Alert archive / Georgia / Tornado Watches in 2017

Tornado Watch 21

January 22, 201719 counties in Alabama; 33 counties in Florida; 106 counties in Georgia

The Storm Prediction Center issued this tornado watch at Jan 22, 2017, 11:47 AM CST for 19 counties in Alabama; 33 counties in Florida; 106 counties in Georgia. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jan 22, 2017, 11:47 AM CST (17:47 UTC)
Expired
Jan 22, 2017, 7:00 PM CST
In force
7 hr
Issued by
the Storm Prediction Center
Particularly dangerous situation
Yes
Largest hail expected
2 in
Strongest gust expected
70 kt
All 158 counties

Autauga County, AL, Barbour County, AL, Bullock County, AL, Chambers County, AL, Chilton 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, Lowndes County, AL, Macon County, AL, Montgomery County, AL, Pike County, AL, Russell County, AL, Tallapoosa County, AL, Alachua County, FL, Baker County, FL, Bay County, FL, Bradford County, FL, Calhoun County, FL, Clay County, FL, Columbia County, FL, Dixie County, FL, Duval County, FL, Flagler County, FL, Franklin County, FL, Gadsden County, FL, Gilchrist County, FL, Gulf County, FL, Hamilton County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Levy County, FL, Liberty County, FL, Madison County, FL, Marion County, FL, Nassau County, FL, Putnam County, FL, Saint Johns County, FL, Suwannee County, FL, Taylor County, FL, Union County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Baker County, GA, Baldwin County, GA, Ben Hill County, GA, Berrien County, GA, Bibb County, GA, Bleckley County, GA, Brantley County, GA, Brooks County, GA, Butts County, GA, Calhoun County, GA, Camden County, GA, Carroll County, GA, Charlton County, GA, Chattahoochee County, GA, Clay County, GA, Clayton County, GA, Clinch County, GA, Cobb County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Coweta County, GA, Crawford County, GA, Crisp County, GA, Decatur County, GA, DeKalb County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Douglas County, GA, Early County, GA, Echols County, GA, Emanuel County, GA, Fayette County, GA, Fulton County, GA, Glascock County, GA, Glynn County, GA, Grady County, GA, Greene County, GA, Gwinnett County, GA, Hancock County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Houston County, GA, Irwin County, GA, Jasper County, GA, Jeff Davis 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, Morgan County, GA, Muscogee County, GA, Newton County, GA, Paulding County, GA, Peach County, GA, Pierce County, GA, Pike County, GA, Pulaski County, GA, Putnam 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, Taliaferro County, GA, Taylor County, GA, Telfair County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Troup County, GA, Turner County, GA, Twiggs County, GA, Upson County, GA, Walton County, GA, Ware County, GA, Warren County, GA, Washington County, GA, Wayne County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkinson County, GA, Worth County, GA

