Alert archive / Georgia / Tornado Watches in 2016

Tornado Watch 513

November 30, 201623 counties in Alabama; 9 counties in Florida; 59 counties in Georgia

The Storm Prediction Center issued this tornado watch at Nov 30, 2016, 11:06 AM CST for 23 counties in Alabama; 9 counties in Florida; 59 counties in Georgia. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Nov 30, 2016, 11:06 AM CST (17:06 UTC)
Expired
Nov 30, 2016, 5:00 PM CST
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
1 in
Strongest gust expected
60 kt
All 91 counties

Baldwin County, AL, Barbour County, AL, Bullock County, AL, Butler County, AL, Chambers County, AL, Coffee County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Elmore County, AL, Escambia County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Montgomery County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Tallapoosa County, AL, Bay County, FL, Calhoun County, FL, Escambia County, FL, Holmes County, FL, Jackson County, FL, Okaloosa County, FL, Santa Rosa County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Banks County, GA, Barrow County, GA, Bartow County, GA, Butts County, GA, Calhoun County, GA, Carroll County, GA, Chattahoochee County, GA, Cherokee County, GA, Clarke County, GA, Clay County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Crawford County, GA, DeKalb County, GA, Dougherty County, GA, Douglas County, GA, Early County, GA, Fayette County, GA, Forsyth County, GA, Fulton County, GA, Gwinnett County, GA, Hall County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Jackson County, GA, Jasper County, GA, Lamar County, GA, Lee County, GA, Macon County, GA, Madison County, GA, Marion County, GA, Meriwether County, GA, Miller County, GA, Monroe County, GA, Morgan County, GA, Muscogee County, GA, Newton County, GA, Oconee County, GA, Paulding County, GA, Pike County, GA, Quitman County, GA, Randolph County, GA, Rockdale County, GA, Schley County, GA, Seminole County, GA, Spalding County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taylor County, GA, Terrell County, GA, Troup County, GA, Upson County, GA, Walton County, GA, Webster County, GA

The radar

The Maxwell AFB radar (KMXX), 46 km from the middle of the area, began a volume at 17:05 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
40%
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

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

IssuedProductOfficeCountiesLasted
Nov 30, 11:33 AM CSTTornado WarningMOBOkaloosa27 min
Nov 30, 11:35 AM CSTTornado WarningTAEWalton25 min
Nov 30, 11:49 AM CSTSevere Thunderstorm WarningMOBBaldwin, Escambia41 min
Nov 30, 11:52 AM CSTTornado Warning Tornado observedFFCCarroll, Haralson, Paulding25 min
Nov 30, 11:58 AM CSTSevere Thunderstorm WarningMOBBaldwin62 min
Nov 30, 12:15 PM CSTSevere Thunderstorm WarningFFCCobb, Douglas, Fulton, Paulding45 min
Nov 30, 12:25 PM CSTSevere Thunderstorm WarningMOBEscambia50 min
Nov 30, 12:38 PM CSTTornado WarningFFCCobb, DeKalb, Fulton37 min
Nov 30, 12:40 PM CSTSevere Thunderstorm WarningBMXChambers, Lee31 min
Nov 30, 12:40 PM CSTSevere Thunderstorm WarningMOBConecuh, Covington, Escambia65 min
Nov 30, 12:43 PM CSTTornado Warning Tornado observedBMXChambers32 min
Nov 30, 12:58 PM CSTSevere Thunderstorm WarningFFCCherokee, Dawson, Forsyth, Fulton, Gwinnett, Hall47 min
Nov 30, 1:02 PM CSTSevere Thunderstorm WarningFFCTroup28 min
Nov 30, 1:05 PM CSTSevere Thunderstorm WarningFFCHarris40 min
Nov 30, 1:08 PM CSTSevere Thunderstorm WarningFFCDeKalb, Gwinnett37 min
Nov 30, 1:11 PM CSTTornado WarningFFCForsyth, Gwinnett, Hall34 min
Nov 30, 1:14 PM CSTTornado WarningFFCForsyth, Gwinnett, Hall18 min
Nov 30, 1:23 PM CSTSevere Thunderstorm WarningFFCMeriwether37 min
Nov 30, 1:28 PM CSTSevere Thunderstorm WarningFFCBanks, Barrow, Gwinnett, Hall, Jackson47 min
Nov 30, 1:30 PM CSTSevere Thunderstorm WarningTAECoffee, Geneva75 min
Nov 30, 1:32 PM CSTTornado WarningFFCMeriwether14 min
Nov 30, 1:43 PM CSTTornado WarningTAEGeneva16 min
Nov 30, 1:43 PM CSTTornado WarningFFCBarrow, Clarke, Jackson32 min
Nov 30, 1:50 PM CSTSevere Thunderstorm WarningFFCPike, Upson25 min
Nov 30, 2:08 PM CSTSevere Thunderstorm WarningMOBCovington22 min
Nov 30, 2:11 PM CSTSevere Thunderstorm WarningFFCLamar, Spalding20 min
Nov 30, 2:11 PM CSTSevere Thunderstorm WarningFFCBanks, Jackson, Madison49 min
Nov 30, 2:21 PM CSTSevere Thunderstorm WarningFFCButts, Henry, Jasper, Newton24 min
Nov 30, 2:52 PM CSTSevere Thunderstorm WarningFFCMadison, Oglethorpe38 min
Nov 30, 3:23 PM CSTSevere Thunderstorm WarningTAEWalton37 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 12:00Z, 5.1 hours before the alert went out and 111 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 12:00Z on 2016-11-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 64 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 12:00Z on 2016-11-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 278 square meters per square second.1939587897117Sfc1 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
64 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
660 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
278 m²/s²
0-3 km storm-relative helicity
274 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted.

