Alert archive / Georgia / Tornado Watches in 2014

Tornado Watch 67

April 7, 201418 counties in Alabama; 19 counties in Florida; 73 counties in Georgia

The Storm Prediction Center issued this tornado watch at Apr 7, 2014, 7:46 AM CDT for 18 counties in Alabama; 19 counties in Florida; 73 counties in Georgia. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Apr 7, 2014, 7:46 AM CDT (12:46 UTC)
Expired
Apr 7, 2014, 3:00 PM CDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
1 in
Strongest gust expected
60 kt
All 110 counties

Baldwin County, AL, Barbour County, AL, Bullock County, AL, Butler County, AL, Coffee County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Escambia 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, Bay County, FL, Calhoun County, FL, Escambia County, FL, Franklin County, FL, Gadsden County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Okaloosa County, FL, Santa Rosa County, FL, Taylor County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Baldwin County, GA, Ben Hill County, GA, Berrien County, GA, Bibb County, GA, Bleckley County, GA, Brooks County, GA, Butts County, GA, Calhoun County, GA, Chattahoochee County, GA, Clay County, GA, Colquitt County, GA, Cook County, GA, Crawford County, GA, Crisp County, GA, Decatur County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Early County, GA, Emanuel County, GA, Glascock County, GA, Grady County, GA, Hancock County, GA, Harris County, GA, Houston County, GA, Irwin County, GA, Jasper County, GA, Jefferson County, GA, Johnson County, GA, Jones County, GA, Lamar County, GA, Lanier County, GA, Laurens County, GA, Lee County, GA, Lowndes County, GA, Macon County, GA, Marion County, GA, Meriwether County, GA, Miller County, GA, Mitchell County, GA, Monroe County, GA, Montgomery County, GA, Muscogee County, GA, Peach County, GA, Pike County, GA, Pulaski County, GA, Putnam County, GA, Quitman County, GA, Randolph County, GA, Schley County, GA, Seminole County, GA, Spalding County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taylor County, GA, Telfair County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Turner County, GA, Twiggs County, GA, Upson County, GA, Warren County, GA, Washington County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkinson County, GA, Worth County, GA

The radar

The Ft Rucker radar (KEOX), 56 km from the middle of the area, began a volume at 12:49 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
20%
Ten or more severe wind reports
60%
One or more gusts of 65 knots or more
5%
Ten or more severe hail reports
10%
One or more hailstones of 2 inches or more
5%
Six or more combined severe hail and wind reports
90%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 7, 8:09 AM CDTSevere Thunderstorm WarningBMXBarbour, Bullock, Macon66 min
Apr 7, 8:20 AM CDTSevere Thunderstorm WarningMOBCovington, Escambia55 min
Apr 7, 8:32 AM CDTSevere Thunderstorm WarningBMXLee, Russell58 min
Apr 7, 8:38 AM CDTSevere Thunderstorm WarningBMXBarbour52 min
Apr 7, 8:40 AM CDTSevere Thunderstorm WarningMOBCovington65 min
Apr 7, 9:47 AM CDTSevere Thunderstorm WarningMOBOkaloosa28 min
Apr 7, 10:29 AM CDTFlash Flood WarningFFCHarris, Muscogee, Talbot, Taylor, Upson6 hr
Apr 7, 12:39 PM CDTSevere Thunderstorm WarningTAEBen Hill, Irwin, Tift, Turner51 min
Apr 7, 12:40 PM CDTFlash Flood WarningTAESeminole3 hr
Apr 7, 12:49 PM CDTTornado WarningTAEBerrien, Irwin, Tift26 min
Apr 7, 1:09 PM CDTTornado WarningTAEIrwin36 min
Apr 7, 1:13 PM CDTSevere Thunderstorm WarningFFCTelfair, Wheeler47 min
Apr 7, 1:55 PM CDTFlash Flood WarningTAEDecatur, Grady3 hr
Apr 7, 2:07 PM CDTSevere Thunderstorm WarningTAEFranklin, Gulf38 min
Apr 7, 2:44 PM CDTSevere Thunderstorm WarningTAEFranklin, Gulf, Liberty31 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 0.8 hours before the alert went out and 173 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, Tallahassee Rgnl, FL at 12:00Z on 2014-04-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 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, Tallahassee Rgnl, FL at 12:00Z on 2014-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 283 square meters per square second.1939587897Sfc1 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
7 J/kg
Mixed-layer CIN
-158 J/kg
Mixed-layer LCL
1052 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
283 m²/s²
0-3 km storm-relative helicity
339 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

