Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 166, NWS Fort Worth, TX

May 3, 1998Henderson County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 3, 1998, 1:35 AM CDT for Henderson County, Texas. It was in force for 55 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
May 3, 1998, 1:35 AM CDT (06:35 UTC)
Expired
May 3, 1998, 2:30 AM CDT
In force
55 min
Issued by
NWS Fort Worth, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Henderson County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 142 km from the middle of the area, began a volume at 06:38 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

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

IssuedProductOfficeLasted
May 2, 10:30 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 6.6 hours before the alert went out and 151 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 1998-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1124 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 1998-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.1939587897Sfc1 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
1124 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
2253 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
238 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.4

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 Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 2, 7:05 PM CDTSevere Thunderstorm WarningFWDHill55 min
May 2, 7:28 PM CDTSevere Thunderstorm WarningFWDMcLennan62 min
May 2, 7:59 PM CDTSevere Thunderstorm WarningFWDFalls61 min
May 2, 9:40 PM CDTSevere Thunderstorm WarningFWDNavarro65 min
May 2, 10:00 PM CDTSevere Thunderstorm WarningFWDHenderson65 min
May 2, 10:04 PM CDTSevere Thunderstorm WarningFWDDallas, Kaufman56 min
May 2, 10:14 PM CDTSevere Thunderstorm WarningFWDRains, Van Zandt61 min
May 2, 10:20 PM CDTSevere Thunderstorm WarningFWDDelta, Fannin, Hunt55 min
May 2, 10:20 PM CDTSevere Thunderstorm WarningFWDHopkins55 min
May 2, 10:25 PM CDTSevere Thunderstorm WarningFWDRockwall60 min
May 2, 10:28 PM CDTSevere Thunderstorm WarningFWDCollin, Grayson62 min
May 2, 11:01 PM CDTSevere Thunderstorm WarningFWDKaufman64 min
May 2, 11:11 PM CDTSevere Thunderstorm WarningFWDHopkins, Hunt, Rains64 min
May 2, 11:15 PM CDTSevere Thunderstorm WarningFWDHopkins60 min
May 2, 11:15 PM CDTSevere Thunderstorm WarningFWDVan Zandt60 min
May 2, 11:28 PM CDTSevere Thunderstorm WarningFWDHenderson62 min
May 3, 2:16 AM CDTSevere Thunderstorm WarningFWDLeon29 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; radar from the NEXRAD Level II archive.