Alert archive / Texas / Severe Thunderstorm Watches in 1998

Severe Thunderstorm Watch 64

February 26, 199814 parishes in Louisiana; 31 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Feb 26, 1998, 12:00 AM CST for 14 parishes in Louisiana; 31 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Feb 26, 1998, 12:00 AM CST (06:00 UTC)
Expired
Feb 26, 1998, 6:00 AM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 45 counties

Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Claiborne Parish, LA, De Soto Parish, LA, Jackson Parish, LA, Lincoln Parish, LA, Natchitoches Parish, LA, Red River Parish, LA, Sabine Parish, LA, Union Parish, LA, Vernon Parish, LA, Webster Parish, LA, Winn Parish, LA, Angelina County, TX, Austin County, TX, Brazoria County, TX, Chambers County, TX, Cherokee County, TX, Fort Bend County, TX, Galveston County, TX, Hardin County, TX, Harris County, TX, Harrison County, TX, Houston County, TX, Jasper County, TX, Jefferson County, TX, Liberty County, TX, Marion County, TX, Montgomery County, TX, Nacogdoches County, TX, Newton County, TX, Orange County, TX, Panola County, TX, Polk County, TX, Rusk County, TX, Sabine County, TX, San Augustine County, TX, San Jacinto County, TX, Shelby County, TX, Trinity County, TX, Tyler County, TX, Walker County, TX, Waller County, TX, Wharton County, TX

Warnings issued inside it

24 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Feb 26, 12:01 AM CSTSevere Thunderstorm WarningHGXMontgomery, Walker59 min
Feb 26, 12:08 AM CSTSevere Thunderstorm WarningSHVCherokee, Smith62 min
Feb 26, 12:25 AM CSTSevere Thunderstorm WarningHGXWaller65 min
Feb 26, 12:37 AM CSTSevere Thunderstorm WarningHGXSan Jacinto, Trinity68 min
Feb 26, 12:39 AM CSTSevere Thunderstorm WarningSHVAngelina, Nacogdoches96 min
Feb 26, 12:39 AM CSTSevere Thunderstorm WarningSHVHarrison, Rusk96 min
Feb 26, 12:39 AM CSTSevere Thunderstorm WarningSHVMarion96 min
Feb 26, 1:19 AM CSTSevere Thunderstorm WarningSHVPanola61 min
Feb 26, 1:26 AM CSTSevere Thunderstorm WarningHGXPolk64 min
Feb 26, 1:31 AM CSTSevere Thunderstorm WarningSHVShelby59 min
Feb 26, 1:42 AM CSTSevere Thunderstorm WarningLCHTyler63 min
Feb 26, 1:45 AM CSTSevere Thunderstorm WarningSHVCaddo, De Soto95 min
Feb 26, 1:45 AM CSTSevere Thunderstorm WarningSHVBossier95 min
Feb 26, 1:50 AM CSTSevere Thunderstorm WarningSHVSabine, San Augustine75 min
Feb 26, 2:16 AM CSTSevere Thunderstorm WarningSHVSabine64 min
Feb 26, 2:34 AM CSTSevere Thunderstorm WarningSHVNatchitoches, Red River61 min
Feb 26, 2:42 AM CSTSevere Thunderstorm WarningSHVBienville, Claiborne, Webster93 min
Feb 26, 3:11 AM CSTFlash Flood WarningHGXAustin3 hr
Feb 26, 3:28 AM CSTSevere Thunderstorm WarningSHVLincoln47 min
Feb 26, 3:33 AM CSTSevere Thunderstorm WarningSHVWinn62 min
Feb 26, 4:36 AM CSTSevere Thunderstorm WarningHGXColorado, Wharton59 min
Feb 26, 4:43 AM CSTFlash Flood WarningHGXMontgomery112 min
Feb 26, 5:46 AM CSTSevere Thunderstorm WarningHGXBrazoria29 min
Feb 26, 5:59 AM CSTSevere Thunderstorm WarningLCHTyler46 min

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 6.0 hours before the alert went out and 170 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, Lake Charles Mun, LA at 00:00Z on 1998-02-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 61 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, Lake Charles Mun, LA at 00:00Z on 1998-02-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 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
61 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
647 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
161 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.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 26, 6:30 AM CSTSevere Thunderstorm WatchSPCAcadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 5 more6 hr
Feb 26, 9:30 AM CSTTornado WatchSPCAscension, Assumption, Avoyelles, Catahoula, Concordia, East Baton Rouge and 28 more7 hr
Feb 26, 3:30 PM CSTTornado WatchSPCSaint Tammany6 hr
Feb 25, 8:30 PM CSTSevere Thunderstorm WatchSPCAtascosa, Bastrop, Bexar, Blanco, Burleson, Caldwell and 19 more6 hr
Feb 25, 9:30 PM CSTSevere Thunderstorm WatchSPCAnderson, Bowie, Camp, Cass, Cherokee, Dallas and 24 more6 hr
Feb 25, 9:30 PM CSTTornado WatchSPCAtascosa, Austin, Bastrop, Bee, Bell, Bexar and 31 more6 hr
Feb 26, 5:45 PM CSTSevere Thunderstorm WatchSPCBosque, Brown, Burnet, Comanche, Coryell, Edwards and 23 more4 hr

Nearby

Severe Thunderstorm Watches in Texas, 1998Severe Thunderstorm Watches in Louisiana, 1998Every severe thunderstorm watch 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.