Alert archive / Texas / Tornado Watches in 1998

Tornado Watch 257

April 26, 199812 counties in Oklahoma; 35 counties in Texas

The Storm Prediction Center issued this tornado watch at Apr 26, 1998, 3:00 PM CDT for 12 counties in Oklahoma; 35 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Apr 26, 1998, 3:00 PM CDT (20:00 UTC)
Expired: Apr 26, 1998, 9:00 PM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 47 counties

Carter County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Garvin County, OK, Jefferson County, OK, Johnston County, OK, Love County, OK, Marshall County, OK, Murray County, OK, Stephens County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Bosque County, TX, Brown County, TX, Callahan County, TX, Clay County, TX, Coleman County, TX, Comanche County, TX, Concho County, TX, Cooke County, TX, Coryell County, TX, Denton County, TX, Eastland County, TX, Erath County, TX, Grayson County, TX, Hamilton County, TX, Hood County, TX, Jack County, TX, Johnson County, TX, Lampasas County, TX, McCulloch County, TX, Menard County, TX, Mills County, TX, Montague County, TX, Palo Pinto County, TX, Parker County, TX, San Saba County, TX, Shackelford County, TX, Somervell County, TX, Stephens County, TX, Tarrant County, TX, Throckmorton County, TX, Wichita County, TX, Wise County, TX, Young County, TX

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Apr 26, 3:20 PM CDT	Tornado Warning	SJT	Coleman, McCulloch	45 min
Apr 26, 3:40 PM CDT	Severe Thunderstorm Warning	OUN	Archer	50 min
Apr 26, 3:41 PM CDT	Severe Thunderstorm Warning	SJT	Brown	59 min
Apr 26, 3:42 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, Murray, Pontotoc	48 min
Apr 26, 3:42 PM CDT	Tornado Warning	SJT	Brown	63 min
Apr 26, 3:48 PM CDT	Severe Thunderstorm Warning	FWD	Young	57 min
Apr 26, 3:50 PM CDT	Severe Thunderstorm Warning	SJT	Coleman	35 min
Apr 26, 3:56 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Shackelford	49 min
Apr 26, 3:58 PM CDT	Severe Thunderstorm Warning	FWD	Mills	62 min
Apr 26, 4:14 PM CDT	Tornado Warning	SJT	Shackelford	46 min
Apr 26, 4:26 PM CDT	Tornado Warning	FWD	Mills	34 min
Apr 26, 4:45 PM CDT	Severe Thunderstorm Warning	FWD	Young	45 min
Apr 26, 4:45 PM CDT	Severe Thunderstorm Warning	OUN	Clay	45 min
Apr 26, 4:57 PM CDT	Severe Thunderstorm Warning	FWD	Mills	63 min
Apr 26, 5:15 PM CDT	Severe Thunderstorm Warning	FWD	Coryell, Hamilton	60 min
Apr 26, 5:27 PM CDT	Severe Thunderstorm Warning	FWD	Montague	63 min
Apr 26, 5:27 PM CDT	Tornado Warning	OUN	Clay	33 min
Apr 26, 5:29 PM CDT	Severe Thunderstorm Warning	SJT	Throckmorton	61 min
Apr 26, 5:48 PM CDT	Flash Flood Warning	OUN	Jefferson, Stephens	3 hr
Apr 26, 5:53 PM CDT	Tornado Warning	FWD	Montague	37 min
Apr 26, 5:54 PM CDT	Tornado Warning	SJT	Shackelford	51 min
Apr 26, 6:08 PM CDT	Severe Thunderstorm Warning	SJT	San Saba	62 min
Apr 26, 6:12 PM CDT	Tornado Warning	FWD	Coryell	33 min
Apr 26, 6:19 PM CDT	Tornado Warning	SJT	Throckmorton	46 min
Apr 26, 6:30 PM CDT	Severe Thunderstorm Warning	FWD	Stephens	60 min
Apr 26, 6:37 PM CDT	Severe Thunderstorm Warning	FWD	Lampasas	68 min
Apr 26, 7:02 PM CDT	Severe Thunderstorm Warning	FWD	Coryell	58 min
Apr 26, 7:43 PM CDT	Severe Thunderstorm Warning	OUN	Johnston	47 min
Apr 26, 8:30 PM CDT	Flash Flood Warning	OUN	Garvin	3 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 8.0 hours before the alert went out and 134 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 177 J/kg
Mixed-layer CIN: -328 J/kg
Mixed-layer LCL: 676 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 146 m²/s²
0-3 km storm-relative helicity: 7 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.

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 26, 4:30 AM CDT	Severe Thunderstorm Watch	SPC	Adair, Beckham, Blaine, Caddo, Canadian, Cherokee and 41 more	7 hr
Apr 26, 4:00 PM CDT	Tornado Watch	SPC	Baylor, Borden, Cottle, Crosby, Dickens, Fisher and 15 more	5 hr

Nearby

Tornado Watches in Texas, 1998 Tornado Watches in Oklahoma, 1998 Every 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.