Alert archive / Missouri / Tornado Watches in 2009

Tornado Watch 357

June 9, 2009Bourbon County, Cherokee County, Crawford County, Kansas; 34 counties in Missouri

The Storm Prediction Center issued this tornado watch at Jun 9, 2009, 1:31 PM CDT for Bourbon County, Cherokee County, Crawford County, Kansas; 34 counties in Missouri. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: Jun 9, 2009, 1:31 PM CDT (18:31 UTC)
Expired: Jun 9, 2009, 10:00 PM CDT
In force: 8 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2.5 in
Strongest gust expected: 60 kt

All 37 counties

Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Barry County, MO, Barton County, MO, Benton County, MO, Camden 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, Maries County, MO, McDonald County, MO, Miller County, MO, Morgan County, MO, Newton County, MO, Oregon County, MO, Ozark County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Shannon County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 23 km from the middle of the area, began a volume at 18:31 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: 40%
Ten or more severe wind reports: 60%
One or more gusts of 65 knots or more: 40%
Ten or more severe hail reports: 80%
One or more hailstones of 2 inches or more: 60%
Six or more combined severe hail and wind reports: 90%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jun 9, 1:42 PM CDT	Tornado Warning	SGF	Laclede	48 min
Jun 9, 1:51 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Shannon, Texas	54 min
Jun 9, 2:05 PM CDT	Tornado Warning	SGF	Bourbon, Crawford	40 min
Jun 9, 2:10 PM CDT	Tornado Warning	SGF	Laclede, Pulaski	35 min
Jun 9, 2:12 PM CDT	Tornado Warning	SGF	Dent, Shannon	48 min
Jun 9, 2:22 PM CDT	Tornado Warning	SGF	Camden, Laclede, Pulaski	38 min
Jun 9, 2:28 PM CDT	Severe Thunderstorm Warning	SGF	Benton, St. Clair	47 min
Jun 9, 2:30 PM CDT	Severe Thunderstorm Warning	SGF	Benton, Morgan	45 min
Jun 9, 2:36 PM CDT	Tornado Warning	SGF	Bourbon, Crawford	39 min
Jun 9, 2:44 PM CDT	Flash Flood Warning	SGF	Bourbon	6 hr
Jun 9, 2:46 PM CDT	Severe Thunderstorm Warning	SGF	Vernon	28 min
Jun 9, 2:46 PM CDT	Severe Thunderstorm Warning	SGF	Phelps, Pulaski	44 min
Jun 9, 2:50 PM CDT	Tornado Warning	SGF	Vernon	24 min
Jun 9, 2:52 PM CDT	Severe Thunderstorm Warning	SGF	Hickory, St. Clair	23 min
Jun 9, 2:54 PM CDT	Severe Thunderstorm Warning	SGF	Morgan	51 min
Jun 9, 2:58 PM CDT	Tornado Warning	SGF	Shannon	47 min
Jun 9, 3:02 PM CDT	Tornado Warning	SGF	Benton, Hickory, St. Clair	43 min
Jun 9, 3:06 PM CDT	Severe Thunderstorm Warning	SGF	Cedar, St. Clair, Vernon	54 min
Jun 9, 3:08 PM CDT	Flash Flood Warning	SGF	Shannon	6 hr
Jun 9, 3:08 PM CDT	Severe Thunderstorm Warning	SGF	Benton, Camden, Hickory, Laclede, Miller, Morgan	37 min
Jun 9, 3:12 PM CDT	Tornado Warning	SGF	Bourbon, Crawford	48 min
Jun 9, 3:24 PM CDT	Tornado Warning	SGF	Dent, Phelps	51 min
Jun 9, 3:25 PM CDT	Tornado Warning	SGF	Crawford	50 min
Jun 9, 3:35 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Dallas, Hickory, Laclede, Polk	55 min
Jun 9, 3:40 PM CDT	Tornado Warning	SGF	Cherokee, Crawford	50 min
Jun 9, 3:41 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Laclede, Miller	49 min
Jun 9, 3:41 PM CDT	Tornado Warning	SGF	Camden, Dallas, Hickory, Laclede	49 min
Jun 9, 3:43 PM CDT	Tornado Warning	SGF	Shannon	14 min
Jun 9, 3:56 PM CDT	Severe Thunderstorm Warning	SGF	Crawford	53 min
Jun 9, 3:56 PM CDT	Tornado Warning	SGF	Phelps, Pulaski, Texas	49 min
Jun 9, 3:57 PM CDT	Flash Flood Warning	SGF	Bourbon, Crawford	6 hr
Jun 9, 4:02 PM CDT	Tornado Warning	SGF	Barton	43 min
Jun 9, 4:05 PM CDT	Tornado Warning	SGF	Cherokee, Crawford	40 min
Jun 9, 4:26 PM CDT	Flash Flood Warning	SGF	Benton, Camden, Dallas, Hickory, Laclede, Morgan	6 hr
Jun 9, 4:27 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Laclede, Webster, Wright	63 min
Jun 9, 4:29 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Laclede, Pulaski	46 min
Jun 9, 4:36 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Phelps	24 min
Jun 9, 4:38 PM CDT	Tornado Warning	SGF	Dallas, Laclede	37 min
Jun 9, 4:39 PM CDT	Tornado Warning	SGF	Cherokee, Crawford	51 min
Jun 9, 4:41 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Shannon	48 min
