Alert archive / Texas / Tornado Watches in 1999

Tornado Watch 199

May 3, 1999Love County, Marshall County, Oklahoma; 25 counties in Texas

The Storm Prediction Center issued this tornado watch at May 3, 1999, 7:30 PM CDT for Love County, Marshall County, Oklahoma; 25 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: May 3, 1999, 7:30 PM CDT (00:30 UTC)
Expired: May 4, 1999, 12:00 AM CDT
In force: 5 hr
Issued by: the Storm Prediction Center

All 27 counties

Love County, OK, Marshall County, OK, Archer County, TX, Baylor County, TX, Callahan County, TX, Clay County, TX, Cooke County, TX, Eastland County, TX, Erath County, TX, Fisher County, TX, Haskell County, TX, Jack County, TX, Jones County, TX, Knox County, TX, Mitchell County, TX, Montague County, TX, Nolan County, TX, Palo Pinto County, TX, Parker County, TX, Shackelford County, TX, Stephens County, TX, Stonewall County, TX, Taylor County, TX, Throckmorton County, TX, Wichita County, TX, Wise County, TX, Young County, TX

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
May 3, 7:33 PM CDT	Severe Thunderstorm Warning	LUB	Stonewall	32 min
May 3, 7:40 PM CDT	Severe Thunderstorm Warning	SJT	Mitchell	65 min
May 3, 7:44 PM CDT	Severe Thunderstorm Warning	SJT	Fisher	61 min
May 3, 7:52 PM CDT	Tornado Warning	SJT	Mitchell, Nolan	83 min
May 3, 8:07 PM CDT	Severe Thunderstorm Warning	LUB	Stonewall	53 min
May 3, 8:14 PM CDT	Tornado Warning	OUN	Knox	46 min
May 3, 8:19 PM CDT	Severe Thunderstorm Warning	SJT	Haskell	26 min
May 3, 8:39 PM CDT	Severe Thunderstorm Warning	SJT	Taylor	66 min
May 3, 8:47 PM CDT	Tornado Warning	SJT	Taylor	58 min
May 3, 9:00 PM CDT	Severe Thunderstorm Warning	OUN	Knox	45 min
May 3, 9:40 PM CDT	Severe Thunderstorm Warning	SJT	Taylor	65 min
May 3, 9:46 PM CDT	Severe Thunderstorm Warning	OUN	Knox	29 min
May 3, 9:52 PM CDT	Severe Thunderstorm Warning	SJT	Callahan	68 min
May 3, 10:25 PM CDT	Severe Thunderstorm Warning	SJT	Taylor	45 min
May 3, 11:09 PM CDT	Severe Thunderstorm Warning	FWD	Parker	51 min
May 3, 11:20 PM CDT	Severe Thunderstorm Warning	SJT	Taylor	55 min
May 3, 11:23 PM CDT	Severe Thunderstorm Warning	FWD	Wise	52 min

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 0.5 hours before the alert went out and 192 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: 2685 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 1189 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 143 m²/s²
0-3 km storm-relative helicity: 204 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 14.3

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
May 3, 7:15 PM CDT	Tornado Watch	SPC	Alfalfa, Blaine, Bryan, Caddo, Canadian, Carter and 33 more	5 hr
May 3, 10:45 PM CDT	Tornado Watch	SPC	Alfalfa, Blaine, Caddo, Canadian, Carter, Cleveland and 42 more	6 hr
May 3, 11:30 PM CDT	Tornado Watch	SPC	Adair, Atoka, Bryan, Cherokee, Choctaw, Coal and 16 more	6 hr
May 4, 12:00 AM CDT	Tornado Watch	SPC	Craig, Kay, Nowata, Osage, Ottawa, Washington	5 hr
May 4, 5:00 AM CDT	Tornado Watch	SPC	Alfalfa, Blaine, Caddo, Canadian, Carter, Cleveland and 41 more	6 hr
May 4, 11:00 AM CDT	Tornado Watch	SPC	Adair, Atoka, Bryan, Carter, Cherokee, Choctaw and 27 more	5 hr
May 4, 3:00 PM CDT	Tornado Watch	SPC	Adair, Choctaw, Haskell, Latimer, LeFlore, McCurtain and 2 more	6 hr
May 4, 3:00 AM CDT	Tornado Watch	SPC	Bandera, Brown, Burnet, Concho, Coryell, Crockett and 18 more	2 hr
May 4, 5:00 AM CDT	Tornado Watch	SPC	Archer, Baylor, Blanco, Bosque, Brown, Burnet and 46 more	6 hr

Nearby

Tornado Watches in Texas, 1999 Tornado Watches in Oklahoma, 1999 Every tornado watch in 1999

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.