Alert archive / Georgia / Tornado Watches in 2010
Tornado Watch 727
The Storm Prediction Center issued this tornado watch at Oct 26, 2010, 2:16 PM EDT for 4 states. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Oct 26, 2010, 2:16 PM EDT (18:16 UTC)
- Expired
- Oct 26, 2010, 10:00 PM EDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 96 counties
Banks County, GA, Bartow County, GA, Carroll County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Cobb County, GA, Coweta County, GA, Dade County, GA, Dawson County, GA, Douglas County, GA, Fannin County, GA, Floyd County, GA, Forsyth County, GA, Franklin County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Habersham County, GA, Hall County, GA, Haralson County, GA, Hart County, GA, Heard County, GA, Lumpkin County, GA, Murray County, GA, Paulding County, GA, Pickens County, GA, Polk County, GA, Rabun County, GA, Stephens County, GA, Towns County, GA, Troup County, GA, Union County, GA, Walker County, GA, White County, GA, Whitfield County, GA, Alexander County, NC, Avery County, NC, Buncombe County, NC, Burke County, NC, Caldwell County, NC, Cherokee County, NC, Clay County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Polk County, NC, Rutherford County, NC, Swain County, NC, Transylvania County, NC, Yancey County, NC, Anderson County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Carter County, TN, Claiborne County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hamilton County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Johnson County, TN, Knox County, TN, Loudon County, TN, Marion County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Polk County, TN, Rhea County, TN, Roane County, TN, Scott County, TN, Sequatchie County, TN, Sevier County, TN, Sullivan County, TN, Unicoi County, TN, Union County, TN, Washington County, TN, City of Bristol, VA, City of Norton, VA, Lee County, VA, Russell County, VA, Scott County, VA, Washington County, VA, Wise County, VA
The radar
The Knoxville radar (KMRX), 92 km from the middle of the area, began a volume at 18:18 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
- 20%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 70%
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 |
|---|---|---|---|---|
| Oct 26, 2:24 PM EDT | Tornado Warning | MRX | Meigs, Rhea, Roane | 22 min |
| Oct 26, 2:31 PM EDT | Tornado Warning | MRX | Anderson, Campbell | 29 min |
| Oct 26, 2:56 PM EDT | Tornado Warning | MRX | Bradley, Hamilton | 34 min |
| Oct 26, 3:19 PM EDT | Tornado Warning | MRX | Bradley, Hamilton, McMinn | 26 min |
| Oct 26, 3:35 PM EDT | Tornado Warning | MRX | Bradley, Loudon, McMinn, Meigs, Monroe | 40 min |
| Oct 26, 3:57 PM EDT | Tornado Warning | MRX | Marion | 48 min |
| Oct 26, 4:03 PM EDT | Tornado Warning | MRX | Blount, Knox | 42 min |
| Oct 26, 4:07 PM EDT | Tornado Warning | FFC | Catoosa, Whitfield | 12 min |
| Oct 26, 4:10 PM EDT | Tornado Warning | MRX | Bradley, Hamilton, Polk | 50 min |
| Oct 26, 4:18 PM EDT | Severe Thunderstorm Warning | MRX | Morgan, Scott | 42 min |
| Oct 26, 4:24 PM EDT | Tornado Warning | MRX | Bledsoe, Hamilton, Sequatchie | 51 min |
| Oct 26, 4:26 PM EDT | Tornado Warning | MRX | Morgan, Scott | 34 min |
| Oct 26, 4:42 PM EDT | Severe Thunderstorm Warning | MRX | Morgan | 33 min |
| Oct 26, 4:45 PM EDT | Severe Thunderstorm Warning | MRX | McMinn, Monroe | 60 min |
| Oct 26, 4:54 PM EDT | Tornado Warning | MRX | Meigs, Rhea | 38 min |
| Oct 26, 4:55 PM EDT | Tornado Warning | MRX | Campbell, Claiborne, Scott | 35 min |
| Oct 26, 5:03 PM EDT | Tornado Warning | MRX | Campbell, Morgan, Scott | 27 min |
| Oct 26, 5:07 PM EDT | Severe Thunderstorm Warning | FFC | White | 8 min |
| Oct 26, 5:11 PM EDT | Severe Thunderstorm Warning | MRX | Hamilton, Marion, Sequatchie | 49 min |
| Oct 26, 5:14 PM EDT | Severe Thunderstorm Warning | GSP | Habersham, Rabun, Stephens | 61 min |
| Oct 26, 5:19 PM EDT | Severe Thunderstorm Warning | FFC | Carroll, Cobb, Douglas, Paulding | 21 min |
| Oct 26, 5:45 PM EDT | Severe Thunderstorm Warning | MRX | Bradley, McMinn, Meigs | 60 min |
| Oct 26, 5:57 PM EDT | Severe Thunderstorm Warning | FFC | White | 23 min |
| Oct 26, 6:04 PM EDT | Severe Thunderstorm Warning | FFC | Fannin, Gilmer | 26 min |
| Oct 26, 6:09 PM EDT | Severe Thunderstorm Warning | MRX | Bledsoe, Hamilton, Meigs, Rhea, Roane, Sequatchie | 66 min |
| Oct 26, 6:16 PM EDT | Tornado Warning | MRX | Hamilton, Marion | 44 min |
| Oct 26, 6:17 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Campbell, Morgan, Scott | 43 min |
