Alert archive / Oklahoma / Tornado Watches in 1999

Tornado Watch 277

May 16, 199915 counties in Kansas; 20 counties in Oklahoma; 4 counties in Texas

The Storm Prediction Center issued this tornado watch at May 16, 1999, 6:30 PM CDT for 15 counties in Kansas; 20 counties in Oklahoma; 4 counties in Texas. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: May 16, 1999, 6:30 PM CDT (23:30 UTC)
Expired: May 17, 1999, 1:00 AM CDT
In force: 7 hr
Issued by: the Storm Prediction Center

All 39 counties

Barber County, KS, Butler County, KS, Chautauqua County, KS, Comanche County, KS, Cowley County, KS, Elk County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Pratt County, KS, Reno County, KS, Sedgwick County, KS, Sumner County, KS, Woodson County, KS, Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grant County, OK, Harper County, OK, Kay County, OK, Kingfisher County, OK, Logan County, OK, Major County, OK, Noble County, OK, Roger Mills County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Gray County, TX, Hemphill County, TX, Lipscomb County, TX, Wheeler County, TX

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
May 16, 7:06 PM CDT	Severe Thunderstorm Warning	DDC	Barber	64 min
May 16, 7:07 PM CDT	Tornado Warning	ICT	Kingman	53 min
May 16, 7:15 PM CDT	Severe Thunderstorm Warning	OUN	Dewey, Major, Woods, Woodward	45 min
May 16, 7:20 PM CDT	Severe Thunderstorm Warning	OUN	Beckham	55 min
May 16, 7:38 PM CDT	Severe Thunderstorm Warning	OUN	Roger Mills	52 min
May 16, 7:40 PM CDT	Severe Thunderstorm Warning	ICT	Sedgwick	65 min
May 16, 7:55 PM CDT	Severe Thunderstorm Warning	ICT	Kingman, Reno	65 min
May 16, 8:08 PM CDT	Severe Thunderstorm Warning	DDC	Barber	62 min
May 16, 8:15 PM CDT	Severe Thunderstorm Warning	OUN	Beckham	45 min
May 16, 8:25 PM CDT	Severe Thunderstorm Warning	OUN	Woods, Woodward	50 min
May 16, 8:30 PM CDT	Severe Thunderstorm Warning	OUN	Custer, Dewey, Roger Mills	45 min
May 16, 8:40 PM CDT	Severe Thunderstorm Warning	ICT	Sedgwick	65 min
May 16, 8:41 PM CDT	Severe Thunderstorm Warning	OUN	Washita	49 min
May 16, 8:52 PM CDT	Flash Flood Warning	DDC	Barber	2 hr
May 16, 8:55 PM CDT	Severe Thunderstorm Warning	ICT	Kingman	65 min
May 16, 9:03 PM CDT	Severe Thunderstorm Warning	DDC	Comanche	47 min
May 16, 9:10 PM CDT	Severe Thunderstorm Warning	OUN	Custer	50 min
May 16, 9:14 PM CDT	Tornado Warning	OUN	Woods	31 min
May 16, 9:21 PM CDT	Severe Thunderstorm Warning	OUN	Blaine	39 min
May 16, 9:22 PM CDT	Severe Thunderstorm Warning	OUN	Woodward	68 min
May 16, 9:25 PM CDT	Severe Thunderstorm Warning	DDC	Barber	65 min
May 16, 9:35 PM CDT	Severe Thunderstorm Warning	OUN	Woods	40 min
May 16, 9:57 PM CDT	Severe Thunderstorm Warning	ICT	Kingman	63 min
May 16, 10:02 PM CDT	Severe Thunderstorm Warning	DDC	Comanche	63 min
May 16, 10:07 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo, Canadian, Grady	53 min
May 16, 10:07 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Kingfisher, Major	53 min
May 16, 10:09 PM CDT	Severe Thunderstorm Warning	ICT	Sedgwick	66 min
May 16, 10:45 PM CDT	Flash Flood Warning	ICT	Sedgwick	3 hr
May 16, 11:15 PM CDT	Severe Thunderstorm Warning	OUN	Kay, Noble	45 min
May 17, 12:33 AM CDT	Flash Flood Warning	ICT	Sedgwick	6 hr

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 11.5 hours before the alert went out and 181 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: 754 J/kg
Mixed-layer CIN: -393 J/kg
Mixed-layer LCL: 1828 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -12 m²/s²
0-3 km storm-relative helicity: -14 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
May 15, 9:45 PM CDT	Severe Thunderstorm Watch	SPC	Brown, Clay, Cloud, Jackson, Jewell, Marshall and 8 more	6 hr
May 16, 4:00 PM CDT	Tornado Watch	SPC	Anderson, Atchison, Brown, Chase, Clay, Cloud and 28 more	6 hr
May 16, 4:15 PM CDT	Tornado Watch	SPC	Comanche, Cotton, Greer, Harmon, Jackson, Kiowa and 1 more	6 hr

Nearby

Tornado Watches in Oklahoma, 1999 Tornado Watches in Kansas, 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.