:00Z on 1994-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
951 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
119 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.

The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 14, 4:26 AM CDTSevere Thunderstorm WarningDLHCass, Itasca64 min
Jun 14, 5:02 AM CDTSevere Thunderstorm WarningDLHItasca28 min
Jun 14, 5:07 AM CDTSevere Thunderstorm WarningDLHKoochiching, Saint Louis38 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 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.