Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 57, NWS Corpus Christi, TX

February 25, 1998La Salle County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at Feb 25, 1998, 11:02 PM CST for La Salle County, Texas. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 25, 1998, 11:02 PM CST (05:02 UTC)
Expired
Feb 25, 1998, 11:45 PM CST
In force
43 min
Issued by
NWS Corpus Christi, TX
Area
Whole counties

County La Salle County, TX

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 25, 8:30 PM CSTSevere Thunderstorm WatchSPC6 hr
Feb 25, 9:30 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 5.0 hours before the alert went out and 186 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, Corpus Christi, TX at 00:00Z on 1998-02-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1002 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, Corpus Christi, TX at 00:00Z on 1998-02-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
1002 J/kg
Mixed-layer CIN
-324 J/kg
Mixed-layer LCL
828 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
70 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 Corpus Christi, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 26, 2:41 AM CSTSevere Thunderstorm WarningCRPLive Oak64 min
Feb 26, 3:00 AM CSTSevere Thunderstorm WarningCRPBee60 min
Feb 26, 3:12 AM CSTSevere Thunderstorm WarningCRPGoliad63 min
Feb 26, 3:51 AM CSTSevere Thunderstorm WarningCRPVictoria69 min

Nearby

Severe Thunderstorm Warnings in Texas, 1998Every severe thunderstorm warning in 1998

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.