Alert archive / Arkansas / Tornado Watches in 2007
Tornado Watch 713
The Storm Prediction Center issued this tornado watch at Oct 17, 2007, 4:31 PM CDT for 4 states. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Oct 17, 2007, 4:31 PM CDT (21:31 UTC)
- Expired
- Oct 18, 2007, 12:00 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 114 counties
Arkansas County, AR, Baxter County, AR, Benton County, AR, Boone County, AR, Bradley County, AR, Calhoun County, AR, Carroll County, AR, Clark County, AR, Cleburne County, AR, Cleveland County, AR, Columbia County, AR, Conway County, AR, Crawford County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Faulkner County, AR, Franklin County, AR, Fulton County, AR, Garland County, AR, Grant County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Jefferson County, AR, Johnson County, AR, Lafayette County, AR, Lincoln County, AR, Little River County, AR, Logan County, AR, Lonoke County, AR, Madison County, AR, Marion County, AR, Miller County, AR, Monroe County, AR, Montgomery County, AR, Nevada County, AR, Newton County, AR, Ouachita County, AR, Perry County, AR, Pike County, AR, Polk County, AR, Pope County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Sevier County, AR, Sharp County, AR, Stone County, AR, Union County, AR, Van Buren County, AR, Washington County, AR, White County, AR, Woodruff County, AR, Yell County, AR, Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Caldwell Parish, LA, Claiborne Parish, LA, De Soto Parish, LA, Grant Parish, LA, Jackson Parish, LA, LaSalle Parish, LA, Lincoln Parish, LA, Natchitoches Parish, LA, Ouachita Parish, LA, Red River Parish, LA, Sabine Parish, LA, Union Parish, LA, Webster Parish, LA, Winn Parish, LA, Adair County, OK, Cherokee County, OK, Craig County, OK, Delaware County, OK, Haskell County, OK, LeFlore County, OK, Mayes County, OK, McCurtain County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Ottawa County, OK, Rogers County, OK, Sequoyah County, OK, Wagoner County, OK, Angelina County, TX, Bowie County, TX, Camp County, TX, Cass County, TX, Cherokee County, TX, Franklin County, TX, Gregg County, TX, Harrison County, TX, Marion County, TX, Morris County, TX, Nacogdoches County, TX, Panola County, TX, Red River County, TX, Rusk County, TX, Sabine County, TX, San Augustine County, TX, Shelby County, TX, Smith County, TX, Titus County, TX, Upshur County, TX, Wood County, TX
The radar
The Western Arkansas radar (KSRX), 95 km from the middle of the area, began a volume at 21:32 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
- 50%
- One or more EF2 to EF5 tornadoes
- 40%
- Ten or more severe wind reports
- 60%
- 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
- 30%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
54 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 17, 4:32 PM CDT | Tornado Warning | LZK | Calhoun | 43 min |
| Oct 17, 4:32 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 44 min |
| Oct 17, 4:40 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Nacogdoches, Rusk | 35 min |
| Oct 17, 4:42 PM CDT | Severe Thunderstorm Warning | LZK | Grant, Jefferson, Pulaski, Saline | 48 min |
| Oct 17, 4:48 PM CDT | Tornado Warning | LZK | Grant, Jefferson, Lonoke, Pulaski, Saline | 42 min |
| Oct 17, 4:58 PM CDT | Tornado Warning | SHV | Nacogdoches, Rusk | 32 min |
| Oct 17, 5:11 PM CDT | Tornado Warning | LZK | Bradley, Cleveland | 49 min |
