Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 319, NWS Fort Worth, TX

September 3, 1997Wise County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Sep 3, 1997, 2:59 PM CDT for Wise County, Texas. It was in force for 46 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
Sep 3, 1997, 2:59 PM CDT (19:59 UTC)
Expired
Sep 3, 1997, 3:45 PM CDT
In force
46 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Wise County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 79 km from the middle of the area, began a volume at 19:46 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.

What was reported inside it

TimeReportWhereRemark
Sep 3, 2:59 PM CDTThunderstorm WindBridgeport, TXStrong winds blew down trees onto Highway 380.

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, 8.0 hours before the alert went out and 55 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 1997-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1407 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 1997-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
1407 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
1429 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
105 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 Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 2, 7:08 PM CDTSevere Thunderstorm WarningFWDFalls52 min
Sep 3, 2:28 PM CDTSevere Thunderstorm WarningFWDMcLennan62 min
Sep 3, 3:46 PM CDTSevere Thunderstorm WarningFWDPalo Pinto59 min
Sep 3, 4:10 PM CDTSevere Thunderstorm WarningFWDStephens65 min
Sep 3, 5:20 PM CDTSevere Thunderstorm WarningFWDMontague55 min
Sep 3, 5:33 PM CDTFlash Flood WarningFWDMontague2 hr

Nearby

Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997

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; radar from the NEXRAD Level II archive.