Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 101, NWS Fort Worth, TX

April 22, 1997Ellis County, Kaufman County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 22, 1997, 4:54 AM CDT for Ellis County, Kaufman County, Texas. It was in force for 66 min. 2 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
Apr 22, 1997, 4:54 AM CDT (09:54 UTC)
Expired
Apr 22, 1997, 6:00 AM CDT
In force
66 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

Counties Ellis County, TX, Kaufman County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 72 km from the middle of the area, began a volume at 09:54 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
Apr 22, 5:15 AM CDTThunderstorm Wind 52Terrell, TX
Apr 22, 5:15 AM CDTThunderstorm Wind 52Kaufman, 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
Apr 22, 1:45 AM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 9.9 hours before the alert went out and 81 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 1997-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2364 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 1997-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.193958Sfc1 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
2364 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
1547 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
167 m²/s²
Significant tornado parameter
0.5
Supercell composite
5.6

Open this sounding in Storm Lab

The text

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

917 
WUUS1 KFTW 220954 RRA
SVRFTW
TXC139-257-221100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
454 AM CDT TUE APR 22 1997
 
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL TEXAS
 
   ...ELLIS COUNTY...KAUFMAN COUNTY
 
AT 453 AM...RADAR SHOWED SEVERE THUNDERSTORMS WITH WINDS IN EXCESS OF 70
MPH MOVING INTO KAUFMAN AND ELLIS COUNTIES FROM THE NORTHWEST. WINDS TO
NEAR 80 MPH WERE REPORTED IN EASTERN DALLAS COUNTY WITH THIS STORM.
 
THIS IS A DANGEROUS STORM.  AS IT APPROACHES YOU SHOULD
PREPARE FOR DAMAGING WIND...LARGE HAIL...AND FREQUENT LIGHTNING.
IF YOU ARE OUTSIDE MOVE TO STURDY SHELTER NOW.
 
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 21, 11:07 PM CDTSevere Thunderstorm WarningFWDVan Zandt68 min
Apr 22, 12:06 AM CDTSevere Thunderstorm WarningFWDHenderson69 min
Apr 22, 12:15 AM CDTSevere Thunderstorm WarningFWDVan Zandt30 min
Apr 22, 12:22 AM CDTTornado WarningFWDHenderson53 min
Apr 22, 1:29 AM CDTSevere Thunderstorm WarningFWDVan Zandt61 min
Apr 22, 2:11 AM CDTFlash Flood WarningFWDVan Zandt3 hr
Apr 22, 2:17 AM CDTSevere Thunderstorm WarningFWDMontague58 min
Apr 22, 2:19 AM CDTSevere Thunderstorm WarningFWDYoung56 min
Apr 22, 2:31 AM CDTTornado WarningFWDVan Zandt59 min
Apr 22, 2:37 AM CDTSevere Thunderstorm WarningFWDJack68 min
Apr 22, 2:55 AM CDTSevere Thunderstorm WarningFWDCooke, Wise65 min
Apr 22, 3:03 AM CDTTornado WarningFWDJack57 min
Apr 22, 3:16 AM CDTSevere Thunderstorm WarningFWDThrockmorton44 min
Apr 22, 3:25 AM CDTSevere Thunderstorm WarningFWDDenton65 min
Apr 22, 3:43 AM CDTSevere Thunderstorm WarningFWDYoung62 min
Apr 22, 3:54 AM CDTSevere Thunderstorm WarningFWDCollin66 min
Apr 22, 3:54 AM CDTSevere Thunderstorm WarningFWDParker, Tarrant66 min
Apr 22, 4:03 AM CDTSevere Thunderstorm WarningFWDLamar57 min
Apr 22, 4:19 AM CDTSevere Thunderstorm WarningFWDDallas56 min
Apr 22, 4:36 AM CDTSevere Thunderstorm WarningFWDJack, Wise69 min
Apr 22, 4:44 AM CDTSevere Thunderstorm WarningFWDHunt, Rockwall61 min
Apr 22, 4:59 AM CDTSevere Thunderstorm WarningFWDCollin31 min
Apr 22, 5:10 AM CDTSevere Thunderstorm WarningFWDFannin65 min
Apr 22, 5:18 AM CDTSevere Thunderstorm WarningFWDDelta, Hopkins, Lamar, Rains57 min
Apr 22, 5:18 AM CDTSevere Thunderstorm WarningFWDVan Zandt57 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.