| Oct 17, 5:15 PM CDT | Tornado Warning | SHV | McCurtain | 45 min |
| Oct 17, 5:29 PM CDT | Tornado Warning | SHV | Nacogdoches, Panola, Rusk, Shelby | 25 min |
| Oct 17, 5:47 PM CDT | Tornado Warning | LZK | Jefferson, Lincoln | 43 min |
| Oct 17, 5:52 PM CDT | Tornado Warning | SHV | McCurtain | 23 min |
| Oct 17, 5:55 PM CDT | Tornado Warning | LZK | Arkansas, Jefferson, Lonoke, Monroe, Prairie | 50 min |
| Oct 17, 6:10 PM CDT | Tornado Warning | TSA | LeFlore | 38 min |
| Oct 17, 6:23 PM CDT | Tornado Warning | LZK | Arkansas, Jefferson, Lincoln | 49 min |
| Oct 17, 6:33 PM CDT | Tornado Warning | SHV | De Soto, Natchitoches, Red River, Sabine | 42 min |
| Oct 17, 6:35 PM CDT | Tornado Warning | LZK | Polk, Scott | 55 min |
| Oct 17, 6:57 PM CDT | Severe Thunderstorm Warning | TSA | Nowata | 78 min |
| Oct 17, 7:22 PM CDT | Tornado Warning | LZK | White, Woodruff | 38 min |
| Oct 17, 7:23 PM CDT | Severe Thunderstorm Warning | TSA | Rogers | 67 min |
| Oct 17, 7:25 PM CDT | Severe Thunderstorm Warning | TSA | Muskogee, Wagoner | 65 min |
| Oct 17, 7:29 PM CDT | Tornado Warning | TSA | Nowata, Washington | 61 min |
| Oct 17, 7:47 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Mayes | 58 min |
| Oct 17, 8:06 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Rogers | 39 min |
| Oct 17, 8:10 PM CDT | Severe Thunderstorm Warning | TSA | Delaware | 80 min |
| Oct 17, 8:19 PM CDT | Severe Thunderstorm Warning | LZK | Monroe | 41 min |
| Oct 17, 8:19 PM CDT | Severe Thunderstorm Warning | TSA | Ottawa | 56 min |
| Oct 17, 8:24 PM CDT | Severe Thunderstorm Warning | TSA | Franklin | 38 min |
| Oct 17, 8:29 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, McIntosh, Pittsburg | 41 min |
| Oct 17, 8:31 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Mayes, Muskogee, Wagoner | 59 min |
| Oct 17, 8:46 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Haskell, Muskogee, Sequoyah | 59 min |
| Oct 17, 8:51 PM CDT | Severe Thunderstorm Warning | TSA | Benton | 54 min |
| Oct 17, 9:10 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee | 55 min |
| Oct 17, 9:16 PM CDT | Tornado Warning | TSA | Cherokee | 29 min |
| Oct 17, 9:20 PM CDT | Severe Thunderstorm Warning | LZK | Sharp | 25 min |
| Oct 17, 9:34 PM CDT | Severe Thunderstorm Warning | TSA | Benton, Washington | 56 min |
| Oct 17, 9:36 PM CDT | Severe Thunderstorm Warning | SHV | Howard, Little River, Sevier | 39 min |
| Oct 17, 9:48 PM CDT | Severe Thunderstorm Warning | LZK | Sharp | 12 min |
| Oct 17, 10:02 PM CDT | Severe Thunderstorm Warning | LZK | Montgomery, Pike | 43 min |
| Oct 17, 10:13 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Sebastian | 47 min |
| Oct 17, 10:15 PM CDT | Severe Thunderstorm Warning | TSA | Carroll, Madison | 75 min |
| Oct 17, 10:16 PM CDT | Severe Thunderstorm Warning | LZK | Baxter, Marion | 29 min |
| Oct 17, 10:18 PM CDT | Severe Thunderstorm Warning | SHV | Hempstead, Howard, Little River, Sevier | 42 min |
| Oct 17, 10:29 PM CDT | Severe Thunderstorm Warning | TSA | Benton, Washington | 46 min |
| Oct 17, 10:31 PM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 44 min |
| Oct 17, 10:35 PM CDT | Severe Thunderstorm Warning | LZK | Garland | 40 min |
| Oct 17, 10:39 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Sebastian | 66 min |
| Oct 17, 10:47 PM CDT | Severe Thunderstorm Warning | LZK | Clark, Hot Spring, Pike | 43 min |
