Alert archive / Arkansas / Tornado Watches in 2006
Tornado Watch 797
The Storm Prediction Center issued this tornado watch at Sep 23, 2006, 8:49 AM CDT for 6 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 23, 2006, 8:49 AM CDT (13:49 UTC)
- Expired
- Sep 23, 2006, 2:09 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 100 counties
Arkansas County, AR, Clay County, AR, Cleburne County, AR, Conway County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Faulkner County, AR, Garland County, AR, Grant County, AR, Greene County, AR, Hot Spring County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Jefferson County, AR, Lawrence County, AR, Lee County, AR, Lonoke County, AR, Mississippi County, AR, Monroe County, AR, Perry County, AR, Phillips County, AR, Poinsett County, AR, Pope County, AR, Prairie County, AR, Pulaski County, AR, Randolph County, AR, Saline County, AR, Searcy County, AR, Sharp County, AR, St. Francis County, AR, Stone County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Alexander County, IL, Edwards County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jefferson County, IL, Johnson County, IL, Massac County, IL, Perry County, IL, Pope County, IL, Pulaski County, IL, Saline County, IL, Union County, IL, Wabash County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Gibson County, IN, Pike County, IN, Posey County, IN, Spencer County, IN, Vanderburgh County, IN, Warrick County, IN, Ballard County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Christian County, KY, Crittenden County, KY, Daviess County, KY, Fulton County, KY, Graves County, KY, Henderson County, KY, Hickman County, KY, Hopkins County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Muhlenberg County, KY, Todd County, KY, Trigg County, KY, Union County, KY, Webster County, KY, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, Dunklin County, MO, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Perry County, MO, Ripley County, MO, Scott County, MO, Stoddard County, MO, Wayne County, MO, Dyer County, TN, Lake County, TN, Lauderdale County, TN, Obion County, TN
The radar
The Memphis radar (KNQA), 116 km from the middle of the area, began a volume at 13:52 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
- 40%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
24 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 23, 9:00 AM CDT | Flash Flood Warning | PAH | Calloway, Carlisle, Fulton, Graves, Hickman, Marshall | 4 hr |
| Sep 23, 9:01 AM CDT | Severe Thunderstorm Warning | LZK | Conway, Searcy, Van Buren | 44 min |
| Sep 23, 9:16 AM CDT | Severe Thunderstorm Warning | LZK | Pope | 29 min |
| Sep 23, 9:18 AM CDT | Tornado Warning | LZK | Cleburne, Stone, Van Buren | 42 min |
| Sep 23, 9:23 AM CDT | Flash Flood Warning | LZK | Izard | 2 hr |
| Sep 23, 9:30 AM CDT | Flash Flood Warning | PAH | Butler, Ripley | 3 hr |
| Sep 23, 10:06 AM CDT | Severe Thunderstorm Warning | LZK | Conway, Perry, Pope, Yell | 39 min |
| Sep 23, 10:06 AM CDT | Severe Thunderstorm Warning | LZK | Garland, Montgomery | 39 min |
| Sep 23, 10:38 AM CDT | Flash Flood Warning | PAH | Posey, Spencer, Vanderburgh, Warrick | 3 hr |
| Sep 23, 10:39 AM CDT | Tornado Warning | PAH | Massac | 22 min |
| Sep 23, 10:45 AM CDT | Severe Thunderstorm Warning | LZK | Garland, Perry, Pulaski, Saline | 45 min |
| Sep 23, 10:55 AM CDT | Severe Thunderstorm Warning | PAH | Pope | 38 min |
| Sep 23, 11:05 AM CDT | Tornado Warning | PAH | Livingston | 27 min |
| Sep 23, 11:18 AM CDT | Tornado Warning | PAH | Caldwell, Crittenden | 42 min |
| Sep 23, 11:39 AM CDT | Flash Flood Warning | PAH | Ballard, McCracken | 81 min |
| Sep 23, 11:44 AM CDT | Severe Thunderstorm Warning | LZK | Pulaski | 46 min |
| Sep 23, 11:44 AM CDT | Flash Flood Warning | PAH | Caldwell, Crittenden, Daviess, Henderson, Hopkins, Livingston and 4 more | 4 hr |
