Alert archive / Georgia / Tornado Watches in 2014

Tornado Watch 543

October 13, 20144 states

The Storm Prediction Center issued this tornado watch at Oct 13, 2014, 10:44 PM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Oct 13, 2014, 10:44 PM CDT (03:44 UTC)
Expired
Oct 14, 2014, 4:25 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
1 in
Strongest gust expected
60 kt
All 73 counties

Barbour County, AL, Bullock County, AL, Chambers County, AL, Coffee County, AL, Coosa County, AL, Dale County, AL, Elmore County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Lee County, AL, Macon County, AL, Montgomery County, AL, Pike County, AL, Russell County, AL, Tallapoosa County, AL, Bay County, FL, Calhoun County, FL, Franklin County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Liberty County, FL, Walton County, FL, Washington County, FL, Bartow County, GA, Calhoun County, GA, Carroll County, GA, Catoosa County, GA, Chattahoochee County, GA, Chattooga County, GA, Cherokee County, GA, Clay County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Dade County, GA, DeKalb County, GA, Douglas County, GA, Early County, GA, Fannin County, GA, Fayette County, GA, Floyd County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Meriwether County, GA, Miller County, GA, Murray County, GA, Muscogee County, GA, Paulding County, GA, Pickens County, GA, Polk County, GA, Quitman County, GA, Randolph County, GA, Seminole County, GA, Stewart County, GA, Troup County, GA, Walker County, GA, Whitfield County, GA, Bledsoe County, TN, Bradley County, TN, Hamilton County, TN, Marion County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Polk County, TN, Rhea County, TN, Sequatchie County, TN

The radar

The Atlanta radar (KFFC), 68 km from the middle of the area, began a volume at 03:44 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
10%
Ten or more severe hail reports
30%
One or more hailstones of 2 inches or more
10%
Six or more combined severe hail and wind reports
60%

Warnings issued inside it

13 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Oct 13, 11:24 PM CDTSevere Thunderstorm WarningMRXHamilton, Marion, Sequatchie51 min
Oct 14, 1:14 AM CDTSevere Thunderstorm WarningTAEWalton31 min
Oct 14, 1:41 AM CDTSevere Thunderstorm WarningTAEHolmes, Walton49 min
Oct 14, 1:57 AM CDTSevere Thunderstorm WarningTAEBay, Walton, Washington48 min
Oct 14, 2:18 AM CDTSevere Thunderstorm WarningTAEBay27 min
Oct 14, 2:21 AM CDTFlash Flood WarningTAEHolmes, Jackson, Walton, Washington3 hr
Oct 14, 2:26 AM CDTSevere Thunderstorm WarningFFCDawson, Fannin, Gilmer, Pickens49 min
Oct 14, 2:45 AM CDTSevere Thunderstorm WarningTAEBay, Calhoun, Jackson, Washington30 min
Oct 14, 3:03 AM CDTSevere Thunderstorm WarningTAEFranklin, Gulf42 min
Oct 14, 3:13 AM CDTFlash Flood WarningFFCDade7 hr
Oct 14, 3:34 AM CDTSevere Thunderstorm WarningTAEFranklin, Gulf, Liberty41 min
Oct 14, 3:55 AM CDTFlash Flood WarningMRXHamilton, Marion, Sequatchie3 hr
Oct 14, 4:16 AM CDTSevere Thunderstorm WarningFFCClayton, Cobb, DeKalb, Douglas, Fulton29 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.7 hours before the alert went out and 74 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.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2014-10-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2014-10-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
15 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
1475 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
182 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 13, 7:23 PM CDTTornado WatchSPCBaldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more7 hr
Oct 13, 7:33 PM CDTMesoscale DiscussionSPCBlount, Cullman, Fayette, Jackson, Jefferson, Lauderdale and 9 more57 min
Oct 13, 8:57 PM CDTMesoscale DiscussionSPCBarbour, Bullock, Calhoun, Chambers, Cherokee, Clay and 11 more2 hr
Oct 13, 11:52 PM CDTMesoscale DiscussionSPCAutauga, Butler, Coffee, Coosa, Covington, Crenshaw and 5 more53 min
Oct 14, 2:07 AM CDTMesoscale DiscussionSPCBarbour, Chambers, Dale, Henry, Houston, Lee and 2 more83 min
Oct 14, 3:27 AM CDTTornado WatchSPCHouston8 hr
Oct 14, 6:23 AM CDTMesoscale DiscussionSPCJackson2 hr
Oct 14, 7:35 AM CDTMesoscale DiscussionSPCCalhoun, Franklin, Gadsden, Gulf, Jackson, Jefferson and 5 more85 min
Oct 14, 10:21 AM CDTMesoscale DiscussionSPCBaker, Columbia, Dixie, Gilchrist, Hamilton, Jefferson and 8 more114 min
Oct 14, 10:43 AM CDTSevere Thunderstorm WatchSPCAlachua, Baker, Bradford, Citrus, Clay, Columbia and 16 more7 hr
Oct 14, 3:06 AM CDTTornado WatchSPCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 59 more6 hr
Oct 14, 5:22 AM CDTMesoscale DiscussionSPCBulloch, Burke, Candler, Columbia, Elbert, Emanuel and 9 more83 min
Oct 14, 5:57 AM CDTTornado WatchSPCBulloch, Burke, Candler, Columbia, Effingham, Elbert and 27 more7 hr
Oct 14, 12:31 PM CDTMesoscale DiscussionSPCBaldwin, Banks, Barrow, Bibb, Butts, Clarke and 45 more2 hr
Oct 14, 12:59 PM CDTTornado WatchSPCBaldwin, Banks, Barrow, Bibb, Burke, Butts and 53 more11 hr
Oct 14, 1:58 PM CDTMesoscale DiscussionSPCBryan, Bulloch, Candler, Chatham, Effingham, Evans and 7 more32 min
Oct 14, 2:07 PM CDTSevere Thunderstorm WatchSPCBryan, Bulloch, Candler, Chatham, Effingham, Evans and 6 more6 hr
Oct 14, 5:29 PM CDTMesoscale DiscussionSPCColumbia, Elbert, Franklin, Glascock, Greene, Hancock and 9 more91 min
Oct 13, 10:41 PM CDTMesoscale DiscussionSPCAnderson, Bledsoe, Campbell, Cumberland, Fentress, Knox and 9 more64 min

Nearby

Tornado Watches in Georgia, 2014Tornado Watches in Alabama, 2014Tornado Watches in Tennessee, 2014Every tornado watch in 2014

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.