Alert archive / Arkansas / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 390

May 16, 200316 counties in Arkansas; 4 counties in Missouri; 10 counties in Oklahoma

The Storm Prediction Center issued this severe thunderstorm watch at May 16, 2003, 4:25 AM CDT for 16 counties in Arkansas; 4 counties in Missouri; 10 counties in Oklahoma. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: May 16, 2003, 4:25 AM CDT (09:25 UTC)
Expired: May 16, 2003, 9:00 AM CDT
In force: 5 hr
Issued by: the Storm Prediction Center

All 30 counties

Benton County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Howard County, AR, Johnson County, AR, Logan County, AR, Madison County, AR, Montgomery County, AR, Pike County, AR, Polk County, AR, Scott County, AR, Sebastian County, AR, Sevier County, AR, Washington County, AR, Yell County, AR, Barry County, MO, McDonald County, MO, Newton County, MO, Stone County, MO, Adair County, OK, Cherokee County, OK, Craig County, OK, Delaware County, OK, Haskell County, OK, LeFlore County, OK, Mayes County, OK, McCurtain County, OK, Ottawa County, OK, Sequoyah County, OK

The radar

The Western Arkansas radar (KSRX), 56 km from the middle of the area, began a volume at 09:28 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.

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
May 16, 4:28 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Mayes, Ottawa	77 min
May 16, 4:44 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Haskell, LeFlore, McIntosh, Muskogee and 1 more	91 min
May 16, 5:28 AM CDT	Severe Thunderstorm Warning	TSA	Benton, Crawford, Sebastian, Washington	62 min
May 16, 5:29 AM CDT	Severe Thunderstorm Warning	SGF	McDonald, Newton	46 min
May 16, 5:43 AM CDT	Severe Thunderstorm Warning	TSA	Delaware	32 min
May 16, 5:56 AM CDT	Severe Thunderstorm Warning	TSA	Carroll, Franklin, Madison	79 min
May 16, 6:13 AM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan	42 min
May 16, 6:13 AM CDT	Severe Thunderstorm Warning	SGF	Barry, McDonald	77 min
May 16, 6:13 AM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Haskell, Latimer, LeFlore, McIntosh, Muskogee and 2 more	62 min
May 16, 6:24 AM CDT	Severe Thunderstorm Warning	SGF	Newton	51 min
May 16, 6:32 AM CDT	Tornado Warning	SGF	Barry	58 min
May 16, 6:43 AM CDT	Severe Thunderstorm Warning	SGF	Stone	62 min
May 16, 6:45 AM CDT	Severe Thunderstorm Warning	TSA	Crawford, Sebastian	75 min
May 16, 6:52 AM CDT	Severe Thunderstorm Warning	TSA	Carroll, Franklin, Madison	23 min
May 16, 7:00 AM CDT	Flash Flood Warning	SGF	Barry, McDonald, Newton	6 hr

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 00:00Z, 9.4 hours before the alert went out and 131 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: 341 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 1169 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 109 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.9

