Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 252, NWS Fort Worth, TX

June 16, 1997Denton County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Jun 16, 1997, 7:28 PM CDT for Denton County, Texas. It was in force for 47 min. 7 reports 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 16, 1997, 7:28 PM CDT (00:28 UTC)
Expired
Jun 16, 1997, 8:15 PM CDT
In force
47 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Denton County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 72 km from the middle of the area, began a volume at 00:30 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
Jun 16, 7:33 PM CDTHail 1Lewisville, TX
Jun 16, 7:36 PM CDTThunderstorm WindLewisville, TXStrong winds blew down power lines
Jun 16, 7:42 PM CDTThunderstorm WindLewisville, TXStrong winds overturned a mobile home. Trees and power lines were also downed by the strong winds. A large tree was blown onto a house resulting in major damage.
Jun 16, 7:44 PM CDTThunderstorm Wind 58Lewisville, TXWind gusts to 67 mph were measured in The Colony.
Jun 16, 8:00 PM CDTThunderstorm WindRoanoke, TXStrong winds blew down trees on I-35W at Eagle Parkway. Wind damage also occurred in the infield of the Texas Motor Speedway (5 NW Roanoke) where a temporary trailer was flipped.
Jun 16, 8:15 PM CDTHail 0.75Roanoke, TX
Jun 16, 8:15 PM CDTThunderstorm WindRoanoke, TXStrong winds blew down trees.

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 16, 6:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 0.5 hours before the alert went out and 45 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 1997-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5256 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 1997-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
5256 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
968 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.6
Supercell composite
2.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KFTW 170026 RRA
SVRFTW
TXC121-170115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
728 PM CDT MON JUN 16 1997
 
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  815 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL TEXAS
 
   ...DENTON COUNTY
 
AT 725 PM... NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM OVER LAKE LEWISVILLE. THIS STORM IS MOVING TO THE EAST AT
15 MILES PER HOUR. PERSONS IN FLOWER MOUND AND THE COLONY ARE IN THE
PATH OF THE STORM.
 
THIS SEVERE THUNDERSTORM WILL PRODUCE DAMAGING WIND AND LARGE HAIL.
 
A TORNADO WATCH REMAINS IN EFFECT FOR PARTS nOF NORTH TEXAS.
SEVERE THUNDERSTORMS OCCASIONALLY PRODUCE TORNADOES WITH LITTLE
ADVANCE WARNING.  REMAIN ALERT TO RAPIDLY CHANGING WEATHER
CONDITIONS.

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 16, 7:15 PM CDTSevere Thunderstorm WarningFWDDallas60 min
Jun 16, 7:40 PM CDTSevere Thunderstorm WarningFWDCollin65 min
Jun 16, 7:42 PM CDTSevere Thunderstorm WarningFWDPalo Pinto63 min
Jun 16, 7:57 PM CDTSevere Thunderstorm WarningFWDComanche63 min
Jun 16, 8:08 PM CDTSevere Thunderstorm WarningFWDHunt, Rockwall52 min
Jun 16, 8:11 PM CDTSevere Thunderstorm WarningFWDDallas, Tarrant49 min
Jun 16, 8:13 PM CDTSevere Thunderstorm WarningFWDEastland62 min
Jun 16, 8:15 PM CDTSevere Thunderstorm WarningFWDWise45 min
Jun 16, 8:17 PM CDTSevere Thunderstorm WarningFWDHaskell43 min
Jun 16, 8:34 PM CDTSevere Thunderstorm WarningFWDParker56 min
Jun 16, 8:39 PM CDTSevere Thunderstorm WarningFWDDenton51 min
Jun 16, 8:57 PM CDTTornado WarningFWDThrockmorton48 min
Jun 16, 9:06 PM CDTSevere Thunderstorm WarningFWDTarrant69 min
Jun 16, 9:09 PM CDTFlash Flood WarningFWDDenton3 hr
Jun 16, 9:31 PM CDTTornado WarningFWDYoung44 min
Jun 16, 9:41 PM CDTSevere Thunderstorm WarningFWDStephens64 min
Jun 16, 10:03 PM CDTSevere Thunderstorm WarningFWDJack57 min
Jun 16, 10:03 PM CDTSevere Thunderstorm WarningFWDPalo Pinto57 min
Jun 16, 10:13 PM CDTSevere Thunderstorm WarningFWDDallas, Tarrant62 min
Jun 16, 10:23 PM CDTFlash Flood WarningFWDTarrant3 hr
Jun 16, 11:29 PM CDTSevere Thunderstorm WarningFWDDallas, Tarrant61 min
Jun 16, 11:48 PM CDTSevere Thunderstorm WarningFWDHunt57 min
Jun 16, 11:54 PM CDTFlash Flood WarningFWDDallas3 hr
Jun 16, 11:57 PM CDTSevere Thunderstorm WarningFWDEllis, Johnson63 min
Jun 17, 12:12 AM CDTSevere Thunderstorm WarningFWDHopkins, Rains63 min
Jun 17, 12:16 AM CDTSevere Thunderstorm WarningFWDComanche29 min
Jun 17, 12:23 AM CDTSevere Thunderstorm WarningFWDHamilton67 min
Jun 17, 12:30 AM CDTSevere Thunderstorm WarningFWDDallas60 min
Jun 17, 12:42 AM CDTSevere Thunderstorm WarningFWDKaufman63 min
Jun 17, 1:14 AM CDTSevere Thunderstorm WarningFWDVan Zandt61 min

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.