Alert archive / Oklahoma / Tornado Watches in 2024

Tornado Watch 208

May 8, 202421 counties in Arkansas; 25 counties in Oklahoma

The Storm Prediction Center issued this tornado watch at May 8, 2024, 2:18 PM CDT for 21 counties in Arkansas; 25 counties in Oklahoma. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: May 8, 2024, 2:18 PM CDT (19:18 UTC)
Expired: May 8, 2024, 10:00 PM CDT
In force: 8 hr
Issued by: the Storm Prediction Center
Largest hail expected: 4 in
Strongest gust expected: 65 kt

All 46 counties

Benton County, AR, Boone County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Howard County, AR, Johnson County, AR, Little River County, AR, Logan County, AR, Madison County, AR, Marion County, AR, Montgomery County, AR, Newton County, AR, Polk County, AR, Pope County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Sevier County, AR, Washington County, AR, Yell County, AR, Adair County, OK, Atoka County, OK, Bryan County, OK, Cherokee County, OK, Choctaw County, OK, Coal County, OK, Craig County, OK, Delaware County, OK, Haskell County, OK, Hughes County, OK, Latimer County, OK, LeFlore County, OK, Mayes County, OK, McCurtain County, OK, McIntosh County, OK, Muskogee County, OK, Okfuskee County, OK, Okmulgee County, OK, Ottawa County, OK, Pittsburg County, OK, Pushmataha County, OK, Rogers County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK

