Alert archive / Minnesota / Tornado Warnings in 1994

Tornado Warning 7, NWS Grand Forks, ND

May 23, 1994Otter Tail County, Minnesota

NWS Grand Forks, ND issued this tornado warning at May 23, 1994, 6:51 PM CDT for Otter Tail County, Minnesota. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
May 23, 1994, 6:51 PM CDT (23:51 UTC)
Expired
May 23, 1994, 8:00 PM CDT
In force
69 min
Issued by
NWS Grand Forks, ND
Area
Whole counties

County Otter Tail County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 11.9 hours before the alert went out and 239 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 12:00Z on 1994-05-23Temperature 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, Minneapolis, MN at 12:00Z on 1994-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2059 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
143 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 Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 22, 9:18 PM CDTSevere Thunderstorm WarningFGFClay57 min
May 23, 4:55 PM CDTTornado WarningFGFBecker, Clay, Norman65 min
May 23, 5:19 PM CDTTornado WarningFGFClay56 min
May 23, 5:40 PM CDTTornado WarningFGFOtter Tail, Wilkin65 min
May 23, 6:29 PM CDTSevere Thunderstorm WarningFGFBeltrami, Clearwater31 min
May 23, 6:41 PM CDTSevere Thunderstorm WarningFGFHubbard49 min

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.