Jun 9, 4:44 PM CDT	Tornado Warning	SGF	Barton, Dade, Jasper, Lawrence	46 min
Jun 9, 4:55 PM CDT	Tornado Warning	SGF	Laclede, Pulaski	32 min
Jun 9, 5:04 PM CDT	Tornado Warning	SGF	Laclede, Wright	26 min
Jun 9, 5:15 PM CDT	Flash Flood Warning	SGF	Cherokee	6 hr
Jun 9, 5:15 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Cedar, Dade	39 min
Jun 9, 5:20 PM CDT	Tornado Warning	SGF	Jasper, Newton	16 min
Jun 9, 5:22 PM CDT	Flash Flood Warning	SGF	Dent, Phelps, Pulaski, Texas	6 hr
Jun 9, 5:22 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Laclede, Texas, Webster, Wright	38 min
Jun 9, 5:24 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Phelps, Pulaski, Texas	32 min
Jun 9, 5:27 PM CDT	Severe Thunderstorm Warning	SGF	Cherokee, Crawford	34 min
Jun 9, 5:34 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Dade, Jasper, Lawrence	56 min
Jun 9, 5:48 PM CDT	Tornado Warning	SGF	Jasper, Newton	42 min
Jun 9, 5:59 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Shannon, Texas, Wright	61 min
Jun 9, 6:20 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Texas	55 min
Jun 9, 6:24 PM CDT	Tornado Warning	SGF	Dade, Jasper, Lawrence, Newton	12 min
Jun 9, 6:31 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Shannon, Texas	59 min
Jun 9, 6:40 PM CDT	Severe Thunderstorm Warning	SGF	Dade, Greene, Lawrence, Polk	40 min
Jun 9, 7:06 PM CDT	Flash Flood Warning	SGF	Shannon, Texas	4 hr
Jun 9, 7:21 PM CDT	Severe Thunderstorm Warning	SGF	Bourbon, Crawford	43 min
Jun 9, 7:23 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Oregon, Shannon	67 min
Jun 9, 7:39 PM CDT	Tornado Warning	SGF	Oregon	66 min
Jun 9, 8:05 PM CDT	Flash Flood Warning	SGF	Howell, Oregon, Shannon	5 hr
Jun 9, 8:13 PM CDT	Severe Thunderstorm Warning	SGF	Cherokee, Crawford	62 min
Jun 9, 8:34 PM CDT	Severe Thunderstorm Warning	SGF	Cherokee	56 min
Jun 9, 8:43 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Jasper	62 min
Jun 9, 8:49 PM CDT	Tornado Warning	SGF	Crawford	42 min
Jun 9, 8:58 PM CDT	Flash Flood Warning	SGF	Bourbon, Cherokee, Crawford	11 hr
Jun 9, 9:13 PM CDT	Flash Flood Warning	SGF	Benton, Camden, Dallas, Dent, Hickory, Howell and 8 more	11 hr
Jun 9, 9:14 PM CDT	Severe Thunderstorm Warning	SGF	Newton	61 min
Jun 9, 9:48 PM CDT	Severe Thunderstorm Warning	SGF	McDonald	57 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, 6.5 hours before the alert went out and 63 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: 1981 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 510 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 105 m²/s²
0-3 km storm-relative helicity: 144 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 9, 7:16 AM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Clay, Cloud, Dickinson, Douglas and 32 more	59 min
Jun 9, 8:40 AM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Chase, Clay, Cloud and 22 more	65 min
Jun 9, 9:02 AM CDT	Severe Thunderstorm Watch	SPC	Allen, Anderson, Atchison, Bourbon, Brown, Chase and 34 more	6 hr
Jun 9, 11:11 AM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Atchison, Bourbon, Brown, Butler and 38 more	94 min
Jun 9, 12:59 PM CDT	Mesoscale Discussion	SPC	Bourbon, Linn	91 min
Jun 9, 1:34 PM CDT	Mesoscale Discussion	SPC	Barber, Butler, Chautauqua, Cowley, Edwards, Elk and 15 more	86 min
Jun 9, 2:34 PM CDT	Tornado Watch	SPC	Allen, Barber, Butler, Chautauqua, Comanche, Cowley and 17 more	7 hr
Jun 9, 6:22 PM CDT	Mesoscale Discussion	SPC	Allen, Barber, Bourbon, Butler, Chautauqua, Cherokee and 23 more	53 min
Jun 8, 7:18 PM CDT	Mesoscale Discussion	SPC	Bollinger, Cape Girardeau, Carter, Howell, Iron, Madison and 11 more	57 min
Jun 8, 9:35 PM CDT	Mesoscale Discussion	SPC	Bollinger, Butler, Cape Girardeau, Carter, Madison, Mississippi and 4 more	55 min
Jun 9, 3:04 PM CDT	Mesoscale Discussion	SPC	Bollinger, Butler, Cape Girardeau, Carter, Iron, Madison and 10 more	86 min
Jun 9, 3:41 PM CDT	Severe Thunderstorm Watch	SPC	Bollinger, Butler, Cape Girardeau, Carter, Crawford, Iron and 12 more	7 hr

Nearby

Tornado Watches in Missouri, 2009 Tornado Watches in Kansas, 2009 Every tornado watch in 2009

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.