Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 451, NWS Fort Worth, TX

June 25, 1990Madison County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Jun 25, 1990, 11:02 PM CDT for Madison County, Texas. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jun 25, 1990, 11:02 PM CDT (04:02 UTC)
Expired
Jun 26, 1990, 12:00 AM CDT
In force
58 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Madison County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 00:00Z, 4.0 hours before the alert went out and 199 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 00:00Z on 1990-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2311 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 00:00Z on 1990-06-26The 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
2311 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1538 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
100 m²/s²
Significant tornado parameter
0.2
Supercell composite
3.8

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 Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 25, 7:57 PM CDTSevere Thunderstorm WarningFWDMorris, Titus63 min
Jun 25, 9:01 PM CDTSevere Thunderstorm WarningFWDSmith59 min
Jun 25, 9:15 PM CDTSevere Thunderstorm WarningFWDTitus60 min
Jun 25, 9:56 PM CDTSevere Thunderstorm WarningFWDHenderson, Van Zandt64 min
Jun 25, 10:46 PM CDTSevere Thunderstorm WarningFWDLeon59 min

Nearby

Severe Thunderstorm Warnings in Texas, 1990Every severe thunderstorm warning in 1990

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.