Alert archive / Missouri / Tornado Watches in 2006
Tornado Watch 787
The Storm Prediction Center issued this tornado watch at Sep 22, 2006, 12:06 PM CDT for 7 counties in Arkansas; 30 counties in Missouri; 15 counties in Oklahoma. It was in force for 9 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 22, 2006, 12:06 PM CDT (17:06 UTC)
- Expired
- Sep 22, 2006, 9:00 PM CDT
- In force
- 9 hr
- Issued by
- the Storm Prediction Center
- Particularly dangerous situation
- Yes
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 52 counties
Benton County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Madison County, AR, Sebastian County, AR, Washington County, AR, Barry 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, Stone County, MO, Taney County, MO, Texas County, MO, Webster County, MO, Wright County, MO, Adair County, OK, Cherokee County, OK, Choctaw County, OK, Craig County, OK, Delaware County, OK, Haskell County, OK, Latimer County, OK, LeFlore County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Ottawa County, OK, Pittsburg County, OK, Pushmataha County, OK, Sequoyah County, OK
The radar
The Springfield radar (KSGF), 79 km from the middle of the area, began a volume at 17:07 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
- 70%
- One or more EF2 to EF5 tornadoes
- 70%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 50%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
50 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 12:34 PM CDT | Tornado Warning | SGF | Dallas | 41 min |
| Sep 22, 12:46 PM CDT | Tornado Warning | SGF | Laclede | 49 min |
| Sep 22, 12:56 PM CDT | Tornado Warning | SGF | Camden | 41 min |
| Sep 22, 1:06 PM CDT | Severe Thunderstorm Warning | SGF | Texas | 69 min |
| Sep 22, 1:20 PM CDT | Tornado Warning | SGF | Pulaski | 35 min |
| Sep 22, 1:33 PM CDT | Tornado Warning | SGF | Shannon, Texas | 50 min |
| Sep 22, 1:38 PM CDT | Severe Thunderstorm Warning | SGF | Dent | 67 min |
| Sep 22, 1:42 PM CDT | Tornado Warning | SGF | Maries, Phelps | 50 min |
| Sep 22, 1:51 PM CDT | Tornado Warning | SGF | Dent | 54 min |
| Sep 22, 2:47 PM CDT | Severe Thunderstorm Warning | TSA | Crawford | 43 min |
| Sep 22, 3:00 PM CDT | Severe Thunderstorm Warning | TSA | Washington | 38 min |
| Sep 22, 3:05 PM CDT | Severe Thunderstorm Warning | TSA | Madison | 55 min |
| Sep 22, 3:25 PM CDT | Severe Thunderstorm Warning | TSA | Carroll | 48 min |
| Sep 22, 3:37 PM CDT | Tornado Warning | TSA | Madison | 38 min |
| Sep 22, 3:48 PM CDT | Severe Thunderstorm Warning | SGF | Dent | 57 min |
| Sep 22, 4:02 PM CDT | Tornado Warning | SGF | Dent | 34 min |
| Sep 22, 4:12 PM CDT | Severe Thunderstorm Warning | SGF | Douglas, Taney | 63 min |
| Sep 22, 4:35 PM CDT | Severe Thunderstorm Warning | SGF | Wright | 37 min |
| Sep 22, 4:58 PM CDT | Tornado Warning | SGF | Douglas, Ozark | 30 min |
| Sep 22, 5:08 PM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 20 min |
| Sep 22, 5:12 PM CDT | Severe Thunderstorm Warning | TSA | Adair | 19 min |
| Sep 22, 5:13 PM CDT | Severe Thunderstorm Warning | TSA | Crawford | 62 min |
| Sep 22, 5:14 PM CDT | Severe Thunderstorm Warning | SGF | Howell | 61 min |
| Sep 22, 5:20 PM CDT | Severe Thunderstorm Warning | TSA | Washington | 55 min |
| Sep 22, 5:21 PM CDT | Tornado Warning | SGF | Howell | 37 min |
| Sep 22, 5:42 PM CDT | Severe Thunderstorm Warning | TSA | Madison | 63 min |
| Sep 22, 5:43 PM CDT | Severe Thunderstorm Warning | TSA | Franklin | 62 min |
| Sep 22, 5:49 PM CDT | Severe Thunderstorm Warning | TSA | Benton | 45 min |
| Sep 22, 5:51 PM CDT | Severe Thunderstorm Warning | SGF | Phelps | 39 min |
| Sep 22, 5:52 PM CDT | Tornado Warning | SGF | Shannon | 23 min |
| Sep 22, 5:53 PM CDT | Tornado Warning | TSA | Madison | 37 min |
| Sep 22, 6:10 PM CDT | Tornado Warning | TSA | Franklin | 50 min |
| Sep 22, 6:32 PM CDT | Severe Thunderstorm Warning | TSA | Madison | 14 min |
