Alert archive / Arkansas / Severe Thunderstorm Watches in 2023

Severe Thunderstorm Watch 331

June 17, 202340 counties in Arkansas; Cherokee County, Crawford County, Kansas; 19 counties in Missouri

The Storm Prediction Center issued this severe thunderstorm watch at Jun 17, 2023, 11:09 PM CDT for 40 counties in Arkansas; Cherokee County, Crawford County, Kansas; 19 counties in Missouri. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jun 17, 2023, 11:09 PM CDT (04:09 UTC)
Expired: Jun 18, 2023, 5:15 AM CDT
In force: 6 hr
Issued by: the Storm Prediction Center
Largest hail expected: 1.5 in
Strongest gust expected: 70 kt

All 61 counties

Arkansas County, AR, Benton County, AR, Boone County, AR, Bradley County, AR, Calhoun County, AR, Carroll County, AR, Clark County, AR, Cleveland County, AR, Conway County, AR, Crawford County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Faulkner County, AR, Franklin County, AR, Garland County, AR, Grant County, AR, Hot Spring County, AR, Jefferson County, AR, Johnson County, AR, Lincoln County, AR, Logan County, AR, Lonoke County, AR, Madison County, AR, Marion County, AR, Montgomery County, AR, Newton County, AR, Ouachita County, AR, Perry County, AR, Pike County, AR, Polk County, AR, Pope County, AR, Pulaski County, AR, Saline County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Van Buren County, AR, Washington County, AR, Yell County, AR, Cherokee County, KS, Crawford County, KS, Barry County, MO, Barton County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Douglas County, MO, Greene County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Ozark County, MO, Polk County, MO, Stone County, MO, Taney County, MO, Webster County, MO, Wright County, MO