768 
WWUS20 KWNS 301704
SEL3  
SPC WW 301704
ALZ000-FLZ000-GAZ000-CWZ000-302300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 513
NWS STORM PREDICTION CENTER NORMAN OK
1105 AM CST WED NOV 30 2016

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  SOUTH CENTRAL AND SOUTHEAST ALABAMA
  THE WESTERN FLORIDA PANHANDLE
  WESTERN GEORGIA
  COASTAL WATERS

* EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 1105 AM
  UNTIL 500 PM CST.

* PRIMARY THREATS INCLUDE...
  A COUPLE TORNADOES POSSIBLE
  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
  ISOLATED LARGE HAIL EVENTS TO 1 INCHES IN DIAMETER POSSIBLE

SUMMARY...A LINE OF STRONG STORMS MAY INTENSIFY SOME THIS AFTERNOON
WHILE MOVING EASTWARD INTO EASTERN ALABAMA AND GEORGIA...WITH AN
ACCOMPANYING RISK FOR DAMAGING WINDS.  FARTHER SOUTH...DISCRETE
STORMS ARE FORMING AHEAD OF THE LINE...AND SOME OF THESE STORMS WILL
BECOME SUPERCELLS WITH THE POTENTIAL TO PRODUCE A COUPLE OF
TORNADOES THROUGH THE AFTERNOON.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE MILES
EAST AND WEST OF A LINE FROM 50 MILES WEST NORTHWEST OF ATHENS GA TO
35 MILES SOUTH OF CRESTVIEW FL. FOR A COMPLETE DEPICTION OF THE
WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 512...

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN
STORM MOTION VECTOR 24045.

...THOMPSON

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 29, 6:43 PM CSTMesoscale DiscussionSPCColbert, Fayette, Franklin, Lamar, Lauderdale, Lawrence and 6 more92 min
Nov 29, 6:47 PM CSTTornado WatchSPCCullman, DeKalb, Jackson, Lawrence, Limestone, Madison and 2 more8 hr
Nov 29, 8:03 PM CSTMesoscale DiscussionSPCChoctaw, Fayette, Greene, Hale, Lamar, Pickens and 2 more2 hr
Nov 29, 8:50 PM CSTTornado WatchSPCBibb, Blount, Fayette, Greene, Hale, Jefferson and 7 more8 hr
Nov 29, 9:28 PM CSTMesoscale DiscussionSPCCullman, DeKalb, Jackson, Lawrence, Limestone, Madison and 2 more62 min
Nov 29, 10:28 PM CSTTornado WatchSPCColbert, Cullman, DeKalb, Franklin, Jackson, Lauderdale and 5 more5 hr
Nov 29, 11:17 PM CSTMesoscale DiscussionSPCDeKalb, Jackson, Lawrence, Limestone, Madison, Morgan118 min
Nov 29, 11:37 PM CSTMesoscale DiscussionSPCFayette, Lamar, Pickens113 min
Nov 30, 1:07 AM CSTMesoscale DiscussionSPCBlount, Cullman, DeKalb, Fayette, Jackson, Madison and 5 more53 min
Nov 30, 2:54 AM CSTTornado WatchSPCBibb, Blount, Calhoun, Cherokee, Chilton, Cleburne and 22 more7 hr
Nov 30, 4:57 AM CSTTornado WatchSPCChoctaw, Clarke, Mobile, Washington7 hr
Nov 30, 5:10 AM CSTMesoscale DiscussionSPCBibb, Blount, Calhoun, Cherokee, Chilton, Clay and 27 more95 min
Nov 30, 9:00 AM CSTMesoscale DiscussionSPCAutauga, Baldwin, Bibb, Blount, Bullock, Butler and 37 more2 hr
Nov 30, 12:59 PM CSTMesoscale DiscussionSPCBarbour, Bullock, Coffee, Covington, Crenshaw, Dale and 7 more2 hr
Nov 30, 1:55 PM CSTMesoscale DiscussionSPCBarbour, Coffee, Covington, Dale, Geneva, Henry and 2 more2 hr
Nov 30, 4:45 PM CSTMesoscale DiscussionSPCBay, Calhoun, Franklin, Gadsden, Gulf, Jackson and 2 more30 min
Nov 29, 10:11 PM CSTTornado WatchSPCCatoosa, Chattooga, Dade, Walker, Whitfield5 hr
Nov 30, 2:23 PM CSTSevere Thunderstorm WatchSPCBaldwin, Bibb, Bleckley, Columbia, Crisp, Dooly and 22 more3 hr
Nov 30, 4:43 PM CSTMesoscale DiscussionSPCColumbia, Elbert, Glascock, Hancock, Lincoln, McDuffie and 5 more92 min

Nearby

Tornado Watches in Georgia, 2016Tornado Watches in Alabama, 2016Tornado Watches in Florida, 2016Every tornado watch in 2016

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.