134 
WWUS20 KWNS 071244
SEL7  
SPC WW 071244
ALZ000-FLZ000-GAZ000-CWZ000-072000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 67
NWS STORM PREDICTION CENTER NORMAN OK
845 AM EDT MON APR 7 2014

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  SOUTHEASTERN ALABAMA
  THE FLORIDA PANHANDLE
  SOUTHERN AND CENTRAL GEORGIA
  COASTAL WATERS

* EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 845 AM UNTIL
  400 PM EDT.

* PRIMARY THREATS INCLUDE...
  SEVERAL TORNADOES POSSIBLE
  SEVERAL DAMAGING WIND GUSTS TO 70 MPH LIKELY

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 95 STATUTE
MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH NORTHEAST OF
MACON GEORGIA TO 65 MILES SOUTH SOUTHEAST OF PENSACOLA FLORIDA. 
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU7).

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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 66. WATCH NUMBER 66 WILL NOT BE IN EFFECT AFTER 845
AM EDT. 

DISCUSSION...BROKEN SW-NE SQLN OVER SE AL/WRN FL PANHANDLE EXPECTED
TO CONTINUE SLOWLY EWD WHILE STORMS MOVE MORE RAPIDLY NEWD WITHIN
IT. STRENGTH OF DEEP SHEAR AND QUALITY OF MOISTURE INFLOW...COUPLED
WITH ONSET OF DAYTIME HEATING..SUGGEST A CONTINUED RISK FOR EMBEDDED
SUPERCELLS/SMALL-SCALE BOWING SEGMENTS WITH AN ATTENDANT RISK FOR
DMGG WIND AND OCCASIONAL TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 23040.


...CORFIDI

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 6, 8:02 PM CDTMesoscale DiscussionSPCAutauga, Bibb, Chilton, Coosa, Dallas, Elmore and 14 more118 min
Apr 6, 10:10 PM CDTMesoscale DiscussionSPCBaldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 8 more2 hr
Apr 6, 11:42 PM CDTMesoscale DiscussionSPCAutauga, Bibb, Chilton, Coosa, Dallas, Elmore and 10 more2 hr
Apr 7, 12:50 AM CDTMesoscale DiscussionSPCAutauga, Baldwin, Bibb, Bullock, Butler, Chambers and 32 more25 min
Apr 7, 1:16 AM CDTTornado WatchSPCAutauga, Baldwin, Barbour, Bibb, Bullock, Butler and 37 more7 hr
Apr 7, 3:16 AM CDTMesoscale DiscussionSPCAutauga, Baldwin, Bibb, Butler, Chilton, Choctaw and 25 more119 min
Apr 7, 5:42 AM CDTMesoscale DiscussionSPCAutauga, Baldwin, Barbour, Bibb, Bullock, Butler and 40 more2 hr
Apr 7, 10:04 AM CDTMesoscale DiscussionSPCDale, Geneva, Henry, Houston116 min
Apr 7, 12:45 PM CDTMesoscale DiscussionSPCAlachua, Baker, Bradford, Columbia, Dixie, Duval and 10 more60 min
Apr 7, 1:02 PM CDTTornado WatchSPCHamilton, Suwannee7 hr
Apr 7, 2:00 PM CDTMesoscale DiscussionSPCDixie, Franklin, Gadsden, Gulf, Jefferson, Lafayette and 5 more60 min
Apr 7, 2:33 PM CDTTornado WatchSPCDixie, Franklin, Gadsden, Gulf, Jefferson, Lafayette and 5 more6 hr

Nearby

Tornado Watches in Georgia, 2014Tornado Watches in Florida, 2014Tornado Watches in Alabama, 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.