Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 129, NWS San Angelo, TX

June 4, 1998San Saba County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Jun 4, 1998, 8:57 PM CDT for San Saba County, Texas. It was in force for 33 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 4, 1998, 8:57 PM CDT (01:57 UTC)
Expired
Jun 4, 1998, 9:30 PM CDT
In force
33 min
Issued by
NWS San Angelo, TX
Area
Whole counties

County San Saba County, TX

What was reported inside it

TimeReportWhereRemark
Jun 4, 9:00 PM CDTHail 0.88San Saba, 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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 4, 5:30 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 2.0 hours before the alert went out and 236 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 00:00Z on 1998-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3547 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 00:00Z on 1998-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
3547 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1435 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.6
Supercell composite
6.9

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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 4, 1:55 PM CDT, 7 hours 2 minutes earlier.

Area forecast discussion, Jun 4, 1:55 PM CDT, 7 hours 2 minutes before
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The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 4, 7:35 PM CDTSevere Thunderstorm WarningSJTMcCulloch50 min
Jun 4, 7:46 PM CDTFlash Flood WarningSJTMcCulloch, San Saba3 hr
Jun 4, 7:54 PM CDTSevere Thunderstorm WarningSJTSan Saba66 min
Jun 5, 12:37 AM CDTSevere Thunderstorm WarningSJTConcho38 min
Jun 5, 12:57 AM CDTSevere Thunderstorm WarningSJTSchleicher, Tom Green63 min
Jun 5, 1:25 AM CDTSevere Thunderstorm WarningSJTConcho65 min
Jun 5, 1:28 AM CDTSevere Thunderstorm WarningSJTMcCulloch77 min
Jun 5, 1:34 AM CDTTornado WarningSJTSchleicher, Tom Green51 min
Jun 5, 1:40 AM CDTFlash Flood WarningSJTConcho3 hr
Jun 5, 2:07 AM CDTSevere Thunderstorm WarningSJTBrown, San Saba78 min
Jun 5, 2:19 AM CDTTornado WarningSJTConcho, Menard51 min
Jun 5, 5:20 AM CDTSevere Thunderstorm WarningSJTSutton50 min
Jun 5, 5:54 AM CDTSevere Thunderstorm WarningSJTMenard46 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.