Alert archive / Texas / Tornado Warnings in 1997

Tornado Warning 23, NWS Fort Worth, TX

May 25, 1997Collin County, Texas

NWS Fort Worth, TX issued this tornado warning at May 25, 1997, 10:48 PM CDT for Collin County, Texas. It was in force for 42 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
May 25, 1997, 10:48 PM CDT (03:48 UTC)
Expired
May 25, 1997, 11:30 PM CDT
In force
42 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Collin County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 97 km from the middle of the area, began a volume at 03:50 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
May 25, 11:04 PM CDTHail 1Celina, 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
May 25, 8:00 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 3.8 hours before the alert went out and 78 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 1997-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4787 joules per kilogram.LCLEL10008507005003002001001 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 1997-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 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
4787 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
865 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
5.1
Supercell composite
22.7

Open this sounding in Storm Lab

The text

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

009 
WFUS1 KFTW 260350 RRA
TORFTW
TXC085-260430-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
1048 PM CDT SUN MAY 25 1997
 
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1130 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL TEXAS
 
   ...COLLIN COUNTY
 
AT 1047 PM RADAR SHOWED A SEVERE THUNDERSTORM WITH POSSIBLE TORNADO NORTOF CELINA MOVING TO THE EAST AND SOUTHEAST AT 40 MILES AN HOUR. LARGE HA
AND WIND GUSTS TO 70 MPH ARE ALSO LIKELY WITH THIS STORM.
 
A TORNADO WATCH REMAINS IN EFFECT FOR PARTS OF 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
May 25, 7:22 PM CDTTornado WarningFWDMontague38 min
May 25, 7:25 PM CDTTornado WarningFWDCooke50 min
May 25, 8:15 PM CDTTornado WarningFWDCooke60 min
May 25, 8:17 PM CDTTornado WarningFWDMontague28 min
May 25, 8:30 PM CDTFlash Flood WarningFWDCooke3 hr
May 25, 8:45 PM CDTTornado WarningFWDMontague15 min
May 25, 9:11 PM CDTTornado WarningFWDGrayson64 min
May 25, 9:14 PM CDTTornado WarningFWDCooke61 min
May 25, 10:11 PM CDTTornado WarningFWDCooke64 min
May 25, 10:16 PM CDTSevere Thunderstorm WarningFWDGrayson44 min
May 25, 10:29 PM CDTSevere Thunderstorm WarningFWDFannin61 min
May 25, 10:38 PM CDTTornado WarningFWDGrayson37 min

Nearby

Tornado Warnings in Texas, 1997Every tornado warning in 1997Tornadoes 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.