| Oct 17, 11:07 PM CDT | Severe Thunderstorm Warning | LZK | Clark, Dallas, Grant, Hot Spring | 38 min |
| Oct 17, 11:15 PM CDT | Severe Thunderstorm Warning | LZK | Saline | 30 min |
| Oct 17, 11:20 PM CDT | Severe Thunderstorm Warning | LZK | Johnson, Newton | 55 min |
| Oct 17, 11:26 PM CDT | Severe Thunderstorm Warning | TSA | Carroll, Madison | 34 min |
| Oct 17, 11:34 PM CDT | Severe Thunderstorm Warning | LZK | Clark, Hot Spring | 26 min |
| Oct 17, 11:44 PM CDT | Severe Thunderstorm Warning | LZK | Faulkner, Pulaski | 31 min |
| Oct 17, 11:50 PM CDT | Severe Thunderstorm Warning | LZK | Grant | 25 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
Shreveport, LA (KSHV), launched 12:00Z, 9.5 hours before the alert went out and 229 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
- 865 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 477 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 140 m²/s²
- 0-3 km storm-relative helicity
- 170 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.6
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 17, 9:36 AM CDT | Mesoscale Discussion | SPC | Ashley, Bradley, Calhoun, Cleveland, Columbia, Dallas and 5 more | 114 min |
| Oct 17, 10:24 AM CDT | Mesoscale Discussion | SPC | Benton, Washington | 96 min |
| Oct 17, 10:43 AM CDT | Tornado Watch | SPC | Benton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more | 7 hr |
| Oct 17, 11:13 AM CDT | Tornado Watch | SPC | Columbia, Hempstead, Lafayette, Little River, Miller, Nevada and 1 more | 7 hr |
| Oct 17, 2:36 PM CDT | Mesoscale Discussion | SPC | Ashley, Bradley, Calhoun, Clark, Cleveland, Columbia and 14 more | 114 min |
| Oct 17, 5:15 PM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Chicot, Crittenden, Cross, Desha and 7 more | 2 hr |
| Oct 16, 10:36 PM CDT | Mesoscale Discussion | SPC | Beckham, Greer, Harmon, Jackson, Roger Mills | 114 min |
| Oct 17, 1:12 AM CDT | Mesoscale Discussion | SPC | Beaver, Beckham, Dewey, Ellis, Harmon, Harper and 4 more | 93 min |
| Oct 17, 1:36 AM CDT | Tornado Watch | SPC | Beckham, Custer, Dewey, Ellis, Greer, Harmon and 7 more | 7 hr |
| Oct 17, 1:44 AM CDT | Severe Thunderstorm Watch | SPC | Beaver, Texas | 7 hr |
| Oct 17, 4:07 AM CDT | Mesoscale Discussion | SPC | Alfalfa, Blaine, Canadian, Cleveland, Craig, Creek and 19 more | 113 min |
| Oct 17, 6:07 AM CDT | Mesoscale Discussion | SPC | Beckham, Custer, Dewey, Ellis, Greer, Harmon and 7 more | 113 min |
| Oct 17, 6:50 AM CDT | Mesoscale Discussion | SPC | Beaver, Texas | 100 min |
| Oct 17, 7:43 AM CDT | Tornado Watch | SPC | Blaine, Caddo, Canadian, Carter, Cleveland, Comanche and 33 more | 7 hr |
| Oct 17, 1:20 PM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Cherokee, Choctaw, Coal, Creek and 25 more | 85 min |
| Oct 17, 2:25 PM CDT | Tornado Watch | SPC | Alfalfa, Atoka, Blaine, Bryan, Caddo, Canadian and 44 more | 8 hr |
| Oct 17, 6:23 PM CDT | Mesoscale Discussion | SPC | Adair, Atoka, Bryan, Carter, Cherokee, Choctaw and 43 more | 37 min |
| Oct 16, 11:45 PM CDT | Severe Thunderstorm Watch | SPC | Armstrong, Carson, Collingsworth, Donley, Gray, Hansford and 10 more | 2 hr |
| Oct 17, 4:41 AM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Borden, Brown, Callahan, Coke and 32 more | 2 hr |
Nearby
Tornado Watches in Arkansas, 2007Tornado Watches in Texas, 2007Tornado Watches in Louisiana, 2007Every tornado watch in 2007
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.