The radar

The Western Arkansas radar (KSRX), 45 km from the middle of the area, began a volume at 19:18 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes: 60%
One or more EF2 to EF5 tornadoes: 50%
Ten or more severe wind reports: 60%
One or more gusts of 65 knots or more: 60%
Ten or more severe hail reports: 70%
One or more hailstones of 2 inches or more: 60%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
May 8, 2:27 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Ottawa	63 min
May 8, 3:14 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Ottawa	46 min
May 8, 3:32 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Mayes, Rogers	43 min
May 8, 3:59 PM CDT	Severe Thunderstorm Warning	TSA	Ottawa	18 min
May 8, 4:08 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Ottawa	52 min
May 8, 4:27 PM CDT	Severe Thunderstorm Warning	TSA	Delaware, Mayes	48 min
May 8, 6:21 PM CDT	Severe Thunderstorm Warning	TSA	Benton, Washington	39 min
May 8, 6:23 PM CDT	Severe Thunderstorm Warning	OUN	Bryan	52 min
May 8, 6:28 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw	47 min
May 8, 6:36 PM CDT	Severe Thunderstorm Warning	TSA	Benton, Carroll, Madison	19 min
May 8, 6:57 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw	48 min
May 8, 7:01 PM CDT	Severe Thunderstorm Warning	TSA	Benton, Washington	44 min
May 8, 7:04 PM CDT	Severe Thunderstorm Warning	TSA	Pushmataha	41 min
May 8, 7:10 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Muskogee, Sequoyah	50 min
May 8, 7:31 PM CDT	Severe Thunderstorm Warning	OUN	Bryan	29 min
May 8, 7:35 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, LeFlore, Sequoyah	40 min
May 8, 7:36 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg, Pushmataha	39 min
May 8, 7:37 PM CDT	Severe Thunderstorm Warning	TSA	Carroll, Madison, Washington	53 min
May 8, 7:41 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw	49 min
May 8, 7:50 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Sequoyah	25 min
May 8, 7:55 PM CDT	Severe Thunderstorm Warning	TSA	Carroll	6 min
May 8, 8:06 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	McCurtain	54 min
May 8, 8:06 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw	28 min
May 8, 8:09 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore	36 min
May 8, 8:11 PM CDT	Severe Thunderstorm Warning	TSA	Sebastian	49 min
May 8, 8:20 PM CDT	Tornado Warning	SHV	McCurtain	40 min
May 8, 8:37 PM CDT	Severe Thunderstorm Warning	LZK	Baxter, Boone, Marion	18 min
May 8, 8:57 PM CDT	Severe Thunderstorm Warning	TSA	Sebastian	48 min
May 8, 8:57 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	McCurtain	48 min
May 8, 9:32 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Little River, Sevier	43 min
May 8, 9:33 PM CDT	Flash Flood Warning	TSA	LeFlore	3 hr
May 8, 9:40 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan, Pope, Scott, Yell	28 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 7.3 hours before the alert went out and 141 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: 727 J/kg
Mixed-layer CIN: -200 J/kg
Mixed-layer LCL: 1295 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 77 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 7, 11:07 PM CDT	Mesoscale Discussion	SPC	Clark, Cleburne, Craighead, Cross, Dallas, Faulkner and 28 more	113 min
May 8, 12:56 AM CDT	Tornado Watch	SPC	Arkansas, Clark, Clay, Cleburne, Craighead, Crittenden and 29 more	5 hr
May 8, 3:23 AM CDT	Mesoscale Discussion	SPC	Arkansas, Bradley, Calhoun, Cleveland, Crittenden, Cross and 15 more	2 hr
May 8, 11:01 AM CDT	Mesoscale Discussion	SPC	Baxter, Benton, Boone, Carroll, Madison, Marion and 1 more	89 min
May 8, 1:16 PM CDT	Mesoscale Discussion	SPC	Benton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more	2 hr
May 8, 3:27 PM CDT	Tornado Watch	SPC	Hempstead, Howard, Lafayette, Little River, Miller, Nevada and 1 more	9 hr
May 8, 3:50 PM CDT	Mesoscale Discussion	SPC	Benton, Boone, Carroll, Crawford, Franklin, Madison and 2 more	115 min
May 8, 5:28 PM CDT	Mesoscale Discussion	SPC	Crawford, Franklin, Sebastian, Washington	2 hr
May 8, 1:26 AM CDT	Mesoscale Discussion	SPC	Scott, Stoddard	2 hr
May 8, 1:57 AM CDT	Tornado Watch	SPC	Mississippi, New Madrid, Scott, Stoddard	4 hr
May 8, 6:14 AM CDT	Mesoscale Discussion	SPC	Bates, Benton, Camden, Cass, Cole, Cooper and 11 more	2 hr
May 8, 6:50 AM CDT	Severe Thunderstorm Watch	SPC	Andrew, Barton, Bates, Benton, Boone, Buchanan and 39 more	10 hr
May 8, 8:58 AM CDT	Mesoscale Discussion	SPC	Benton, Bollinger, Butler, Camden, Cape Girardeau, Carter and 44 more	92 min
May 8, 10:29 AM CDT	Tornado Watch	SPC	Bollinger, Butler, Cape Girardeau, Carter, Crawford, Franklin and 15 more	8 hr
May 8, 11:28 AM CDT	Mesoscale Discussion	SPC	Bollinger, Cape Girardeau, Crawford, Franklin, Iron, Jefferson and 5 more	92 min
May 8, 11:35 AM CDT	Mesoscale Discussion	SPC	Bollinger, Cape Girardeau, Crawford, Franklin, Iron, Jefferson and 5 more	85 min
May 8, 11:59 AM CDT	Tornado Watch	SPC	Barry, Barton, Camden, Cedar, Christian, Dade and 24 more	7 hr
May 8, 1:50 PM CDT	Mesoscale Discussion	SPC	Bollinger, Cape Girardeau, Iron, Madison, Mississippi, New Madrid and 6 more	55 min
May 8, 3:41 PM CDT	Mesoscale Discussion	SPC	Bollinger, Butler, Cape Girardeau, Madison, Mississippi, New Madrid and 4 more	94 min
May 8, 4:42 PM CDT	Tornado Watch	SPC	Barry, Bollinger, Butler, Cape Girardeau, Carter, Christian and 32 more	9 hr
May 8, 5:59 PM CDT	Mesoscale Discussion	SPC	Barry, Christian, Douglas, Howell, McDonald, Stone and 4 more	91 min

Nearby

Tornado Watches in Oklahoma, 2024 Tornado Watches in Arkansas, 2024 Every tornado watch in 2024

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.