Alert archive / Oklahoma / Tornado Watches in 1999

Tornado Watch 202

May 3, 199948 counties in Oklahoma; 36 counties in Texas

The Storm Prediction Center issued this tornado watch at May 3, 1999, 10:45 PM CDT for 48 counties in Oklahoma; 36 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: May 3, 1999, 10:45 PM CDT (03:45 UTC)
Expired: May 4, 1999, 5:00 AM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 84 counties

Alfalfa County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Craig County, OK, Creek County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Grant County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Love County, OK, Major County, OK, Marshall County, OK, Mayes County, OK, McClain County, OK, McIntosh County, OK, Murray County, OK, Noble County, OK, Nowata County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Pontotoc County, OK, Pottawatomie County, OK, Rogers County, OK, Seminole County, OK, Stephens County, OK, Tillman County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK, Washita County, OK, Archer County, TX, Baylor County, TX, Bosque County, TX, Brown County, TX, Callahan County, TX, Clay County, TX, Coke County, TX, Coleman County, TX, Comanche County, TX, Cooke County, TX, Denton County, TX, Eastland County, TX, Erath County, TX, Grayson County, TX, Hamilton County, TX, Haskell County, TX, Hood County, TX, Jack County, TX, Johnson County, TX, Jones County, TX, Knox County, TX, Montague County, TX, Nolan County, TX, Palo Pinto County, TX, Parker County, TX, Runnels County, TX, Shackelford County, TX, Somervell County, TX, Stephens County, TX, Tarrant County, TX, Taylor County, TX, Throckmorton County, TX, Wichita County, TX, Wilbarger County, TX, Wise County, TX, Young County, TX

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
May 3, 10:45 PM CDT	Tornado Warning	OUN	Noble	45 min
May 3, 10:57 PM CDT	Tornado Warning	OUN	Garfield	48 min
May 3, 11:01 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln	44 min
May 3, 11:08 PM CDT	Tornado Warning	TSA	Osage, Pawnee	37 min
May 3, 11:09 PM CDT	Severe Thunderstorm Warning	FWD	Parker	51 min
May 3, 11:10 PM CDT	Severe Thunderstorm Warning	OUN	Murray	50 min
May 3, 11:11 PM CDT	Severe Thunderstorm Warning	TSA	Tulsa	49 min
May 3, 11:12 PM CDT	Tornado Warning	OUN	Logan	33 min
May 3, 11:15 PM CDT	Severe Thunderstorm Warning	FWD	Tarrant	45 min
May 3, 11:19 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee, Okmulgee	41 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
May 3, 11:32 PM CDT	Tornado Warning	TSA	Creek, Tulsa	43 min
May 3, 11:36 PM CDT	Severe Thunderstorm Warning	OUN	Pontotoc	39 min
May 3, 11:38 PM CDT	Tornado Warning	OUN	Payne	37 min
May 3, 11:40 PM CDT	Tornado Warning	OUN	Logan	35 min
May 3, 11:40 PM CDT	Tornado Warning	TSA	Osage	50 min
May 3, 11:43 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Washington	47 min
May 3, 11:43 PM CDT	Severe Thunderstorm Warning	TSA	Osage	47 min
May 3, 11:45 PM CDT	Severe Thunderstorm Warning	OUN	Noble	60 min
May 3, 11:52 PM CDT	Tornado Warning	TSA	Pawnee	38 min
May 3, 11:55 PM CDT	Tornado Warning	OUN	Noble	35 min
May 3, 11:58 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Mayes, Rogers	47 min
May 4, 12:09 AM CDT	Tornado Warning	OUN	Payne	36 min
May 4, 12:10 AM CDT	Tornado Warning	TSA	Tulsa	50 min
May 4, 12:11 AM CDT	Tornado Warning	FWD	Wise	34 min
May 4, 12:15 AM CDT	Severe Thunderstorm Warning	OUN	Murray	45 min
May 4, 12:18 AM CDT	Tornado Warning	TSA	Rogers	57 min
May 4, 12:25 AM CDT	Tornado Warning	TSA	Osage, Pawnee	35 min
May 4, 12:31 AM CDT	Severe Thunderstorm Warning	OUN	Pontotoc	44 min
May 4, 12:44 AM CDT	Severe Thunderstorm Warning	OUN	Hughes, Seminole	46 min
May 4, 12:45 AM CDT	Tornado Warning	FWD	Denton, Wise	30 min
May 4, 1:01 AM CDT	Tornado Warning	TSA	Osage, Pawnee	44 min
May 4, 1:24 AM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Wagoner	51 min
May 4, 1:42 AM CDT	Tornado Warning	TSA	Osage	33 min
May 4, 1:47 AM CDT	Tornado Warning	OUN	Hughes	28 min
May 4, 2:04 AM CDT	Tornado Warning	TSA	Okfuskee	41 min
May 4, 2:36 AM CDT	Tornado Warning	TSA	Okfuskee, Okmulgee	39 min
May 4, 2:38 AM CDT	Tornado Warning	TSA	Wagoner	52 min
May 4, 4:54 AM CDT	Severe Thunderstorm Warning	FWD	Cooke	36 min

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 3.8 hours before the alert went out and 147 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, 7:30 PM CDT	Tornado Watch	SPC	Love, Marshall	5 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 Oklahoma, 1999 Tornado Watches in Texas, 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.