| Oct 26, 6:21 PM EDT | Severe Thunderstorm Warning | FFC | Fannin, Towns, Union | 39 min |
| Oct 26, 6:37 PM EDT | Tornado Warning | GSP | Cleveland, Rutherford | 38 min |
| Oct 26, 6:37 PM EDT | Severe Thunderstorm Warning | MRX | Blount, Loudon, Monroe | 23 min |
| Oct 26, 6:49 PM EDT | Severe Thunderstorm Warning | FFC | Forsyth, Fulton, Gwinnett, Hall | 26 min |
| Oct 26, 6:51 PM EDT | Tornado Warning | MRX | Bradley | 39 min |
| Oct 26, 6:58 PM EDT | Severe Thunderstorm Warning | MRX | Blount, Knox | 32 min |
| Oct 26, 7:01 PM EDT | Tornado Warning | GSP | Burke, Catawba, Cleveland, Lincoln | 44 min |
| Oct 26, 7:10 PM EDT | Tornado Warning | MRX | McMinn, Polk | 50 min |
| Oct 26, 7:11 PM EDT | Severe Thunderstorm Warning | FFC | Gwinnett, Hall, Jackson | 49 min |
| Oct 26, 7:26 PM EDT | Severe Thunderstorm Warning | MRX | Jefferson, Knox, Sevier | 18 min |
| Oct 26, 7:31 PM EDT | Severe Thunderstorm Warning | GSP | Polk, Rutherford | 41 min |
| Oct 26, 7:35 PM EDT | Tornado Warning | GSP | Alexander, Catawba, Iredell | 40 min |
| Oct 26, 7:46 PM EDT | Tornado Warning | MRX | Monroe | 44 min |
| Oct 26, 7:54 PM EDT | Tornado Warning | FFC | Chattooga, Walker | 38 min |
| Oct 26, 8:07 PM EDT | Tornado Warning | GSP | Cleveland, Polk, Rutherford | 38 min |
| Oct 26, 8:09 PM EDT | Tornado Warning | MRX | Blount | 51 min |
| Oct 26, 8:46 PM EDT | Severe Thunderstorm Warning | GSP | Burke, Catawba, Cleveland, Lincoln | 59 min |
| Oct 26, 8:49 PM EDT | Severe Thunderstorm Warning | FFC | Chattooga, Dade, Walker | 26 min |
| Oct 26, 9:00 PM EDT | Tornado Warning | GSP | Burke, Catawba, Cleveland, Lincoln | 45 min |
| Oct 26, 9:17 PM EDT | Tornado Warning | GSP | Burke, Cleveland, Rutherford | 43 min |
| Oct 26, 9:22 PM EDT | Severe Thunderstorm Warning | MRX | Cocke, Greene | 38 min |
| Oct 26, 9:28 PM EDT | Severe Thunderstorm Warning | GSP | Alexander, Catawba, Davie, Iredell | 34 min |
| Oct 26, 9:37 PM EDT | Severe Thunderstorm Warning | FFC | Bartow, Chattooga, Floyd, Gordon | 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
Nashville Metro, TN (KBNA), launched 12:00Z, 6.3 hours before the alert went out and 233 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
- 324 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 796 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 403 m²/s²
- 0-3 km storm-relative helicity
- 486 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 3.4
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 26, 7:00 AM EDT | Mesoscale Discussion | SPC | Colbert, Franklin, Lauderdale, Lawrence, Limestone | 2 hr |
| Oct 26, 9:54 AM EDT | Mesoscale Discussion | SPC | Colbert, Cullman, Franklin, Jackson, Lauderdale, Lawrence and 7 more | 66 min |
| Oct 26, 10:27 AM EDT | Tornado Watch | SPC | Blount, Colbert, Cullman, DeKalb, Fayette, Franklin and 12 more | 11 hr |
| Oct 26, 12:57 PM EDT | Mesoscale Discussion | SPC | DeKalb, Jackson, Lauderdale, Lawrence, Limestone, Madison and 3 more | 93 min |
| Oct 26, 3:59 PM EDT | Tornado Watch | SPC | Autauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 25 more | 5 hr |
| Oct 26, 4:44 PM EDT | Mesoscale Discussion | SPC | DeKalb, Jackson, Lawrence, Madison, Morgan | 61 min |
| Oct 26, 7:32 PM EDT | Mesoscale Discussion | SPC | Bibb, Blount, Calhoun, Cherokee, Chilton, Clay and 18 more | 58 min |
| Oct 26, 4:51 PM EDT | Mesoscale Discussion | SPC | Bartow, Carroll, Cherokee, Clayton, Cobb, Coweta and 7 more | 54 min |
| Oct 26, 7:19 PM EDT | Tornado Watch | SPC | Elbert, Franklin, Habersham, Hart, Rabun, Stephens | 12 hr |
| Oct 26, 4:38 AM EDT | Mesoscale Discussion | SPC | Ballard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 14 more | 2 hr |
| Oct 26, 5:05 AM EDT | Tornado Watch | SPC | Ballard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 16 more | 8 hr |
| Oct 26, 8:55 AM EDT | Tornado Watch | SPC | Adair, Allen, Anderson, Barren, Bath, Boone and 74 more | 7 hr |
| Oct 26, 1:09 PM EDT | Mesoscale Discussion | SPC | Boyd, Breathitt, Carter, Elliott, Floyd, Greenup and 10 more | 66 min |
| Oct 26, 1:36 PM EDT | Tornado Watch | SPC | Bath, Bell, Boyd, Breathitt, Carter, Clay and 31 more | 7 hr |
| Oct 26, 5:45 PM EDT | Mesoscale Discussion | SPC | Boyd, Breathitt, Carter, Elliott, Floyd, Greenup and 10 more | 90 min |
| Oct 26, 6:21 PM EDT | Mesoscale Discussion | SPC | Rockingham, Stokes | 54 min |
Nearby
Tornado Watches in Georgia, 2010Tornado Watches in Tennessee, 2010Tornado Watches in North Carolina, 2010Every tornado watch in 2010
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.