Alert archive / Texas / Tornado Watches in 1998

Tornado Watch 857

October 2, 1998Miller County, Arkansas; 60 counties in Texas

The Storm Prediction Center issued this tornado watch at Oct 2, 1998, 2:45 PM CDT for Miller County, Arkansas; 60 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Oct 2, 1998, 2:45 PM CDT (19:45 UTC)
Expired
Oct 2, 1998, 9:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 61 counties

Miller County, AR, Anderson County, TX, Archer County, TX, Baylor County, TX, Bosque County, TX, Callahan County, TX, Camp County, TX, Cass County, TX, Cherokee County, TX, Coleman County, TX, Collin County, TX, Comanche County, TX, Cooke County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Eastland County, TX, Ellis County, TX, Erath County, TX, Franklin County, TX, Freestone County, TX, Grayson County, TX, Gregg County, TX, Harrison County, TX, Haskell County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Hopkins County, TX, Hunt County, TX, Jack County, TX, Johnson County, TX, Jones County, TX, Kaufman County, TX, Knox County, TX, Marion County, TX, Montague County, TX, Morris County, TX, Nacogdoches County, TX, Navarro County, TX, Palo Pinto County, TX, Panola County, TX, Parker County, TX, Rains County, TX, Rockwall County, TX, Rusk County, TX, San Augustine County, TX, Shackelford County, TX, Shelby County, TX, Smith County, TX, Somervell County, TX, Stephens County, TX, Tarrant County, TX, Taylor County, TX, Throckmorton County, TX, Titus County, TX, Upshur County, TX, Van Zandt County, TX, Wise County, TX, Wood County, TX, Young County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 40 km from the middle of the area, began a volume at 19:49 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

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

IssuedProductOfficeCountiesLasted
Oct 2, 3:19 PM CDTTornado WarningSHVCass, Morris51 min
Oct 2, 4:21 PM CDTSevere Thunderstorm WarningFWDDallas39 min
Oct 2, 4:25 PM CDTSevere Thunderstorm WarningOUNArcher50 min
Oct 2, 4:47 PM CDTSevere Thunderstorm WarningFWDYoung43 min
Oct 2, 5:11 PM CDTSevere Thunderstorm WarningOUNArcher34 min
Oct 2, 5:17 PM CDTTornado WarningFWDYoung28 min
Oct 2, 5:27 PM CDTTornado WarningFWDJack48 min
Oct 2, 5:36 PM CDTSevere Thunderstorm WarningFWDCollin, Denton54 min
Oct 2, 5:43 PM CDTTornado WarningFWDYoung17 min
Oct 2, 5:48 PM CDTSevere Thunderstorm WarningSJTShackelford, Throckmorton32 min
Oct 2, 5:50 PM CDTSevere Thunderstorm WarningFWDStephens55 min
Oct 2, 6:01 PM CDTSevere Thunderstorm WarningFWDYoung59 min
Oct 2, 6:14 PM CDTSevere Thunderstorm WarningFWDJack61 min
Oct 2, 6:47 PM CDTSevere Thunderstorm WarningFWDStephens43 min
Oct 2, 6:54 PM CDTSevere Thunderstorm WarningFWDWise66 min
Oct 2, 7:00 PM CDTSevere Thunderstorm WarningFWDCollin45 min
Oct 2, 7:04 PM CDTTornado WarningFWDJack26 min
Oct 2, 7:11 PM CDTTornado WarningFWDParker49 min
Oct 2, 7:14 PM CDTTornado WarningFWDCollin, Hunt46 min
Oct 2, 7:18 PM CDTTornado WarningFWDWise42 min
Oct 2, 7:41 PM CDTSevere Thunderstorm WarningFWDPalo Pinto, Stephens64 min
Oct 2, 7:48 PM CDTTornado WarningFWDTarrant57 min
Oct 2, 8:01 PM CDTTornado WarningFWDCollin59 min
Oct 2, 8:04 PM CDTSevere Thunderstorm WarningFWDParker56 min
Oct 2, 8:40 PM CDTSevere Thunderstorm WarningFWDDallas, Tarrant65 min
Oct 2, 8:44 PM CDTSevere Thunderstorm WarningFWDPalo Pinto, Stephens61 min
Oct 2, 9:00 PM CDTFlash Flood WarningFWDCollin, Dallas, Denton, Tarrant3 hr
Oct 2, 9:00 PM CDTFlash Flood WarningFWDDelta, Hopkins, Hunt3 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 7.8 hours before the alert went out and 20 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 1998-10-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 116 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 1998-10-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 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
116 J/kg
Mixed-layer CIN
-131 J/kg
Mixed-layer LCL
1310 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
137 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.

Nearby

Tornado Watches in Texas, 1998Tornado Watches in Arkansas, 1998Every tornado watch in 1998

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.