Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 76, NWS Norman, OK

April 5, 1994Choctaw County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Apr 5, 1994, 12:33 PM CDT for Choctaw County, Oklahoma. It was in force for 32 min.

The area

The counties it named.

The facts

Issued
Apr 5, 1994, 12:33 PM CDT (17:33 UTC)
Expired
Apr 5, 1994, 1:05 PM CDT
In force
32 min
Issued by
NWS Norman, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Choctaw County, OK

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 12:00Z, 5.6 hours before the alert went out and 206 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, Longview/Gregg, TX at 12:00Z on 1994-04-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 402 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, Longview/Gregg, TX at 12:00Z on 1994-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 364 square meters per square second.1939587897117136Sfc1 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
402 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
550 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
364 m²/s²
0-3 km storm-relative helicity
248 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.8

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The text

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

Nearby

Severe Thunderstorm Warnings in Oklahoma, 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.