Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 201, NWS San Angelo, TX

July 17, 1998Haskell County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Jul 17, 1998, 6:07 PM CDT for Haskell County, Texas. It was in force for 63 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
Jul 17, 1998, 6:07 PM CDT (23:07 UTC)
Expired
Jul 17, 1998, 7:10 PM CDT
In force
63 min
Issued by
NWS San Angelo, TX
Area
Whole counties

County Haskell County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.1 hours before the alert went out and 231 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 1998-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 975 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, Fort Worth, TX at 12:00Z on 1998-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.1939Sfc1 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
975 J/kg
Mixed-layer CIN
-175 J/kg
Mixed-layer LCL
1679 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
119 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 San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 16, 9:14 PM CDTSevere Thunderstorm WarningSJTMitchell36 min
Jul 17, 1:50 PM CDTSevere Thunderstorm WarningSJTCallahan35 min
Jul 17, 3:04 PM CDTSevere Thunderstorm WarningSJTBrown31 min
Jul 17, 3:42 PM CDTSevere Thunderstorm WarningSJTColeman33 min
Jul 17, 4:27 PM CDTSevere Thunderstorm WarningSJTColeman, McCulloch33 min
Jul 17, 4:54 PM CDTSevere Thunderstorm WarningSJTFisher36 min
Jul 17, 5:15 PM CDTSevere Thunderstorm WarningSJTSan Saba35 min
Jul 17, 5:30 PM CDTSevere Thunderstorm WarningSJTJones35 min
Jul 17, 6:02 PM CDTSevere Thunderstorm WarningSJTFisher, Jones33 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.