Alert archive / Georgia / Tornado Watches in 2019

Tornado Watch 3

January 19, 201913 counties in Alabama; 10 counties in Florida; 36 counties in Georgia

The Storm Prediction Center issued this tornado watch at Jan 19, 2019, 3:21 PM CST for 13 counties in Alabama; 10 counties in Florida; 36 counties in Georgia. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jan 19, 2019, 3:21 PM CST (21:21 UTC)
Expired
Jan 19, 2019, 9:20 PM CST
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
0.5 in
Strongest gust expected
60 kt
All 59 counties

Barbour County, AL, Bullock County, AL, Chambers County, AL, Coffee County, AL, Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Lee County, AL, Macon County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Bay County, FL, Calhoun County, FL, Gadsden County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Leon County, FL, Liberty County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Calhoun County, GA, Chattahoochee County, GA, Clay County, GA, Colquitt County, GA, Coweta County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Fayette County, GA, Grady County, GA, Harris County, GA, Heard County, GA, Lee County, GA, Marion County, GA, Meriwether County, GA, Miller County, GA, Mitchell County, GA, Muscogee County, GA, Pike County, GA, Quitman County, GA, Randolph County, GA, Schley County, GA, Seminole County, GA, Spalding County, GA, Stewart County, GA, Talbot County, GA, Taylor County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Troup County, GA, Turner County, GA, Upson County, GA, Webster County, GA, Worth County, GA

The radar

The Ft Rucker radar (KEOX), 66 km from the middle of the area, began a volume at 21:25 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
20%
Ten or more severe hail reports
5%
One or more hailstones of 2 inches or more
5%
Six or more combined severe hail and wind reports
50%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jan 19, 4:27 PM CSTTornado WarningBMXBullock, Macon, Russell29 min
Jan 19, 4:39 PM CSTSevere Thunderstorm WarningBMXLee, Russell36 min
Jan 19, 4:51 PM CSTSevere Thunderstorm WarningTAECoffee, Dale, Geneva69 min
Jan 19, 4:53 PM CSTSevere Thunderstorm WarningFFCHarris, Muscogee37 min
Jan 19, 4:54 PM CSTTornado WarningBMXLee, Russell11 min
Jan 19, 4:59 PM CSTTornado WarningTAEQuitman13 min
Jan 19, 5:24 PM CSTSevere Thunderstorm WarningTAEBay, Walton, Washington66 min
Jan 19, 5:45 PM CSTSevere Thunderstorm WarningTAEDale, Henry, Houston60 min
Jan 19, 6:06 PM CSTSevere Thunderstorm WarningTAEJackson54 min
Jan 19, 6:30 PM CSTSevere Thunderstorm WarningTAEBay, Calhoun, Gadsden, Gulf, Liberty60 min
Jan 19, 6:55 PM CSTSevere Thunderstorm WarningTAECalhoun, Clay, Dougherty, Early, Lee, Randolph and 1 more42 min
Jan 19, 7:08 PM CSTTornado WarningTAEGadsden18 min
Jan 19, 7:45 PM CSTSevere Thunderstorm WarningTAEDecatur, Grady, Thomas60 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, 9.4 hours before the alert went out and 165 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 2019-01-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2019-01-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
442 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
244 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

778 
WWUS20 KWNS 192117
SEL3  
SPC WW 192117
ALZ000-FLZ000-GAZ000-CWZ000-200300-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 3
NWS Storm Prediction Center Norman OK
420 PM EST Sat Jan 19 2019

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  East central and southeastern Alabama
  The eastern Florida Panhandle
  West central and southwestern Georgia
  Coastal Waters

* Effective this Saturday afternoon and evening from 420 PM until
  1000 PM EST.

* Primary threats include...
  A few tornadoes possible
  Scattered damaging wind gusts to 70 mph possible

SUMMARY...A band of severe storms in Alabama, with a history of
several tornadoes, will continue eastward into western Georgia this
evening.  Farther south, more isolated storms in the northeastern
Gulf of Mexico could maintain intensity and reach the eastern
Florida Panhandle in the next couple of hours.  The strongest storms
will continue to pose a threat for tornadoes and damaging wind gusts
through late evening.

The tornado watch area is approximately along and 55 statute miles
east and west of a line from 20 miles northeast of La Grange GA to
40 miles south southeast 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 2...

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 0.5 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 400. Mean
storm motion vector 24040.

...Thompson

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 19, 9:08 AM CSTMesoscale DiscussionSPCBibb, Choctaw, Clarke, Dallas, Greene, Hale and 7 more2 hr
Jan 19, 9:43 AM CSTTornado WatchSPCAutauga, Baldwin, Bibb, Butler, Chilton, Choctaw and 25 more7 hr
Jan 19, 11:37 AM CSTMesoscale DiscussionSPCAutauga, Baldwin, Bibb, Butler, Chilton, Choctaw and 19 more83 min
Jan 19, 5:38 PM CSTMesoscale DiscussionSPCBarbour, Bullock, Chambers, Coffee, Covington, Crenshaw and 10 more97 min

Nearby

Tornado Watches in Georgia, 2019Tornado Watches in Alabama, 2019Tornado Watches in Florida, 2019Every tornado watch in 2019

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.