Alert archive / Missouri / Tornado Watches in 2009
Tornado Watch 11
The Storm Prediction Center issued this tornado watch at Feb 10, 2009, 5:32 PM CST for 9 counties in Kansas; 30 counties in Missouri. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 10, 2009, 5:32 PM CST (23:32 UTC)
- Expired
- Feb 11, 2009, 12:00 AM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 60 kt
All 39 counties
Allen County, KS, Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barry County, MO, Barton 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, McDonald 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), 65 km from the middle of the area, began a volume at 23:33 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
- 40%
- 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
- 50%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
12 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 10, 6:14 PM CST | Severe Thunderstorm Warning | ICT | Chautauqua, Montgomery | 61 min |
| Feb 10, 6:52 PM CST | Severe Thunderstorm Warning | ICT | Labette, Montgomery | 53 min |
| Feb 10, 7:25 PM CST | Severe Thunderstorm Warning | ICT | Neosho | 45 min |
| Feb 10, 7:26 PM CST | Severe Thunderstorm Warning | SGF | Cherokee, Crawford | 79 min |
| Feb 10, 7:39 PM CST | Tornado Warning | SGF | Crawford | 48 min |
| Feb 10, 7:41 PM CST | Severe Thunderstorm Warning | ICT | Labette | 34 min |
| Feb 10, 8:06 PM CST | Severe Thunderstorm Warning | SGF | Bourbon | 54 min |
| Feb 10, 8:12 PM CST | Severe Thunderstorm Warning | SGF | Vernon | 43 min |
| Feb 10, 9:10 PM CST | Severe Thunderstorm Warning | SGF | McDonald, Newton | 26 min |
| Feb 10, 10:21 PM CST | Flash Flood Warning | SGF | Bourbon, Cherokee, Crawford | 7 hr |
| Feb 10, 10:35 PM CST | Flash Flood Warning | SGF | Benton, Camden, Cedar, Hickory, Maries, Miller and 2 more | 7 hr |
| Feb 10, 10:58 PM CST | Severe Thunderstorm Warning | SGF | Christian, Douglas, Greene, Ozark, Taney, Webster and 1 more | 62 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, 11.5 hours before the alert went out and 62 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1772 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 170 m²/s²
- 0-3 km storm-relative helicity
- 188 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 10, 1:29 PM CST | Mesoscale Discussion | SPC | Allen, Anderson, Chautauqua, Coffey, Cowley, Elk and 7 more | 2 hr |
| Feb 10, 4:50 PM CST | Mesoscale Discussion | SPC | Allen, Bourbon, Cherokee, Crawford, Labette, Montgomery and 2 more | 85 min |
| Feb 10, 12:17 PM CST | Mesoscale Discussion | SPC | Atoka, Bryan, Carter, Cleveland, Coal, Cotton and 20 more | 118 min |
| Feb 10, 12:49 PM CST | Tornado Watch | SPC | Blaine, Caddo, Canadian, Carter, Cleveland, Comanche and 19 more | 9 hr |
| Feb 10, 2:16 PM CST | Mesoscale Discussion | SPC | Atoka, Bryan, Choctaw, Coal, Haskell, Hughes and 12 more | 119 min |
| Feb 10, 2:33 PM CST | Mesoscale Discussion | SPC | Caddo, Canadian, Carter, Cleveland, Comanche, Cotton and 13 more | 87 min |
| Feb 10, 2:42 PM CST | Tornado Watch | SPC | Adair, Atoka, Bryan, Cherokee, Choctaw, Coal and 29 more | 7 hr |
| Feb 10, 3:37 PM CST | Tornado Watch | SPC | McCurtain | 6 hr |
| Feb 10, 5:25 PM CST | Mesoscale Discussion | SPC | McCurtain | 65 min |
Nearby
Tornado Watches in Missouri, 2009Tornado Watches in Kansas, 2009Every 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.