Alert archive / Texas / Tornado Watches in 1997

Tornado Watch 329

May 26, 199711 counties in Oklahoma; 19 counties in Texas

The Storm Prediction Center issued this tornado watch at May 26, 1997, 8:45 PM CDT for 11 counties in Oklahoma; 19 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 26, 1997, 8:45 PM CDT (01:45 UTC)
Expired
May 27, 1997, 2:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 30 counties

Atoka County, OK, Bryan County, OK, Choctaw County, OK, Coal County, OK, Johnston County, OK, Latimer County, OK, Love County, OK, Marshall County, OK, McCurtain County, OK, Pontotoc County, OK, Pushmataha County, OK, Collin County, TX, Cooke County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Fannin County, TX, Franklin County, TX, Grayson County, TX, Hopkins County, TX, Hunt County, TX, Kaufman County, TX, Lamar County, TX, Parker County, TX, Rains County, TX, Red River County, TX, Rockwall County, TX, Tarrant County, TX, Van Zandt County, TX, Wise County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 119 km from the middle of the area, began a volume at 01:47 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.

Warnings issued inside it

32 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 26, 9:00 PM CDTTornado WarningOUNJohnston, Marshall30 min
May 26, 9:04 PM CDTSevere Thunderstorm WarningOUNAtoka, Bryan, Johnston41 min
May 26, 9:16 PM CDTSevere Thunderstorm WarningOUNCoal, Hughes44 min
May 26, 9:18 PM CDTTornado WarningOUNMarshall27 min
May 26, 9:21 PM CDTSevere Thunderstorm WarningOUNBryan39 min
May 26, 9:31 PM CDTTornado WarningTSALatimer, Pittsburg59 min
May 26, 9:39 PM CDTTornado WarningOUNBryan, Marshall36 min
May 26, 9:49 PM CDTSevere Thunderstorm WarningOUNAtoka, Johnston41 min
May 26, 9:57 PM CDTTornado WarningTSALatimer63 min
May 26, 10:08 PM CDTFlash Flood WarningOUNJohnston, Marshall3 hr
May 26, 10:13 PM CDTTornado WarningOUNBryan, Marshall47 min
May 26, 10:31 PM CDTSevere Thunderstorm WarningOUNPushmataha49 min
May 26, 10:40 PM CDTTornado WarningOUNMarshall35 min
May 26, 10:45 PM CDTTornado WarningOUNPushmataha45 min
May 26, 10:47 PM CDTSevere Thunderstorm WarningFWDGrayson58 min
May 26, 11:01 PM CDTSevere Thunderstorm WarningSHVMcCurtain59 min
May 26, 11:14 PM CDTTornado WarningFWDGrayson46 min
May 26, 11:21 PM CDTSevere Thunderstorm WarningFWDCooke69 min
May 26, 11:23 PM CDTSevere Thunderstorm WarningOUNChoctaw, Pushmataha52 min
May 26, 11:58 PM CDTTornado WarningFWDGrayson62 min
May 27, 12:01 AM CDTSevere Thunderstorm WarningOUNChoctaw, Pushmataha59 min
May 27, 12:01 AM CDTSevere Thunderstorm WarningSHVMcCurtain59 min
May 27, 12:02 AM CDTFlash Flood WarningFWDGrayson3 hr
May 27, 12:27 AM CDTSevere Thunderstorm WarningFWDLamar63 min
May 27, 12:30 AM CDTSevere Thunderstorm WarningFWDCooke60 min
May 27, 12:37 AM CDTTornado WarningSHVMcCurtain68 min
May 27, 12:41 AM CDTSevere Thunderstorm WarningSHVRed River64 min
May 27, 1:00 AM CDTSevere Thunderstorm WarningOUNChoctaw30 min
May 27, 1:00 AM CDTSevere Thunderstorm WarningFWDGrayson60 min
May 27, 1:30 AM CDTSevere Thunderstorm WarningOUNChoctaw30 min
May 27, 1:30 AM CDTTornado WarningFWDLamar60 min
May 27, 1:52 AM CDTSevere Thunderstorm WarningFWDFannin68 min

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 1.8 hours before the alert went out and 96 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 1997-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6721 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 1997-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 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
6721 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1087 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
3.5
Supercell composite
18.5

Open this sounding in Storm Lab

The text

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

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 27, 1:45 AM CDTSevere Thunderstorm WatchSPCChoctaw, McCurtain5 hr
May 27, 2:45 AM CDTTornado WatchSPCCass5 hr
May 27, 1:15 PM CDTTornado WatchSPCAnderson, Angelina, Bell, Brazos, Camp, Cherokee and 33 more6 hr
May 27, 3:45 PM CDTTornado WatchSPCBowie, Cass, Morris6 hr
May 27, 3:45 PM CDTTornado WatchSPCAtascosa, Bandera, Bastrop, Bexar, Blanco, Brazos and 31 more6 hr

Nearby

Tornado Watches in Texas, 1997Tornado Watches in Oklahoma, 1997Every tornado watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.