Alert archive / Missouri / Tornado Watches in 2008
Tornado Watch 420
The Storm Prediction Center issued this tornado watch at Jun 2, 2008, 10:57 AM CDT for Bourbon County, Crawford County, Kansas; 12 counties in Missouri. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 2, 2008, 10:57 AM CDT (15:57 UTC)
- Expired
- Jun 2, 2008, 5:59 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3 in
- Strongest gust expected
- 60 kt
Counties Bourbon County, KS, Crawford County, KS, Barton County, MO, Benton County, MO, Camden County, MO, Cedar County, MO, Dade County, MO, Dallas County, MO, Hickory County, MO, Laclede County, MO, Morgan County, MO, Polk County, MO, St. Clair County, MO, Vernon County, MO
The radar
The Pleasant Hill radar (KEAX), 93 km from the middle of the area, began a volume at 16:02 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
- 30%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 60%
- One or more hailstones of 2 inches or more
- 50%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 11:19 AM CDT | Severe Thunderstorm Warning | SGF | Vernon | 71 min |
| Jun 2, 11:59 AM CDT | Severe Thunderstorm Warning | SGF | Cedar, St. Clair | 76 min |
| Jun 2, 12:26 PM CDT | Severe Thunderstorm Warning | SGF | Vernon | 64 min |
| Jun 2, 1:15 PM CDT | Severe Thunderstorm Warning | SGF | St. Clair, Vernon | 75 min |
| Jun 2, 1:33 PM CDT | Severe Thunderstorm Warning | SGF | Hickory, Polk | 57 min |
| Jun 2, 1:47 PM CDT | Tornado Warning | SGF | Cedar, St. Clair, Vernon | 43 min |
| Jun 2, 2:11 PM CDT | Severe Thunderstorm Warning | SGF | Camden, Dallas, Laclede | 79 min |
| Jun 2, 2:26 PM CDT | Tornado Warning | SGF | Cedar, Dade, Polk | 49 min |
| Jun 2, 3:07 PM CDT | Severe Thunderstorm Warning | SGF | Dallas, Laclede, Webster | 68 min |
| Jun 2, 3:11 PM CDT | Severe Thunderstorm Warning | SGF | Greene, Polk | 38 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, 4.0 hours before the alert went out and 123 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.
- Mixed-layer CAPE
- 1175 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 792 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.4
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 4:41 AM CDT | Mesoscale Discussion | SPC | Cloud, Jewell, Mitchell, Ottawa, Republic, Smith and 1 more | 2 hr |
| Jun 2, 7:22 AM CDT | Mesoscale Discussion | SPC | Atchison, Barton, Brown, Chase, Clay, Cloud and 35 more | 53 min |
| Jun 2, 7:49 AM CDT | Severe Thunderstorm Watch | SPC | Anderson, Atchison, Brown, Clay, Cloud, Coffey and 29 more | 6 hr |
| Jun 2, 9:06 AM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Butler, Chase, Clay and 31 more | 54 min |
| Jun 2, 1:04 PM CDT | Mesoscale Discussion | SPC | Linn | 56 min |
| Jun 2, 3:11 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Finney, Gove, Grant, Gray, Greeley and 15 more | 2 hr |
| Jun 2, 3:51 PM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Decatur, Finney, Gove, Grant, Gray and 14 more | 6 hr |
| Jun 2, 2:14 PM CDT | Tornado Watch | SPC | Christian, Dent, Douglas, Greene, Howell, Oregon and 7 more | 4 hr |
| Jun 2, 2:40 PM CDT | Mesoscale Discussion | SPC | Butler, Carter, Dunklin, Mississippi, New Madrid, Pemiscot and 4 more | 65 min |
| Jun 2, 4:01 PM CDT | Severe Thunderstorm Watch | SPC | Butler, Carter, Dunklin, New Madrid, Pemiscot, Ripley and 2 more | 3 hr |
| Jun 2, 5:02 PM CDT | Mesoscale Discussion | SPC | Butler, Carter, Dent, Douglas, Dunklin, Howell and 11 more | 88 min |
| Jun 2, 6:47 PM CDT | Mesoscale Discussion | SPC | Butler, Carter, Dunklin, New Madrid, Pemiscot, Ripley | 58 min |
Nearby
Tornado Watches in Missouri, 2008Tornado Watches in Kansas, 2008Every tornado 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.