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 16, 4:04 AM CDT	Mesoscale Discussion	SPC	Benton, Boone, Carroll, Clark, Crawford, Franklin and 17 more	56 min
May 16, 5:47 AM CDT	Mesoscale Discussion	SPC	Benton, Carroll, Crawford, Franklin, Howard, Johnson and 10 more	58 min
May 16, 6:35 AM CDT	Mesoscale Discussion	SPC	Baxter, Benton, Boone, Carroll, Clark, Cleburne and 36 more	25 min
May 16, 6:50 AM CDT	Severe Thunderstorm Watch	SPC	Arkansas, Baxter, Boone, Cleburne, Cleveland, Conway and 27 more	4 hr
May 16, 7:42 AM CDT	Mesoscale Discussion	SPC	Arkansas, Baxter, Boone, Cleburne, Cleveland, Conway and 26 more	63 min
May 16, 9:16 AM CDT	Mesoscale Discussion	SPC	Howard, Little River, Polk, Sevier	119 min
May 16, 9:39 AM CDT	Mesoscale Discussion	SPC	Clay, Crittenden, Mississippi	96 min
May 16, 12:09 PM CDT	Mesoscale Discussion	SPC	Bradley, Calhoun, Clark, Cleveland, Columbia, Conway and 28 more	3 hr
May 16, 12:45 PM CDT	Tornado Watch	SPC	Bradley, Calhoun, Clark, Cleburne, Cleveland, Columbia and 33 more	5 hr
May 16, 2:12 PM CDT	Mesoscale Discussion	SPC	Arkansas, Baxter, Boone, Clark, Clay, Cleburne and 44 more	93 min
May 16, 2:50 PM CDT	Tornado Watch	SPC	Arkansas, Ashley, Chicot, Clay, Craighead, Crittenden and 16 more	7 hr
May 16, 3:18 PM CDT	Mesoscale Discussion	SPC	Clark, Garland, Hempstead, Hot Spring, Howard, Little River and 11 more	117 min
May 16, 3:34 PM CDT	Mesoscale Discussion	SPC	Baxter, Benton, Boone, Carroll, Fulton, Izard and 6 more	116 min
May 16, 3:55 PM CDT	Tornado Watch	SPC	Baxter, Benton, Boone, Carroll, Fulton, Independence and 8 more	6 hr
May 16, 5:06 PM CDT	Mesoscale Discussion	SPC	Bradley, Calhoun, Clark, Cleburne, Cleveland, Columbia and 33 more	54 min
May 16, 5:45 PM CDT	Tornado Watch	SPC	Arkansas, Bradley, Calhoun, Clark, Cleburne, Cleveland and 40 more	6 hr
May 16, 5:59 PM CDT	Mesoscale Discussion	SPC	Arkansas, Ashley, Chicot, Clay, Craighead, Crittenden and 13 more	91 min
May 16, 6:39 PM CDT	Mesoscale Discussion	SPC	Baxter, Benton, Boone, Carroll, Clay, Cleburne and 20 more	2 hr
May 15, 8:38 PM CDT	Mesoscale Discussion	SPC	Cotton, Jackson, Jefferson, Stephens, Tillman	2 hr
May 15, 10:25 PM CDT	Tornado Watch	SPC	Cotton, Jackson, Jefferson, Stephens, Tillman	6 hr
May 15, 10:30 PM CDT	Mesoscale Discussion	SPC	Alfalfa, Beaver, Beckham, Blaine, Custer, Dewey and 8 more	2 hr
May 15, 11:32 PM CDT	Mesoscale Discussion	SPC	Cimarron, Texas	118 min
May 15, 11:35 PM CDT	Tornado Watch	SPC	Alfalfa, Beckham, Blaine, Caddo, Canadian, Comanche and 13 more	4 hr
May 15, 11:49 PM CDT	Mesoscale Discussion	SPC	Cotton, Jackson, Jefferson, Stephens, Tillman	86 min
May 16, 1:20 AM CDT	Tornado Watch	SPC	Atoka, Bryan, Carter, Choctaw, Cleveland, Coal and 33 more	6 hr
May 16, 1:22 AM CDT	Mesoscale Discussion	SPC	Alfalfa, Blaine, Caddo, Canadian, Cleveland, Custer and 16 more	53 min
May 16, 2:33 AM CDT	Mesoscale Discussion	SPC	Atoka, Bryan, Carter, Choctaw, Cleveland, Coal and 16 more	57 min
May 16, 3:07 AM CDT	Mesoscale Discussion	SPC	Atoka, Bryan, Carter, Choctaw, Cleveland, Coal and 33 more	53 min
May 16, 5:22 AM CDT	Mesoscale Discussion	SPC	Atoka, Bryan, Choctaw, Coal, Johnston, Latimer and 10 more	53 min
May 16, 11:35 AM CDT	Mesoscale Discussion	SPC	Caddo, Canadian, Cleveland, Creek, Garfield, Grady and 20 more	2 hr
May 16, 12:00 PM CDT	Tornado Watch	SPC	Adair, Canadian, Cherokee, Craig, Creek, Delaware and 23 more	6 hr
May 16, 1:46 PM CDT	Mesoscale Discussion	SPC	Cherokee, Creek, Lincoln, Logan, McIntosh, Mayes and 12 more	89 min

Nearby

Severe Thunderstorm Watches in Arkansas, 2003 Severe Thunderstorm Watches in Oklahoma, 2003 Severe Thunderstorm Watches in Missouri, 2003 Every severe thunderstorm watch in 2003

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.