| Sep 23, 11:46 AM CDT | Severe Thunderstorm Warning | PAH | Hopkins, Webster | 44 min |
| Sep 23, 12:04 PM CDT | Tornado Warning | PAH | Hopkins | 26 min |
| Sep 23, 12:27 PM CDT | Tornado Warning | PAH | Muhlenberg | 33 min |
| Sep 23, 12:30 PM CDT | Tornado Warning | PAH | Hopkins | 18 min |
| Sep 23, 12:47 PM CDT | Severe Thunderstorm Warning | LZK | Lonoke | 28 min |
| Sep 23, 12:52 PM CDT | Flash Flood Warning | MEG | Clay, Greene, Lawrence, Randolph | 3 hr |
| Sep 23, 12:59 PM CDT | Tornado Warning | PAH | Muhlenberg | 23 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
Little Rock, AR (KLZK), launched 12:00Z, 1.8 hours before the alert went out and 153 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
- 1990 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 822 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 328 m²/s²
- 0-3 km storm-relative helicity
- 361 m²/s²
- Significant tornado parameter
- 3.5
- Supercell composite
- 15.8
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 7:32 PM CDT | Mesoscale Discussion | SPC | Benton, Crawford, Washington | 88 min |
| Sep 22, 8:58 PM CDT | Tornado Watch | SPC | Benton, Carroll, Crawford, Franklin, Logan, Madison and 5 more | 7 hr |
| Sep 22, 10:23 PM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Clay, Cleburne and 27 more | 2 hr |
| Sep 23, 12:59 AM CDT | Tornado Watch | SPC | Baxter, Boone, Clay, Cleburne, Conway, Craighead and 16 more | 8 hr |
| Sep 23, 2:12 AM CDT | Mesoscale Discussion | SPC | Benton, Boone, Carroll, Crawford, Franklin, Johnson and 6 more | 63 min |
| Sep 23, 3:33 AM CDT | Tornado Watch | SPC | Baxter, Benton, Boone, Carroll, Cleburne, Conway and 22 more | 7 hr |
| Sep 23, 4:10 AM CDT | Mesoscale Discussion | SPC | Baxter, Clay, Cleburne, Craighead, Fulton, Greene and 9 more | 2 hr |
| Sep 23, 7:35 AM CDT | Mesoscale Discussion | SPC | Arkansas, Bradley, Calhoun, Clark, Clay, Cleburne and 38 more | 85 min |
| Sep 23, 10:51 AM CDT | Mesoscale Discussion | SPC | Arkansas, Clark, Cleveland, Craighead, Crittenden, Cross and 28 more | 114 min |
| Sep 23, 12:17 PM CDT | Mesoscale Discussion | SPC | Ashley, Bradley, Calhoun, Columbia, Hempstead, Lafayette and 5 more | 2 hr |
| Sep 23, 1:37 PM CDT | Mesoscale Discussion | SPC | Arkansas, Cleveland, Crittenden, Desha, Jefferson, Lee and 5 more | 83 min |
| Sep 23, 2:08 PM CDT | Severe Thunderstorm Watch | SPC | Bradley, Calhoun, Clark, Cleveland, Columbia, Dallas and 13 more | 6 hr |
| Sep 23, 4:19 PM CDT | Mesoscale Discussion | SPC | Ashley, Bradley, Calhoun, Chicot, Cleveland, Columbia and 5 more | 116 min |
| Sep 22, 7:50 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Christian, Clinton, Edwards and 36 more | 115 min |
| Sep 23, 3:35 PM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Kane, Lake | 55 min |
| Sep 23, 6:15 PM CDT | Mesoscale Discussion | SPC | Kankakee | 2 hr |
| Sep 23, 11:30 AM CDT | Mesoscale Discussion | SPC | Clark, Crawford, Dearborn, Dubois, Floyd, Harrison and 12 more | 3 hr |
| Sep 23, 12:13 PM CDT | Tornado Watch | SPC | Crawford, Floyd, Harrison, Perry | 8 hr |
| Sep 22, 8:22 PM CDT | Tornado Watch | SPC | Adair, Allen, Anderson, Barren, Boyle, Breckinridge and 38 more | 5 hr |
| Sep 22, 10:47 PM CDT | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Boyle, Breckinridge and 44 more | 118 min |
| Sep 23, 3:28 PM CDT | Mesoscale Discussion | SPC | Adair, Allen, Barren, Bath, Bell, Boyle and 35 more | 92 min |
| Sep 23, 11:53 AM CDT | Mesoscale Discussion | SPC | Anderson, Bedford, Bledsoe, Bradley, Cannon, Clay and 38 more | 67 min |
| Sep 23, 2:59 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Chester, Decatur, Giles, Hardeman, Hardin and 10 more | 5 hr |
Nearby
Tornado Watches in Arkansas, 2006Tornado Watches in Kentucky, 2006Tornado Watches in Illinois, 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.