Alert archive / Missouri / Severe Thunderstorm Watches in 2008

Severe Thunderstorm Watch 409

June 1, 200820 counties in Kansas; 39 counties in Missouri; 11 counties in Oklahoma

The Storm Prediction Center issued this severe thunderstorm watch at Jun 1, 2008, 1:04 AM CDT for 20 counties in Kansas; 39 counties in Missouri; 11 counties in Oklahoma. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: Jun 1, 2008, 1:04 AM CDT (06:04 UTC)
Expired: Jun 1, 2008, 8:00 AM CDT
In force: 7 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2.5 in
Strongest gust expected: 60 kt

All 70 counties

Allen County, KS, Bourbon County, KS, Butler County, KS, Chautauqua County, KS, Cherokee County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Reno County, KS, Sedgwick County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS, Barry County, MO, Barton County, MO, Bollinger County, MO, Butler County, MO, Camden County, MO, Carter County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Greene County, MO, Hickory County, MO, Howell County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, McDonald County, MO, Mississippi County, MO, New Madrid County, MO, Newton County, MO, Oregon County, MO, Ozark County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Ripley County, MO, Scott County, MO, Shannon County, MO, St. Clair County, MO, Stoddard County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Wayne County, MO, Webster County, MO, Wright County, MO, Alfalfa County, OK, Craig County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Noble County, OK, Nowata County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Washington County, OK

The radar

The Springfield radar (KSGF), 135 km from the middle of the area, began a volume at 06:07 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: 5%
Ten or more severe wind reports: 30%
One or more gusts of 65 knots or more: 10%
Ten or more severe hail reports: 60%
One or more hailstones of 2 inches or more: 30%
Six or more combined severe hail and wind reports: 95%

