Alert archive / Georgia / Tornado Watches in 2021

Tornado Watch 285

June 19, 202116 counties in Alabama; 8 counties in Florida; 19 counties in Georgia

The Storm Prediction Center issued this tornado watch at Jun 19, 2021, 9:33 AM CDT for 16 counties in Alabama; 8 counties in Florida; 19 counties in Georgia. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued
Jun 19, 2021, 9:33 AM CDT (14:33 UTC)
Expired
Jun 19, 2021, 7:00 PM CDT
In force
9 hr
Issued by
the Storm Prediction Center
Largest hail expected
0.5 in
Strongest gust expected
60 kt
All 43 counties

Barbour County, AL, Bullock County, AL, Butler County, AL, Coffee County, AL, Covington County, AL, Crenshaw County, AL, Dale 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, Bay County, FL, Calhoun County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Okaloosa County, FL, Walton County, FL, Washington County, FL, Calhoun County, GA, Chattahoochee County, GA, Clay County, GA, Early County, GA, Harris County, GA, Macon County, GA, Marion County, GA, Miller County, GA, Muscogee County, GA, Quitman County, GA, Randolph County, GA, Schley County, GA, Seminole County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taylor County, GA, Terrell County, GA, Webster County, GA

The radar

The Ft Rucker radar (KEOX), 2 km from the middle of the area, began a volume at 14:32 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
20%
One or more gusts of 65 knots or more
10%
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
30%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 19, 9:36 AM CDTTornado WarningTAEWashington8 min
Jun 19, 10:30 AM CDTFlash Flood WarningMOBEscambia, Okaloosa, Santa Rosa5 hr
Jun 19, 11:15 AM CDTSevere Thunderstorm WarningMOBCovington45 min
Jun 19, 11:47 AM CDTTornado WarningTAEHouston28 min
Jun 19, 12:07 PM CDTTornado WarningTAEEarly43 min
Jun 19, 12:39 PM CDTTornado Warning Tornado observedTAEClay, Randolph53 min
Jun 19, 12:52 PM CDTSevere Thunderstorm WarningTAEBay, Walton, Washington38 min
Jun 19, 12:54 PM CDTSevere Thunderstorm WarningMOBOkaloosa36 min
Jun 19, 1:00 PM CDTTornado WarningMOBCovington30 min
Jun 19, 1:01 PM CDTSevere Thunderstorm WarningTAEWalton44 min
Jun 19, 1:19 PM CDTTornado WarningMOBCovington12 min
Jun 19, 1:21 PM CDTTornado WarningTAERandolph33 min
Jun 19, 1:25 PM CDTSevere Thunderstorm WarningTAEHolmes, Walton, Washington50 min
Jun 19, 1:31 PM CDTSevere Thunderstorm WarningTAECoffee, Geneva44 min
Jun 19, 1:44 PM CDTSevere Thunderstorm WarningFFCStewart, Webster46 min
Jun 19, 1:49 PM CDTSevere Thunderstorm WarningTAECoffee, Dale, Geneva, Houston26 min
Jun 19, 1:50 PM CDTFlash Flood WarningMOBOkaloosa2 hr
Jun 19, 2:02 PM CDTSevere Thunderstorm WarningTAEBay43 min
Jun 19, 2:09 PM CDTTornado WarningTAEBay36 min
Jun 19, 2:13 PM CDTSevere Thunderstorm WarningTAECoffee, Dale, Geneva, Houston62 min
Jun 19, 2:27 PM CDTTornado WarningBMXBarbour33 min
Jun 19, 2:52 PM CDTTornado WarningBMXBarbour, Bullock13 min
Jun 19, 6:17 PM CDTSevere Thunderstorm WarningTAEHolmes, Walton, Washington43 min
Jun 19, 6:55 PM CDTSevere Thunderstorm WarningTAEGeneva, Henry, Houston50 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, 2.6 hours before the alert went out and 160 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 2021-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1367 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, Tallahassee Rgnl, FL at 12:00Z on 2021-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 square meters per square second.193958Sfc1 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
1367 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
747 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
315 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.7

Open this sounding in Storm Lab

The text

As transmitted.

989 
WWUS20 KWNS 191430
SEL5  
SPC WW 191430
ALZ000-FLZ000-GAZ000-CWZ000-200000-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 285
NWS Storm Prediction Center Norman OK
935 AM CDT Sat Jun 19 2021

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Southeast Alabama
  Florida Panhandle
  Southwest Georgia
  Coastal Waters

* Effective this Saturday morning and evening from 935 AM until
  700 PM CDT.

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

SUMMARY...Scattered thunderstorms associated with Tropical Storm
Claudette will pose a risk of brief tornadoes and damaging winds
through the afternoon across the watch area.

The tornado watch area is approximately along and 60 statute miles
east and west of a line from 10 miles east of Auburn AL to 45 miles
southwest of Panama City FL. For a complete depiction of the watch
see the associated watch outline update (WOUS64 KWNS WOU5).

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 284...

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 500. Mean
storm motion vector 18035.

...Hart

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 19, 1:08 AM CDTMesoscale DiscussionSPCBaldwin, Escambia, Mobile3 hr
Jun 19, 1:40 AM CDTTornado WatchSPCBaldwin, Butler, Conecuh, Covington, Crenshaw, Escambia and 3 more9 hr
Jun 19, 8:33 AM CDTMesoscale DiscussionSPCButler, Coffee, Conecuh, Covington, Crenshaw, Dale and 3 more57 min
Jun 19, 6:22 PM CDTMesoscale DiscussionSPCBarbour, Bullock, Dale, Geneva, Henry, Houston and 2 more83 min
Jun 19, 1:13 PM CDTMesoscale DiscussionSPCCalhoun, Clay, Early, Randolph62 min
Jun 19, 3:33 PM CDTMesoscale DiscussionSPCBen Hill, Clay, Coffee, Crisp, Dodge, Dooly and 15 more87 min

Nearby

Tornado Watches in Georgia, 2021Tornado Watches in Alabama, 2021Tornado Watches in Florida, 2021Every tornado watch in 2021

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.