The radar

The Ft Rucker radar (KEOX), 108 km from the middle of the area, began a volume at 17:50 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
90%
One or more EF2 to EF5 tornadoes
90%
Ten or more severe wind reports
90%
One or more gusts of 65 knots or more
90%
Ten or more severe hail reports
90%
One or more hailstones of 2 inches or more
90%
Six or more combined severe hail and wind reports
95%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jan 22, 11:53 AM CSTTornado WarningJAXBrantley, Pierce, Ware, Wayne24 min
Jan 22, 11:57 AM CSTSevere Thunderstorm WarningBMXAutauga, Chilton, Dallas, Lowndes63 min
Jan 22, 12:03 PM CSTSevere Thunderstorm WarningJAXBrantley, Charlton, Clinch, Ware27 min
Jan 22, 12:04 PM CSTTornado WarningBMXAutauga20 min
Jan 22, 12:06 PM CSTSevere Thunderstorm WarningJAXBrantley, Glynn, Pierce, Ware, Wayne39 min
Jan 22, 12:12 PM CSTSevere Thunderstorm WarningTAECoffee, Dale, Geneva, Henry, Houston48 min
Jan 22, 12:12 PM CSTSevere Thunderstorm WarningTAEBay, Holmes, Walton, Washington48 min
Jan 22, 12:20 PM CSTSevere Thunderstorm WarningJAXDuval40 min
Jan 22, 12:22 PM CSTTornado WarningJAXBrantley, Camden, Glynn38 min
Jan 22, 12:23 PM CSTTornado WarningTAEDale, Geneva, Houston37 min
Jan 22, 12:32 PM CSTSevere Thunderstorm WarningBMXCoosa, Elmore, Montgomery58 min
Jan 22, 12:34 PM CSTTornado WarningTAEBay, Gulf41 min
Jan 22, 12:34 PM CSTFlash Flood WarningFFCMontgomery, Telfair, Toombs, Wheeler6 hr
Jan 22, 12:39 PM CSTSevere Thunderstorm WarningTAEHolmes, Jackson, Washington34 min
Jan 22, 12:43 PM CSTFlash Flood WarningJAXAppling, Jeff Davis6 hr
Jan 22, 12:52 PM CSTTornado WarningTAEBay23 min
Jan 22, 12:55 PM CSTSevere Thunderstorm WarningTAEHolmes, Jackson, Washington21 min
Jan 22, 12:56 PM CSTSevere Thunderstorm WarningBMXBullock, Macon, Pike64 min
Jan 22, 12:56 PM CSTTornado WarningTAEHenry, Houston34 min
Jan 22, 12:59 PM CSTSevere Thunderstorm WarningTAEDale, Geneva, Henry, Houston46 min
Jan 22, 1:08 PM CSTTornado WarningBMXBullock19 min
Jan 22, 1:08 PM CSTTornado WarningTAEBay, Calhoun, Gulf, Liberty11 min
Jan 22, 1:20 PM CSTTornado WarningTAEHenry25 min
Jan 22, 1:24 PM CSTTornado WarningBMXMacon19 min
Jan 22, 1:34 PM CSTSevere Thunderstorm WarningJAXDuval, Nassau26 min
Jan 22, 1:35 PM CSTTornado WarningTAECalhoun, Gadsden, Liberty8 min
Jan 22, 1:35 PM CSTTornado WarningTAEFranklin, Gulf25 min
Jan 22, 1:39 PM CSTTornado WarningTAEHouston36 min
Jan 22, 1:41 PM CSTSevere Thunderstorm WarningBMXChambers, Lee, Randolph, Tallapoosa64 min
Jan 22, 1:42 PM CSTTornado Warning Tornado observedTAECalhoun, Clay, Randolph, Terrell27 min
Jan 22, 1:48 PM CSTTornado WarningBMXLee27 min
Jan 22, 1:50 PM CSTTornado WarningTAELiberty, Wakulla25 min
Jan 22, 1:53 PM CSTTornado Warning Tornado observedTAEFranklin, Liberty, Wakulla20 min
Jan 22, 2:03 PM CSTSevere Thunderstorm WarningJAXClay, Duval, Saint Johns42 min
Jan 22, 2:08 PM CSTSevere Thunderstorm WarningTAEBaker, Calhoun, Dougherty, Early, Lee, Terrell and 1 more52 min
Jan 22, 2:10 PM CSTSevere Thunderstorm WarningTAELeon, Wakulla20 min
Jan 22, 2:15 PM CSTTornado Warning EmergencyTAEBaker, Dougherty, Lee, Turner, Worth30 min
Jan 22, 2:26 PM CSTSevere Thunderstorm WarningTAEJefferson, Leon, Wakulla34 min
Jan 22, 2:40 PM CSTTornado Warning Tornado observedTAEBen Hill, Turner, Worth35 min
Jan 22, 2:42 PM CSTTornado Warning EmergencyTornado observedConsiderable damage threatFFCCrisp, Wilcox48 min
Jan 22, 2:42 PM CSTTornado WarningTAEDougherty, Mitchell, Worth33 min
Jan 22, 2:43 PM CSTSevere Thunderstorm WarningJAXDuval, Saint Johns18 min
