Alert archive / Georgia / Tornado Watches in 2016

Tornado Watch 23

February 23, 201611 counties in Alabama; 20 counties in Florida; 26 counties in Georgia

The Storm Prediction Center issued this tornado watch at Feb 23, 2016, 8:08 PM CST for 11 counties in Alabama; 20 counties in Florida; 26 counties in Georgia. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued
Feb 23, 2016, 8:08 PM CST (02:08 UTC)
Expired
Feb 24, 2016, 5:00 AM CST
In force
9 hr
Issued by
the Storm Prediction Center
Largest hail expected
1 in
Strongest gust expected
60 kt
All 57 counties

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, Monroe County, AL, Bay County, FL, Calhoun County, FL, Dixie 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, Ben Hill County, GA, Berrien County, GA, Brooks County, GA, Calhoun County, GA, Clay County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Irwin County, GA, Lanier County, GA, Lee County, GA, Lowndes County, GA, Miller County, GA, Mitchell County, GA, Quitman County, GA, Randolph County, GA, Seminole County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Worth County, GA

The radar

The Eglin Afb radar (KEVX), 58 km from the middle of the area, began a volume at 02:08 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
40%
One or more gusts of 65 knots or more
10%
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
60%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Feb 23, 8:09 PM CSTSevere Thunderstorm WarningMOBBaldwin, Clarke, Mobile, Monroe, Washington39 min
Feb 23, 8:12 PM CSTTornado Warning Considerable damage threatMOBEscambia, Santa Rosa33 min
Feb 23, 8:30 PM CSTFlash Flood WarningMOBEscambia2 hr
Feb 23, 8:31 PM CSTSevere Thunderstorm WarningMOBOkaloosa29 min
Feb 23, 8:32 PM CSTSevere Thunderstorm WarningTAEGeneva43 min
Feb 23, 8:39 PM CSTTornado WarningMOBOkaloosa36 min
Feb 23, 8:43 PM CSTTornado WarningMOBOkaloosa, Santa Rosa32 min
Feb 23, 8:48 PM CSTTornado WarningTAEWalton27 min
Feb 23, 9:08 PM CSTSevere Thunderstorm WarningMOBCovington22 min
Feb 23, 9:09 PM CSTSevere Thunderstorm WarningTAEGeneva51 min
Feb 23, 9:09 PM CSTTornado WarningMOBOkaloosa21 min
Feb 23, 9:29 PM CSTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa46 min
Feb 23, 9:32 PM CSTFlash Flood WarningMOBOkaloosa3 hr
Feb 23, 9:50 PM CSTSevere Thunderstorm WarningTAECoffee, Dale, Geneva, Houston40 min
Feb 23, 10:00 PM CSTSevere Thunderstorm WarningTAEHolmes, Walton, Washington60 min
Feb 23, 10:14 PM CSTTornado WarningTAEDale, Geneva, Henry, Houston46 min
Feb 23, 10:25 PM CSTSevere Thunderstorm WarningTAEDale, Geneva, Henry, Houston65 min
Feb 23, 10:48 PM CSTTornado Warning Tornado observedTAEHenry30 min
Feb 23, 10:52 PM CSTSevere Thunderstorm WarningTAEBay, Holmes, Jackson, Walton, Washington83 min
Feb 23, 10:54 PM CSTSevere Thunderstorm WarningTAEHenry, Houston51 min
Feb 23, 11:10 PM CSTTornado WarningTAEHenry25 min
Feb 23, 11:19 PM CSTSevere Thunderstorm WarningTAEBaker, Calhoun, Clay, Dougherty, Early, Miller and 2 more56 min
Feb 23, 11:22 PM CSTTornado WarningTAEBay38 min
Feb 23, 11:38 PM CSTSevere Thunderstorm WarningTAEHenry, Houston67 min
Feb 23, 11:47 PM CSTSevere Thunderstorm WarningTAEBay, Calhoun, Gadsden, Gulf, Jackson, Liberty and 1 more88 min
Feb 23, 11:50 PM CSTSevere Thunderstorm WarningTAEDougherty, Lee, Terrell, Worth25 min
Feb 23, 11:52 PM CSTTornado WarningTAECalhoun, Dougherty, Lee, Terrell, Worth38 min
Feb 24, 12:10 AM CSTSevere Thunderstorm WarningTAEBaker, Calhoun, Colquitt, Dougherty, Early, Lee and 4 more65 min
Feb 24, 12:12 AM CSTTornado WarningTAEDecatur, Early, Miller, Seminole48 min
Feb 24, 12:15 AM CSTTornado WarningTAECalhoun, Jackson, Liberty17 min
Feb 24, 12:25 AM CSTTornado WarningTAEBaker, Calhoun, Dougherty35 min
Feb 24, 12:41 AM CSTSevere Thunderstorm WarningTAEBaker, Colquitt, Decatur, Early, Grady, Miller and 2 more49 min
Feb 24, 12:43 AM CSTTornado WarningTAEBaker, Early, Miller, Mitchell31 min
Feb 24, 12:48 AM CSTSevere Thunderstorm WarningTAEBen Hill, Turner27 min
Feb 24, 12:49 AM CSTSevere Thunderstorm WarningTAECalhoun, Franklin, Gadsden, Gulf, Jackson, Leon and 2 more86 min
Feb 24, 1:03 AM CSTTornado WarningTAEDougherty, Lee, Worth27 min
Feb 24, 1:09 AM CSTTornado WarningTAEBaker, Dougherty, Mitchell, Worth20 min
Feb 24, 1:12 AM CSTSevere Thunderstorm WarningTAEBaker, Ben Hill, Calhoun, Colquitt, Dougherty, Early and 6 more63 min
Feb 24, 1:21 AM CSTSevere Thunderstorm WarningTAEBaker, Colquitt, Decatur, Grady, Miller, Mitchell and 1 more54 min
Feb 24, 1:28 AM CSTSevere Thunderstorm WarningTAEFranklin, Liberty, Wakulla62 min
Feb 24, 1:42 AM CSTTornado WarningTAEBen Hill, Dougherty, Lee, Turner, Worth29 min
Feb 24, 1:43 AM CSTTornado WarningTAEGrady32 min
Feb 24, 1:59 AM CSTSevere Thunderstorm WarningTAEColquitt, Grady, Mitchell, Thomas46 min
Feb 24, 2:05 AM CSTSevere Thunderstorm WarningTAEFranklin, Gadsden, Jefferson, Leon, Liberty, Wakulla55 min
Feb 24, 2:12 AM CSTTornado WarningTAEBen Hill, Turner19 min
Feb 24, 2:37 AM CSTSevere Thunderstorm WarningTAEBerrien, Brooks, Colquitt, Cook, Lowndes, Thomas53 min
Feb 24, 2:55 AM CSTSevere Thunderstorm WarningTAEJefferson, Leon, Madison, Taylor, Wakulla80 min
Feb 24, 3:29 AM CSTSevere Thunderstorm WarningTAEBerrien, Irwin, Tift27 min
Feb 24, 3:42 AM CSTSevere Thunderstorm WarningTAELafayette, Madison, Taylor48 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 00:00Z, 2.1 hours before the alert went out and 199 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 00:00Z on 2016-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 100 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 00:00Z on 2016-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 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
100 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
605 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