The radar

The Little Rock radar (KLZK), 94 km from the middle of the area, began a volume at 04:11 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: 20%
One or more EF2 to EF5 tornadoes: 10%
Ten or more severe wind reports: 70%
One or more gusts of 65 knots or more: 50%
Ten or more severe hail reports: 10%
One or more hailstones of 2 inches or more: 10%
Six or more combined severe hail and wind reports: 80%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jun 18, 12:05 AM CDT	Severe Thunderstorm Warning Considerable damage threat	TSA	Crawford, Franklin, Sebastian	40 min
Jun 18, 12:42 AM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Madison, Sebastian, Washington	48 min
Jun 18, 12:43 AM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Pike, Polk	62 min
Jun 18, 1:00 AM CDT	Severe Thunderstorm Warning	LZK	Clark, Dallas, Pike	45 min
Jun 18, 1:05 AM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan, Pope, Yell	55 min
Jun 18, 1:10 AM CDT	Tornado Warning	LZK	Johnson, Logan, Pope	15 min
Jun 18, 1:14 AM CDT	Severe Thunderstorm Warning Destructive damage threat	TSA	Benton, Washington	61 min
Jun 18, 1:16 AM CDT	Severe Thunderstorm Warning Considerable damage threat	TSA	Crawford, Washington	59 min
Jun 18, 1:22 AM CDT	Severe Thunderstorm Warning	LZK	Conway, Dallas, Faulkner, Garland, Grant, Hot Spring and 4 more	38 min
Jun 18, 1:23 AM CDT	Severe Thunderstorm Warning Destructive damage threat	SGF	Barry, McDonald	52 min
Jun 18, 1:36 AM CDT	Severe Thunderstorm Warning	LZK	Bradley, Calhoun, Clark, Cleveland, Dallas, Drew and 4 more	39 min
Jun 18, 1:39 AM CDT	Severe Thunderstorm Warning Considerable damage threat	LZK	Clark, Hot Spring, Montgomery, Ouachita, Pike	66 min
Jun 18, 1:43 AM CDT	Severe Thunderstorm Warning Considerable damage threat	LZK	Conway, Faulkner, Johnson, Newton, Perry, Pope and 2 more	62 min
Jun 18, 1:50 AM CDT	Severe Thunderstorm Warning	SGF	Cherokee, Crawford	55 min
Jun 18, 1:54 AM CDT	Severe Thunderstorm Warning	LZK	Faulkner, Grant, Jefferson, Lonoke, Perry, Pulaski and 1 more	51 min
Jun 18, 2:06 AM CDT	Severe Thunderstorm Warning Considerable damage threat	SGF	Barry, Jasper, Lawrence, McDonald, Newton	54 min
Jun 18, 2:07 AM CDT	Severe Thunderstorm Warning Considerable damage threat	TSA	Benton, Carroll, Madison, Washington	53 min
Jun 18, 2:15 AM CDT	Severe Thunderstorm Warning Considerable damage threat	LZK	Bradley, Calhoun, Clark, Cleveland, Dallas, Grant and 1 more	60 min
Jun 18, 2:20 AM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Faulkner, Independence, Jackson, Stone, Van Buren and 1 more	55 min
Jun 18, 2:33 AM CDT	Severe Thunderstorm Warning	SGF	Christian, Stone, Taney	57 min
Jun 18, 2:46 AM CDT	Severe Thunderstorm Warning Considerable damage threat	SGF	Barry, Barton, Dade, Greene, Jasper, Lawrence and 2 more	59 min
Jun 18, 2:51 AM CDT	Severe Thunderstorm Warning Considerable damage threat	SGF	Barry, Jasper, Lawrence, Newton	39 min
Jun 18, 2:53 AM CDT	Severe Thunderstorm Warning Considerable damage threat	LZK	Bradley, Calhoun	52 min
Jun 18, 3:02 AM CDT	Severe Thunderstorm Warning Considerable damage threat	LZK	Arkansas, Bradley, Cleveland, Desha, Drew, Jefferson and 1 more	58 min
Jun 18, 3:27 AM CDT	Severe Thunderstorm Warning	SGF	Christian, Douglas, Ozark, Taney, Webster, Wright	63 min
Jun 18, 3:41 AM CDT	Severe Thunderstorm Warning	SGF	Cedar, Dade, Dallas, Greene, Polk	49 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 00:00Z, 4.2 hours before the alert went out and 203 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: 1261 J/kg
Mixed-layer CIN: -65 J/kg
Mixed-layer LCL: 1673 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 73 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 17, 7:58 PM CDT	Mesoscale Discussion	SPC	Howard, Little River, Polk, Sevier	2 hr
Jun 17, 9:57 PM CDT	Severe Thunderstorm Watch	SPC	Hempstead, Howard, Lafayette, Little River, Miller, Nevada and 1 more	4 hr
Jun 17, 10:15 PM CDT	Mesoscale Discussion	SPC	Benton, Carroll, Crawford, Franklin, Howard, Johnson and 11 more	2 hr
Jun 18, 2:01 AM CDT	Mesoscale Discussion	SPC	Arkansas, Ashley, Baxter, Benton, Boone, Bradley and 49 more	119 min
Jun 18, 2:27 AM CDT	Severe Thunderstorm Watch	SPC	Ashley, Baxter, Chicot, Cleburne, Craighead, Crittenden and 19 more	10 hr
Jun 18, 7:08 AM CDT	Mesoscale Discussion	SPC	Hempstead, Lafayette, Little River, Miller	97 min
Jun 18, 3:12 PM CDT	Mesoscale Discussion	SPC	Little River, Miller	93 min
Jun 18, 5:31 PM CDT	Mesoscale Discussion	SPC	Arkansas, Craighead, Crittenden, Cross, Desha, Drew and 10 more	119 min
Jun 18, 6:11 PM CDT	Mesoscale Discussion	SPC	Ashley, Chicot	64 min
Jun 18, 6:52 PM CDT	Tornado Watch	SPC	Ashley, Chicot, Craighead, Crittenden, Cross, Lee and 4 more	6 hr
Jun 17, 7:32 PM CDT	Mesoscale Discussion	SPC	Barber, Butler, Chautauqua, Clark, Comanche, Cowley and 16 more	118 min
Jun 17, 8:21 PM CDT	Severe Thunderstorm Watch	SPC	Butler, Chautauqua, Cowley, Elk, Greenwood, Harper and 9 more	6 hr
Jun 17, 8:28 PM CDT	Mesoscale Discussion	SPC	Edwards, Ellis, Ford, Gove, Graham, Hodgeman and 9 more	2 hr

Nearby

Severe Thunderstorm Watches in Arkansas, 2023 Severe Thunderstorm Watches in Missouri, 2023 Severe Thunderstorm Watches in Kansas, 2023 Every severe thunderstorm watch in 2023

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.