Alert archive / Texas / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 643, NWS Norman, OK

November 4, 1994Clay County, Texas

NWS Norman, OK issued this severe thunderstorm warning at Nov 4, 1994, 7:10 AM CST for Clay County, Texas. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Nov 4, 1994, 7:10 AM CST (13:10 UTC)
Expired
Nov 4, 1994, 8:15 AM CST
In force
65 min
Issued by
NWS Norman, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Clay County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 1.2 hours before the alert went out and 136 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, Fort Worth, TX at 12:00Z on 1994-11-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2471 joules per kilogram.LCLEL10008507005003002001001 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, Fort Worth, TX at 12:00Z on 1994-11-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 197 square meters per square second.1939587897Sfc1 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
2471 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
197 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
2.4
Supercell composite
13.8

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.

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 4, 9:23 AM CSTFlash Flood WarningOUNCotton, Jefferson, Stephens3 hr
Nov 4, 2:55 PM CSTSevere Thunderstorm WarningOUNJackson50 min
Nov 4, 3:13 PM CSTSevere Thunderstorm WarningOUNJackson62 min
Nov 4, 3:36 PM CSTSevere Thunderstorm WarningOUNKiowa39 min
Nov 4, 6:34 AM CSTSevere Thunderstorm WarningOUNClay, Wichita41 min
Nov 4, 6:59 AM CSTSevere Thunderstorm WarningOUNKnox61 min
Nov 4, 7:25 AM CSTSevere Thunderstorm WarningOUNBaylor, Foard, Wilbarger65 min
Nov 4, 9:23 AM CSTFlash Flood WarningOUNWichita3 hr
Nov 4, 2:36 PM CSTSevere Thunderstorm WarningOUNHardeman39 min

Nearby

Severe Thunderstorm Warnings in Texas, 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.