Jan 22, 2:46 PM CSTSevere Thunderstorm WarningFFCCarroll, Coweta, Heard, Troup44 min
Jan 22, 2:53 PM CSTSevere Thunderstorm WarningTAEJefferson, Madison37 min
Jan 22, 3:04 PM CSTSevere Thunderstorm WarningTAEBerrien, Brooks, Colquitt, Cook, Thomas, Tift26 min
Jan 22, 3:13 PM CSTTornado Warning Tornado observedConsiderable damage threatFFCDodge, Laurens, Telfair, Wheeler, Wilcox47 min
Jan 22, 3:13 PM CSTTornado WarningFFCBleckley, Laurens, Twiggs, Wilkinson32 min
Jan 22, 3:20 PM CSTSevere Thunderstorm WarningJAXFlagler, Saint Johns25 min
Jan 22, 3:23 PM CSTSevere Thunderstorm WarningTAEBrooks, Lanier, Lowndes37 min
Jan 22, 3:25 PM CSTSevere Thunderstorm WarningFFCCarroll, Douglas, Fulton13 min
Jan 22, 3:33 PM CSTSevere Thunderstorm WarningJAXAtkinson, Bacon, Clinch, Coffee, Jeff Davis42 min
Jan 22, 3:57 PM CSTSevere Thunderstorm WarningTAEDixie, Lafayette, Taylor18 min
Jan 22, 3:59 PM CSTSevere Thunderstorm WarningFFCDodge, Laurens31 min
Jan 22, 4:02 PM CSTSevere Thunderstorm WarningJAXBrantley, Pierce, Wayne28 min
Jan 22, 4:05 PM CSTSevere Thunderstorm WarningJAXJeff Davis23 min
Jan 22, 4:09 PM CSTSevere Thunderstorm WarningJAXBaker, Columbia, Hamilton, Suwannee, Union51 min
Jan 22, 4:13 PM CSTSevere Thunderstorm WarningJAXAppling, Atkinson, Bacon, Clinch, Coffee, Jeff Davis and 2 more32 min
Jan 22, 4:23 PM CSTSevere Thunderstorm WarningTBWLevy37 min
Jan 22, 4:27 PM CSTTornado WarningJAXAppling, Bacon, Pierce, Ware33 min
Jan 22, 4:28 PM CSTSevere Thunderstorm WarningJAXAlachua, Baker, Columbia, Gilchrist, Suwannee, Union48 min
Jan 22, 4:42 PM CSTSevere Thunderstorm WarningJAXAppling, Bacon, Pierce, Wayne48 min
Jan 22, 4:45 PM CSTSevere Thunderstorm WarningJAXBrantley, Charlton, Pierce, Ware, Wayne45 min
Jan 22, 4:50 PM CSTSevere Thunderstorm WarningJAXBaker, Columbia, Nassau40 min
Jan 22, 4:56 PM CSTTornado WarningJAXPierce, Wayne34 min
Jan 22, 4:59 PM CSTSevere Thunderstorm WarningJAXMarion46 min
Jan 22, 5:06 PM CSTSevere Thunderstorm WarningJAXAlachua, Baker, Bradford, Clay, Columbia, Duval and 7 more69 min
Jan 22, 5:06 PM CSTSevere Thunderstorm WarningTBWLevy24 min
Jan 22, 5:13 PM CSTTornado WarningJAXMarion32 min
Jan 22, 5:14 PM CSTTornado WarningJAXCamden, Charlton, Glynn31 min
Jan 22, 5:27 PM CSTSevere Thunderstorm WarningJAXBaker, Nassau48 min
Jan 22, 5:27 PM CSTTornado WarningJAXWayne21 min
Jan 22, 5:30 PM CSTSevere Thunderstorm WarningJAXNassau45 min
Jan 22, 5:38 PM CSTTornado WarningJAXMarion, Putnam37 min
Jan 22, 5:40 PM CSTSevere Thunderstorm WarningJAXFlagler, Marion, Putnam80 min
Jan 22, 5:45 PM CSTTornado WarningJAXCamden, Glynn29 min
Jan 22, 5:56 PM CSTTornado WarningJAXFlagler, Putnam34 min
Jan 22, 6:07 PM CSTTornado WarningJAXClay, Putnam, Saint Johns23 min
Jan 22, 6:15 PM CSTSevere Thunderstorm WarningJAXClay, Duval, Flagler, Nassau, Putnam, Saint Johns45 min
Jan 22, 6:25 PM CSTTornado WarningJAXFlagler13 min
Jan 22, 6:27 PM CSTTornado WarningJAXSaint Johns13 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, 5.8 hours before the alert went out and 139 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 2017-01-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 189 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2017-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 355 square meters per square second.1939587897117136Sfc1 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
189 J/kg
Mixed-layer CIN
-133 J/kg
Mixed-layer LCL
609 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
355 m²/s²
0-3 km storm-relative helicity
423 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted.

