Alert archive / Georgia / Tornado Watches in 2020

Tornado Watch 32

February 6, 202017 counties in Florida; 20 counties in Georgia; 7 counties in South Carolina

The Storm Prediction Center issued this tornado watch at Feb 6, 2020, 5:30 PM EST for 17 counties in Florida; 20 counties in Georgia; 7 counties in South Carolina. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Feb 6, 2020, 5:30 PM EST (22:30 UTC)
Expired
Feb 7, 2020, 12:00 AM EST
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
1 in
Strongest gust expected
65 kt
All 44 counties

Alachua County, FL, Baker County, FL, Bradford County, FL, Citrus County, FL, Clay County, FL, Columbia County, FL, Duval County, FL, Flagler County, FL, Gilchrist County, FL, Hamilton County, FL, Levy County, FL, Marion County, FL, Nassau County, FL, Putnam County, FL, Saint Johns County, FL, Suwannee County, FL, Union County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Brantley County, GA, Bryan County, GA, Camden County, GA, Charlton County, GA, Chatham County, GA, Clinch County, GA, Coffee County, GA, Echols County, GA, Effingham County, GA, Glynn County, GA, Jeff Davis County, GA, Liberty County, GA, Long County, GA, McIntosh County, GA, Pierce County, GA, Ware County, GA, Wayne County, GA, Beaufort County, SC, Berkeley County, SC, Charleston County, SC, Colleton County, SC, Dorchester County, SC, Hampton County, SC, Jasper County, SC

The radar

The Charleston,SC radar (KCLX), 129 km from the middle of the area, began a volume at 22:30 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
40%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
60%
One or more gusts of 65 knots or more
30%
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
70%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Feb 6, 6:44 PM ESTSevere Thunderstorm WarningJAXAppling, Bacon, Coffee, Jeff Davis46 min
Feb 6, 6:59 PM ESTSevere Thunderstorm WarningJAXAtkinson, Bacon, Clinch, Coffee, Pierce, Ware46 min
Feb 6, 7:04 PM ESTSevere Thunderstorm WarningJAXHamilton, Suwannee56 min
Feb 6, 7:09 PM ESTSevere Thunderstorm WarningJAXAppling, Jeff Davis51 min
Feb 6, 7:16 PM ESTSevere Thunderstorm WarningJAXAppling, Bacon, Coffee, Jeff Davis44 min
Feb 6, 7:18 PM ESTSevere Thunderstorm WarningJAXClinch, Echols57 min
Feb 6, 7:34 PM ESTTornado WarningJAXAtkinson, Bacon, Clinch, Coffee, Pierce, Ware26 min
Feb 6, 7:42 PM ESTSevere Thunderstorm WarningJAXBaker, Columbia, Hamilton, Suwannee63 min
Feb 6, 7:52 PM ESTSevere Thunderstorm WarningJAXAppling, Atkinson, Bacon, Clinch, Coffee, Jeff Davis and 3 more38 min
Feb 6, 7:58 PM ESTSevere Thunderstorm WarningJAXAppling, Brantley, Charlton, Clinch, Glynn, Pierce and 2 more47 min
Feb 6, 8:00 PM ESTSevere Thunderstorm WarningJAXColumbia, Hamilton, Suwannee45 min
Feb 6, 8:29 PM ESTSevere Thunderstorm WarningJAXAppling, Bacon, Pierce, Wayne33 min
Feb 6, 8:33 PM ESTSevere Thunderstorm WarningTBWLevy57 min
Feb 6, 8:41 PM ESTSevere Thunderstorm WarningJAXAlachua, Baker, Columbia, Gilchrist, Hamilton, Suwannee and 1 more49 min
Feb 6, 8:45 PM ESTSevere Thunderstorm WarningJAXBrantley, Charlton, Clinch, Echols, Pierce, Ware45 min
Feb 6, 8:51 PM ESTTornado WarningJAXBaker, Columbia, Hamilton39 min
Feb 6, 8:55 PM ESTSevere Thunderstorm WarningJAXAlachua, Gilchrist50 min
Feb 6, 9:07 PM ESTSevere Thunderstorm WarningJAXBrantley, Glynn, Pierce, Wayne38 min
Feb 6, 9:18 PM ESTSevere Thunderstorm WarningJAXBrantley, Camden, Charlton, Glynn, Wayne42 min
Feb 6, 9:22 PM ESTSevere Thunderstorm WarningJAXAlachua, Baker, Bradford, Clay, Duval, Gilchrist and 3 more38 min
Feb 6, 9:28 PM ESTSevere Thunderstorm WarningJAXNassau47 min
Feb 6, 9:28 PM ESTSevere Thunderstorm WarningTBWCitrus, Levy47 min
Feb 6, 9:34 PM ESTSevere Thunderstorm WarningJAXAlachua, Marion41 min
Feb 6, 9:54 PM ESTSevere Thunderstorm WarningJAXNassau51 min
Feb 6, 9:56 PM ESTSevere Thunderstorm WarningJAXAlachua, Bradford, Clay, Duval, Nassau, Putnam and 1 more49 min
Feb 6, 10:02 PM ESTSevere Thunderstorm WarningTBWCitrus, Hernando, Hillsborough, Levy, Pasco, Pinellas and 1 more58 min
Feb 6, 10:11 PM ESTSevere Thunderstorm WarningJAXAlachua, Marion, Putnam49 min
Feb 6, 10:42 PM ESTSevere Thunderstorm WarningJAXClay, Duval, Nassau, Putnam, Saint Johns48 min
Feb 6, 10:57 PM ESTSevere Thunderstorm WarningJAXFlagler, Marion, Putnam, Saint Johns63 min
Feb 6, 11:59 PM ESTSevere Thunderstorm WarningJAXFlagler16 min
Feb 6, 11:59 PM ESTSevere Thunderstorm WarningCHSBerkeley, Charleston29 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

