Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 169, NWS Austin/San Antonio, TX

June 5, 1998Williamson County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 5, 1998, 3:53 PM CDT for Williamson County, Texas. It was in force for 62 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 5, 1998, 3:53 PM CDT (20:53 UTC)
Expired
Jun 5, 1998, 4:55 PM CDT
In force
62 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Williamson County, TX

What was reported inside it

TimeReportWhereRemark
Jun 5, 4:00 PM CDTHail 0.75Georgetown, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 8.9 hours before the alert went out and 245 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 1998-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 102 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 1998-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 237 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
102 J/kg
Mixed-layer CIN
-619 J/kg
Mixed-layer LCL
1009 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
237 m²/s²
0-3 km storm-relative helicity
351 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

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 Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 4, 10:11 PM CDTSevere Thunderstorm WarningEWXZavala49 min
Jun 5, 2:52 PM CDTSevere Thunderstorm WarningEWXKendall63 min
Jun 5, 3:31 PM CDTSevere Thunderstorm WarningEWXBlanco29 min
Jun 5, 3:37 PM CDTSevere Thunderstorm WarningEWXComal53 min
Jun 5, 3:40 PM CDTSevere Thunderstorm WarningEWXHays65 min
Jun 5, 4:06 PM CDTSevere Thunderstorm WarningEWXKendall64 min
Jun 5, 4:14 PM CDTSevere Thunderstorm WarningEWXBlanco61 min
Jun 5, 4:14 PM CDTSevere Thunderstorm WarningEWXCaldwell, Guadalupe61 min
Jun 5, 4:41 PM CDTTornado WarningEWXCaldwell64 min
Jun 5, 5:07 PM CDTTornado WarningEWXFayette, Gonzales58 min
Jun 5, 5:11 PM CDTSevere Thunderstorm WarningEWXBastrop64 min
Jun 5, 5:28 PM CDTSevere Thunderstorm WarningEWXWilliamson67 min
Jun 5, 5:40 PM CDTFlash Flood WarningEWXFayette3 hr
Jun 5, 6:52 PM CDTSevere Thunderstorm WarningEWXFayette63 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.