Alert archive / Texas / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 191, NWS Shreveport, LA

April 26, 1999Titus County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Apr 26, 1999, 11:07 AM CDT for Titus County, Texas. It was in force for 23 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
Apr 26, 1999, 11:07 AM CDT (16:07 UTC)
Expired
Apr 26, 1999, 11:30 AM CDT
In force
23 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Titus County, TX

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 26, 9:15 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 4.1 hours before the alert went out and 316 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, Norman, OK at 12:00Z on 1999-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 518 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, Norman, OK at 12:00Z on 1999-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 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
518 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
644 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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 Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 26, 9:46 AM CDTSevere Thunderstorm WarningSHVSmith, Wood44 min
Apr 26, 10:37 AM CDTSevere Thunderstorm WarningSHVGregg, Smith, Upshur63 min
Apr 26, 11:13 AM CDTSevere Thunderstorm WarningSHVMorris32 min
Apr 26, 11:15 AM CDTSevere Thunderstorm WarningSHVCass, Marion60 min
Apr 26, 11:15 AM CDTSevere Thunderstorm WarningSHVBowie60 min
Apr 26, 11:30 AM CDTSevere Thunderstorm WarningSHVHarrison60 min
Apr 26, 11:36 AM CDTSevere Thunderstorm WarningSHVPanola64 min
Apr 26, 11:56 AM CDTSevere Thunderstorm WarningSHVCaddo, De Soto59 min
Apr 26, 11:56 AM CDTSevere Thunderstorm WarningSHVBossier59 min
Apr 26, 12:30 PM CDTSevere Thunderstorm WarningSHVSabine30 min
Apr 26, 12:48 PM CDTSevere Thunderstorm WarningSHVBienville, Natchitoches, Red River47 min
Apr 26, 12:48 PM CDTSevere Thunderstorm WarningSHVWebster47 min
Apr 26, 1:06 PM CDTSevere Thunderstorm WarningSHVClaiborne44 min
Apr 26, 1:28 PM CDTSevere Thunderstorm WarningSHVJackson, Lincoln, Union57 min
Apr 26, 1:28 PM CDTSevere Thunderstorm WarningSHVWinn57 min
Apr 26, 1:29 PM CDTSevere Thunderstorm WarningSHVGrant61 min
Apr 26, 1:59 PM CDTSevere Thunderstorm WarningSHVCaldwell, Ouachita61 min
Apr 26, 2:28 PM CDTSevere Thunderstorm WarningSHVLaSalle47 min
Apr 25, 7:14 PM CDTSevere Thunderstorm WarningSHVColumbia51 min
Apr 26, 12:02 PM CDTSevere Thunderstorm WarningSHVMiller48 min
Apr 26, 12:33 PM CDTSevere Thunderstorm WarningSHVHempstead, Lafayette62 min
Apr 26, 12:33 PM CDTSevere Thunderstorm WarningSHVHoward62 min
Apr 26, 12:54 PM CDTSevere Thunderstorm WarningSHVNevada66 min
Apr 26, 12:54 PM CDTSevere Thunderstorm WarningSHVColumbia46 min
Apr 26, 1:28 PM CDTSevere Thunderstorm WarningSHVUnion47 min

Nearby

Severe Thunderstorm Warnings in Texas, 1999Every severe thunderstorm warning in 1999

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.