Charleston AFB, SC (KCHS), launched 12:00Z, 10.5 hours before the alert went out and 174 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, Charleston AFB, SC at 12:00Z on 2020-02-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Charleston AFB, SC at 12:00Z on 2020-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 291 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
769 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
291 m²/s²
0-3 km storm-relative helicity
285 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

132 
WWUS20 KWNS 062228
SEL2  
SPC WW 062228
FLZ000-GAZ000-SCZ000-CWZ000-070500-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 32
NWS Storm Prediction Center Norman OK
530 PM EST Thu Feb 6 2020

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  North Florida
  Eastern Georgia
  Southern South Carolina
  Coastal Waters

* Effective this Thursday afternoon from 530 PM until Midnight
  EST.

* Primary threats include...
  A couple tornadoes possible
  Scattered damaging winds likely with isolated significant gusts
    to 75 mph possible

SUMMARY...Extensive squall line will progress east across the north
Florida Gulf Coast and the South Atlantic Coastal Plain this
evening. Damaging winds will be the primary hazard, but a couple
embedded tornadoes are possible as well.

The tornado watch area is approximately along and 40 statute miles
east and west of a line from 30 miles north of Charleston SC to 30
miles south southwest of Ocala FL. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU2).

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 29...WW 30...WW 31...

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1 inch. Extreme turbulence and surface wind
gusts to 65 knots. A few cumulonimbi with maximum tops to 450. Mean
storm motion vector 24040.

...Grams

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 6, 3:02 AM ESTMesoscale DiscussionSPCBay, Calhoun, Escambia, Gulf, Holmes, Jackson and 4 more88 min
Feb 6, 4:27 AM ESTTornado WatchSPCBay, Calhoun, Escambia, Gulf, Holmes, Jackson and 4 more9 hr
Feb 6, 11:00 AM ESTMesoscale DiscussionSPCBay, Calhoun, Holmes, Jackson, Okaloosa, Santa Rosa and 2 more2 hr
Feb 6, 11:45 AM ESTMesoscale DiscussionSPCGadsden, Hamilton, Jefferson, Leon, Liberty, Madison and 2 more90 min
Feb 6, 12:17 PM ESTTornado WatchSPCBaker, Bay, Calhoun, Columbia, Dixie, Franklin and 15 more8 hr
Feb 6, 2:32 PM ESTMesoscale DiscussionSPCBay, Calhoun, Columbia, Franklin, Gadsden, Gulf and 11 more58 min
Feb 6, 4:29 PM ESTMesoscale DiscussionSPCBaker, Calhoun, Columbia, Franklin, Gadsden, Gulf and 9 more2 hr
Feb 5, 7:33 PM ESTMesoscale DiscussionSPCCatoosa, Dade117 min
Feb 6, 7:40 AM ESTMesoscale DiscussionSPCCarroll, Clayton, Cobb, Coweta, DeKalb, Douglas and 11 more95 min
Feb 6, 9:50 AM ESTMesoscale DiscussionSPCClarke, Columbia, Elbert, Greene, Hart, Lincoln and 6 more55 min
Feb 6, 10:12 AM ESTTornado WatchSPCBaldwin, Banks, Barrow, Clarke, Columbia, Elbert and 21 more7 hr
Feb 6, 1:08 PM ESTMesoscale DiscussionSPCAbbeville, Chester, Chesterfield, Fairfield, Greenwood, Lancaster and 3 more97 min
Feb 6, 4:00 PM ESTMesoscale DiscussionSPCDillon, Florence, Georgetown, Horry, Marion, Williamsburg60 min
Feb 6, 4:23 PM ESTTornado WatchSPCDarlington, Dillon, Florence, Georgetown, Horry, Marion and 2 more9 hr

Nearby

Tornado Watches in Georgia, 2020Tornado Watches in Florida, 2020Tornado Watches in South Carolina, 2020Every tornado watch in 2020

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.