698 
WWUS20 KWNS 221744
SEL1  
SPC WW 221744
ALZ000-FLZ000-GAZ000-CWZ000-230100-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 21
NWS Storm Prediction Center Norman OK
1245 PM EST Sun Jan 22 2017

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Southeast Alabama
  North Florida
  Central and Southern Georgia
  Coastal Waters

* Effective this Sunday afternoon and evening from 1245 PM until
  800 PM EST.

...THIS IS A PARTICULARLY DANGEROUS SITUATION...

* Primary threats include...
  Several tornadoes and a few intense tornadoes likely
  Widespread damaging winds and scattered significant gusts to 80
    mph likely
  Widespread large hail and scattered very large hail events to 2
    inches in diameter likely

SUMMARY...An outbreak of severe storms and tornadoes is expected to
unfold over the watch area this afternoon.  Storms currently over AL
and the FL panhandle will track rapidly northeastward, posing a risk
of long-track significant tornadoes and widespread damaging winds.

The tornado watch area is approximately along and 140 statute miles
north and south of a line from 20 miles southwest of Troy AL to 30
miles south southeast of Vidalia GA. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU1).

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...

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2 inches. Extreme turbulence and surface wind
gusts to 70 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 24040.

...Hart

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 21, 6:05 PM CSTMesoscale DiscussionSPCMobile85 min
Jan 21, 6:51 PM CSTTornado Watch PDSSPCAutauga, Baldwin, Barbour, Bibb, Bullock, Butler and 36 more8 hr
Jan 21, 8:30 PM CSTMesoscale DiscussionSPCAutauga, Baldwin, Barbour, Bibb, Bullock, Butler and 34 more90 min
Jan 21, 9:57 PM CSTMesoscale DiscussionSPCAutauga, Barbour, Bibb, Bullock, Butler, Chilton and 29 more93 min
Jan 21, 11:49 PM CSTMesoscale DiscussionSPCAutauga, Barbour, Bibb, Bullock, Butler, Chilton and 30 more116 min
Jan 22, 1:55 AM CSTMesoscale DiscussionSPCHenry, Houston65 min
Jan 22, 2:20 AM CSTTornado WatchSPCHenry, Houston9 hr
Jan 22, 2:46 AM CSTMesoscale DiscussionSPCBarbour, Bullock, Chambers, Clay, Coosa, Crenshaw and 9 more119 min
Jan 22, 5:34 AM CSTMesoscale DiscussionSPCHouston86 min
Jan 22, 7:43 AM CSTMesoscale DiscussionSPCBaldwin, Barbour, Butler, Clarke, Coffee, Conecuh and 9 more2 hr
Jan 22, 8:06 AM CSTTornado WatchSPCBaldwin, Butler, Coffee, Conecuh, Covington, Crenshaw and 8 more5 hr
Jan 22, 9:16 AM CSTMesoscale DiscussionSPCEscambia59 min
Jan 22, 11:02 AM CSTMesoscale DiscussionSPCGeneva, Houston58 min
Jan 22, 12:31 PM CSTMesoscale DiscussionSPCBullock, Chambers, Elmore, Lee, Macon, Montgomery and 2 more59 min
Jan 22, 2:28 PM CSTMesoscale DiscussionSPCChambers, Clay, Lee, Randolph92 min
Jan 22, 6:11 AM CSTMesoscale DiscussionSPCBaker, Calhoun, Gadsden, Hamilton, Jackson, Jefferson and 4 more2 hr
Jan 22, 8:11 AM CSTMesoscale DiscussionSPCBaker, Columbia, Duval, Gadsden, Hamilton, Jefferson and 4 more64 min
Jan 22, 10:25 AM CSTMesoscale DiscussionSPCAlachua, Baker, Bay, Bradford, Calhoun, Clay and 20 more95 min
Jan 22, 12:36 PM CSTMesoscale DiscussionSPCBay, Calhoun, Franklin, Gadsden, Gulf, Jackson and 5 more54 min
Jan 22, 12:56 PM CSTMesoscale DiscussionSPCAlachua, Baker, Bradford, Clay, Columbia, Duval and 7 more94 min
Jan 22, 2:02 PM CSTMesoscale DiscussionSPCGadsden, Jefferson, Lafayette, Leon, Madison, Taylor and 1 more58 min
Jan 22, 3:12 PM CSTMesoscale DiscussionSPCDeSoto, Hardee, Highlands, Hillsborough, Lake, Manatee and 6 more63 min
Jan 22, 3:19 PM CSTMesoscale DiscussionSPCAlachua, Baker, Columbia, Dixie, Gilchrist, Hamilton and 5 more86 min
Jan 22, 3:35 PM CSTTornado Watch PDSSPCBrevard, Citrus, DeSoto, Hardee, Hernando, Highlands and 12 more5 hr
Jan 21, 11:06 PM CSTMesoscale DiscussionSPCAppling, Bacon, Ben Hill, Bibb, Bleckley, Brantley and 34 more54 min
Jan 22, 9:41 AM CSTMesoscale DiscussionSPCBaldwin, Bibb, Bleckley, Butts, Crawford, Dodge and 27 more94 min
Jan 22, 3:02 PM CSTMesoscale DiscussionSPCBryan, Bulloch, Burke, Candler, Chatham, Effingham and 8 more88 min
Jan 22, 3:25 PM CSTTornado Watch PDSSPCBryan, Bulloch, Burke, Candler, Chatham, Columbia and 10 more3 hr
Jan 22, 5:58 PM CSTMesoscale DiscussionSPCBrantley, Bryan, Bulloch, Burke, Candler, Chatham and 11 more92 min

Nearby

Tornado Watches in Georgia, 2017Tornado Watches in Florida, 2017Tornado Watches in Alabama, 2017Every tornado watch in 2017

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.