254 
WWUS20 KWNS 240206
SEL3  
SPC WW 240206
ALZ000-FLZ000-GAZ000-CWZ000-240900-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 23
NWS STORM PREDICTION CENTER NORMAN OK
810 PM CST TUE FEB 23 2016

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  SOUTHEAST ALABAMA
  FLORIDA PANHANDLE
  SOUTHWEST GEORGIA
  COASTAL WATERS

* EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 810 PM
  UNTIL 300 AM CST.

* PRIMARY THREATS INCLUDE...
  A FEW TORNADOES POSSIBLE
  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

SUMMARY...STRONG TO SEVERE THUNDERSTORMS ARE LIKELY TO SPREAD ACROSS
THE WATCH AREA TONIGHT...WITH A RISK OF LOCALLY DAMAGING WINDS AND A
FEW TORNADOES.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 30 MILES NORTHWEST OF
PENSACOLA FLORIDA TO 50 MILES EAST OF MARIANNA FLORIDA.  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 20...WW 21...WW 22...

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 450.
MEAN STORM MOTION VECTOR 24040.


...HART

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 23, 7:23 PM CSTMesoscale DiscussionSPCBibb, Fayette, Greene, Hale, Marengo, Pickens and 2 more37 min
Feb 23, 9:07 PM CSTMesoscale DiscussionSPCBarbour, Bullock, Chambers, Clay, Coffee, Covington and 13 more53 min
Feb 23, 6:51 PM CSTMesoscale DiscussionSPCEscambia54 min
Feb 24, 12:44 AM CSTMesoscale DiscussionSPCFranklin, Gadsden, Hamilton, Jefferson, Leon, Liberty and 2 more2 hr
Feb 24, 2:58 AM CSTTornado WatchSPCAlachua, Baker, Bradford, Citrus, Columbia, Gilchrist and 12 more6 hr
Feb 24, 5:48 AM CSTMesoscale DiscussionSPCAlachua, Baker, Bradford, Citrus, Clay, Columbia and 7 more87 min
Feb 24, 7:36 AM CSTMesoscale DiscussionSPCCharlotte, Clay, DeSoto, Hardee, Hernando, Highlands and 11 more84 min
Feb 24, 10:42 AM CSTMesoscale DiscussionSPCBrevard, Charlotte, Collier, DeSoto, Glades, Hardee and 18 more63 min
Feb 23, 11:14 PM CSTTornado WatchSPCBibb, Bleckley, Chattahoochee, Crawford, Crisp, Dodge and 27 more6 hr
Feb 24, 7:14 AM CSTMesoscale DiscussionSPCBanks, Barrow, Dawson, Fannin, Forsyth, Franklin and 12 more2 hr

Nearby

Tornado Watches in Georgia, 2016Tornado Watches in Florida, 2016Tornado Watches in Alabama, 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.