| Sep 22, 6:35 PM CDT | Tornado Warning | SGF | Oregon | 25 min |
| Sep 22, 7:19 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg, Pushmataha | 56 min |
| Sep 22, 7:25 PM CDT | Severe Thunderstorm Warning | TSA | Latimer | 65 min |
| Sep 22, 7:35 PM CDT | Severe Thunderstorm Warning | TSA | Benton | 35 min |
| Sep 22, 7:42 PM CDT | Flash Flood Warning | SGF | Oregon | 6 hr |
| Sep 22, 7:42 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee | 63 min |
| Sep 22, 7:50 PM CDT | Severe Thunderstorm Warning | TSA | Haskell | 55 min |
| Sep 22, 7:52 PM CDT | Severe Thunderstorm Warning | TSA | Carroll | 53 min |
| Sep 22, 8:11 PM CDT | Tornado Warning | TSA | Carroll | 49 min |
| Sep 22, 8:11 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw | 2 hr |
| Sep 22, 8:16 PM CDT | Severe Thunderstorm Warning | TSA | Pushmataha | 59 min |
| Sep 22, 8:19 PM CDT | Severe Thunderstorm Warning | SGF | Taney | 41 min |
| Sep 22, 8:24 PM CDT | Severe Thunderstorm Warning | SGF | Ozark | 96 min |
| Sep 22, 8:38 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 82 min |
| Sep 22, 8:41 PM CDT | Severe Thunderstorm Warning | TSA | Adair | 34 min |
| Sep 22, 8:47 PM CDT | Tornado Warning | TSA | Choctaw | 58 min |
| Sep 22, 8:52 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Muskogee | 53 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, 5.1 hours before the alert went out and 33 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
- 409 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 642 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 311 m²/s²
- 0-3 km storm-relative helicity
- 363 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 8.7
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 7:50 PM CDT | Mesoscale Discussion | SPC | Clark, Franklin, Garland, Hot Spring, Howard, Logan and 7 more | 115 min |
| Sep 21, 7:58 PM CDT | Mesoscale Discussion | SPC | Benton, Madison, Washington | 2 hr |
| Sep 21, 9:30 PM CDT | Tornado Watch | SPC | Arkansas, Clark, Conway, Crawford, Faulkner, Franklin and 24 more | 8 hr |
| Sep 21, 11:25 PM CDT | Mesoscale Discussion | SPC | Clark, Conway, Crawford, Franklin, Garland, Hot Spring and 16 more | 2 hr |
| Sep 22, 4:08 AM CDT | Mesoscale Discussion | SPC | Arkansas, Clay, Cleburne, Conway, Craighead, Crittenden and 23 more | 67 min |
| Sep 22, 4:39 AM CDT | Tornado Watch | SPC | Clay, Cleburne, Craighead, Crittenden, Cross, Fulton and 17 more | 5 hr |
| Sep 22, 8:35 AM CDT | Mesoscale Discussion | SPC | Arkansas, Bradley, Calhoun, Clark, Cleburne, Cleveland and 53 more | 85 min |
| Sep 22, 9:10 AM CDT | Tornado Watch | SPC | Arkansas, Baxter, Boone, Clark, Clay, Cleburne and 46 more | 9 hr |
| Sep 22, 11:10 AM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Crawford, Madison, Sebastian, Washington | 95 min |
| Sep 22, 12:15 PM CDT | Mesoscale Discussion | SPC | Arkansas, Baxter, Boone, Bradley, Calhoun, Carroll and 64 more | 90 min |
| Sep 22, 3:00 PM CDT | Mesoscale Discussion | SPC | Arkansas, Baxter, Benton, Boone, Carroll, Clark and 58 more | 90 min |
| Sep 22, 5:58 PM CDT | Mesoscale Discussion | SPC | Clark, Cleburne, Conway, Craighead, Crawford, Cross and 38 more | 92 min |
| Sep 22, 6:29 PM CDT | Tornado Watch | SPC | Baxter, Boone, Clay, Cleburne, Craighead, Fulton and 16 more | 7 hr |
| Sep 22, 12:49 PM CDT | Mesoscale Discussion | SPC | Bollinger, Callaway, Cape Girardeau, Carter, Crawford, Dent and 23 more | 2 hr |
| Sep 22, 1:16 PM CDT | Tornado Watch | SPC | Audrain, Bollinger, Boone, Butler, Callaway, Cape Girardeau and 31 more | 8 hr |
| Sep 22, 5:08 PM CDT | Mesoscale Discussion | SPC | Bollinger, Butler, Cape Girardeau, Carter, Crawford, Dent and 33 more | 2 hr |
Nearby
Tornado Watches in Missouri, 2006Tornado Watches in Oklahoma, 2006Tornado Watches in Arkansas, 2006Every tornado watch in 2006
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.