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 1, 1:18 AM CDT	Severe Thunderstorm Warning	SGF	Barton, Dade, Jasper, Lawrence	57 min
Jun 1, 1:23 AM CDT	Severe Thunderstorm Warning	ICT	Neosho	41 min
Jun 1, 1:39 AM CDT	Severe Thunderstorm Warning	SGF	Douglas, Howell, Ozark	66 min
Jun 1, 1:54 AM CDT	Tornado Warning	SGF	Lawrence	48 min
Jun 1, 2:07 AM CDT	Severe Thunderstorm Warning	SGF	Lawrence	53 min
Jun 1, 2:14 AM CDT	Severe Thunderstorm Warning	SGF	Dade	29 min
Jun 1, 2:29 AM CDT	Severe Thunderstorm Warning	SGF	Barry, Christian, Greene, Stone	48 min
Jun 1, 2:36 AM CDT	Flash Flood Warning	ICT	Neosho, Wilson	116 min
Jun 1, 3:26 AM CDT	Severe Thunderstorm Warning	TSA	Craig	34 min
Jun 1, 4:21 AM CDT	Severe Thunderstorm Warning	SGF	Barry, Stone, Taney	39 min
Jun 1, 5:00 AM CDT	Severe Thunderstorm Warning	SGF	Stone, Taney	45 min
Jun 1, 5:37 AM CDT	Severe Thunderstorm Warning	ICT	Kingman	63 min
Jun 1, 6:06 AM CDT	Severe Thunderstorm Warning	OUN	Grant, Kay	39 min
Jun 1, 6:07 AM CDT	Severe Thunderstorm Warning	ICT	Sumner	53 min
Jun 1, 6:27 AM CDT	Severe Thunderstorm Warning	ICT	Harper	63 min
Jun 1, 6:33 AM CDT	Severe Thunderstorm Warning	ICT	Kingman	19 min
Jun 1, 6:48 AM CDT	Severe Thunderstorm Warning	ICT	Cowley	57 min
Jun 1, 6:56 AM CDT	Severe Thunderstorm Warning	ICT	Sumner	64 min
Jun 1, 7:07 AM CDT	Severe Thunderstorm Warning	TSA	Osage	53 min
Jun 1, 7:08 AM CDT	Severe Thunderstorm Warning	OUN	Kay	52 min
Jun 1, 7:23 AM CDT	Severe Thunderstorm Warning	ICT	Harper	50 min
Jun 1, 7:40 AM CDT	Severe Thunderstorm Warning	OUN	Noble	50 min
Jun 1, 7:42 AM CDT	Severe Thunderstorm Warning	ICT	Cowley	32 min
Jun 1, 7:51 AM CDT	Severe Thunderstorm Warning	ICT	Sumner	23 min
Jun 1, 7:54 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	66 min
Jun 1, 7:58 AM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Woods	47 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, 6.1 hours before the alert went out and 111 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: 16 J/kg
Mixed-layer CIN: -289 J/kg
Mixed-layer LCL: 1712 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 330 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 31, 7:43 PM CDT	Mesoscale Discussion	SPC	Baxter, Benton, Boone, Carroll, Johnson, Madison and 4 more	32 min
May 31, 10:27 PM CDT	Mesoscale Discussion	SPC	Clay, Mississippi	63 min
Jun 1, 2:34 AM CDT	Mesoscale Discussion	SPC	Baxter, Benton, Boone, Carroll, Clay, Fulton and 6 more	116 min
Jun 1, 6:17 AM CDT	Mesoscale Discussion	SPC	Baxter, Benton, Boone, Carroll, Cleburne, Crawford and 14 more	88 min
Jun 1, 7:58 AM CDT	Mesoscale Discussion	SPC	Benton, Washington	3 hr
Jun 1, 8:36 AM CDT	Severe Thunderstorm Watch	SPC	Benton, Boone, Carroll, Crawford, Franklin, Johnson and 8 more	6 hr
Jun 1, 10:18 AM CDT	Mesoscale Discussion	SPC	Conway, Crawford, Franklin, Garland, Johnson, Logan and 6 more	57 min
Jun 1, 11:45 AM CDT	Severe Thunderstorm Watch	SPC	Arkansas, Baxter, Bradley, Calhoun, Clark, Cleburne and 32 more	6 hr
Jun 1, 1:21 PM CDT	Mesoscale Discussion	SPC	Arkansas, Clark, Cleveland, Conway, Dallas, Desha and 22 more	54 min
Jun 1, 3:04 PM CDT	Severe Thunderstorm Watch	SPC	Ashley, Chicot, Crittenden, Cross, Lee, Phillips and 1 more	6 hr
May 31, 9:00 PM CDT	Tornado Watch	SPC	Bourbon, Cherokee, Crawford	4 hr
May 31, 11:22 PM CDT	Mesoscale Discussion	SPC	Chautauqua, Cherokee, Cowley, Crawford, Elk, Harper and 5 more	53 min
Jun 1, 1:27 AM CDT	Mesoscale Discussion	SPC	Finney, Grant, Gray, Greeley, Hamilton, Haskell and 7 more	2 hr
Jun 1, 2:09 AM CDT	Severe Thunderstorm Watch	SPC	Finney, Grant, Gray, Greeley, Hamilton, Haskell and 9 more	3 hr
Jun 1, 4:58 AM CDT	Mesoscale Discussion	SPC	Barber, Clark, Comanche, Edwards, Finney, Ford and 12 more	2 hr
Jun 1, 5:18 AM CDT	Severe Thunderstorm Watch	SPC	Allen, Barber, Barton, Butler, Chautauqua, Clark and 37 more	5 hr
Jun 1, 7:26 AM CDT	Mesoscale Discussion	SPC	Barber, Chautauqua, Comanche, Cowley, Elk, Harper and 7 more	94 min
Jun 1, 6:28 PM CDT	Mesoscale Discussion	SPC	Alfalfa, Blaine, Caddo, Canadian, Cleveland, Coal and 25 more	92 min

Nearby

Severe Thunderstorm Watches in Missouri, 2008 Severe Thunderstorm Watches in Kansas, 2008 Severe Thunderstorm Watches in Oklahoma, 2008 Every severe thunderstorm watch in 2008

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.