Alert archive / Georgia / Tornado Watches in 2017

Tornado Watch 119

April 3, 201751 counties in Georgia; 31 counties in South Carolina

The Storm Prediction Center issued this tornado watch at Apr 3, 2017, 2:07 PM EDT for 51 counties in Georgia; 31 counties in South Carolina. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Apr 3, 2017, 2:07 PM EDT (18:07 UTC)
Expired
Apr 3, 2017, 7:55 PM EDT
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 82 counties

Appling County, GA, Atkinson County, GA, Bacon County, GA, Baldwin County, GA, Bleckley County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Candler County, GA, Chatham County, GA, Clinch County, GA, Coffee County, GA, Columbia County, GA, Dodge County, GA, Echols County, GA, Effingham County, GA, Elbert County, GA, Emanuel County, GA, Evans County, GA, Glascock County, GA, Greene County, GA, Hancock County, GA, Hart County, GA, Jeff Davis County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Laurens County, GA, Liberty County, GA, Lincoln County, GA, Long County, GA, McDuffie County, GA, Montgomery County, GA, Oglethorpe County, GA, Pierce County, GA, Pulaski County, GA, Richmond County, GA, Screven County, GA, Taliaferro County, GA, Tattnall County, GA, Telfair County, GA, Toombs County, GA, Treutlen County, GA, Ware County, GA, Warren County, GA, Washington County, GA, Wayne County, GA, Wheeler County, GA, Wilcox County, GA, Wilkes County, GA, Wilkinson County, GA, Abbeville County, SC, Aiken County, SC, Allendale County, SC, Anderson County, SC, Bamberg County, SC, Barnwell County, SC, Calhoun County, SC, Cherokee County, SC, Chester County, SC, Chesterfield County, SC, Clarendon County, SC, Edgefield County, SC, Fairfield County, SC, Greenville County, SC, Greenwood County, SC, Hampton County, SC, Jasper County, SC, Kershaw County, SC, Lancaster County, SC, Laurens County, SC, Lee County, SC, Lexington County, SC, McCormick County, SC, Newberry County, SC, Orangeburg County, SC, Richland County, SC, Saluda County, SC, Spartanburg County, SC, Sumter County, SC, Union County, SC, York County, SC

The radar

The Columbia radar (KCAE), 114 km from the middle of the area, began a volume at 18:07 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
60%
One or more EF2 to EF5 tornadoes
30%
Ten or more severe wind reports
90%
One or more gusts of 65 knots or more
20%
Ten or more severe hail reports
40%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
95%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 3, 2:07 PM EDTSevere Thunderstorm WarningFFCGreene, Hancock, Madison, Oconee, Oglethorpe, Taliaferro and 1 more38 min
Apr 3, 2:12 PM EDTTornado WarningGSPGreenville, Pickens18 min
Apr 3, 2:24 PM EDTTornado WarningFFCHancock, Taliaferro, Warren39 min
Apr 3, 2:24 PM EDTTornado WarningFFCBaldwin, Washington, Wilkinson36 min
Apr 3, 2:28 PM EDTSevere Thunderstorm WarningGSPGreenville, Laurens, Spartanburg32 min
Apr 3, 2:32 PM EDTSevere Thunderstorm WarningFFCBleckley, Dodge, Laurens, Pulaski, Telfair, Wheeler and 1 more43 min
Apr 3, 2:34 PM EDTSevere Thunderstorm WarningJAXWayne30 min
Apr 3, 2:39 PM EDTTornado WarningFFCJohnson, Laurens, Washington, Wilkinson24 min
Apr 3, 2:41 PM EDTTornado WarningCAEBurke34 min
Apr 3, 2:44 PM EDTSevere Thunderstorm WarningGSPGreenwood, Laurens, Spartanburg, Union31 min
Apr 3, 2:47 PM EDTSevere Thunderstorm WarningCAEColumbia, Lincoln, McDuffie58 min
Apr 3, 2:50 PM EDTSevere Thunderstorm WarningFFCGlascock, Hancock, Jefferson, Taliaferro, Warren, Washington and 1 more25 min
Apr 3, 3:00 PM EDTSevere Thunderstorm WarningFFCEmanuel, Glascock, Jefferson, Johnson, Laurens, Washington30 min
Apr 3, 3:02 PM EDTSevere Thunderstorm WarningGSPCherokee, Spartanburg, Union28 min
Apr 3, 3:07 PM EDTSevere Thunderstorm WarningCAEBurke, Richmond53 min
Apr 3, 3:07 PM EDTSevere Thunderstorm WarningCHSLiberty, Long53 min
Apr 3, 3:07 PM EDTTornado WarningFFCJefferson, Washington23 min
Apr 3, 3:08 PM EDTSevere Thunderstorm WarningGSPLaurens, Spartanburg, Union37 min
Apr 3, 3:10 PM EDTSevere Thunderstorm WarningFFCDodge, Laurens, Montgomery, Telfair, Toombs, Treutlen and 1 more50 min
Apr 3, 3:17 PM EDTSevere Thunderstorm WarningCAERichmond58 min
Apr 3, 3:21 PM EDTSevere Thunderstorm WarningJAXCoffee, Jeff Davis39 min
Apr 3, 3:27 PM EDTTornado WarningGSPChester, Union33 min
Apr 3, 3:28 PM EDTSevere Thunderstorm WarningCAEEdgefield62 min
Apr 3, 3:29 PM EDTSevere Thunderstorm WarningFFCMontgomery, Telfair, Toombs, Wheeler46 min
Apr 3, 3:31 PM EDTTornado WarningCAELincoln29 min
Apr 3, 3:31 PM EDTSevere Thunderstorm WarningFFCEmanuel, Jefferson, Johnson29 min
Apr 3, 3:31 PM EDTSevere Thunderstorm WarningGSPCherokee, Chester, York29 min
Apr 3, 3:33 PM EDTSevere Thunderstorm WarningCHSBryan, Liberty46 min
Apr 3, 3:42 PM EDTTornado WarningCAEBurke48 min
Apr 3, 3:43 PM EDTSevere Thunderstorm WarningCHSBulloch32 min
Apr 3, 3:44 PM EDTSevere Thunderstorm WarningCHSScreven50 min
Apr 3, 3:46 PM EDTSevere Thunderstorm WarningGSPChester, York44 min
Apr 3, 3:49 PM EDTSevere Thunderstorm WarningCHSJenkins33 min
Apr 3, 3:49 PM EDTSevere Thunderstorm WarningFFCEmanuel, Montgomery, Toombs, Treutlen26 min
Apr 3, 3:52 PM EDTSevere Thunderstorm WarningGSPYork38 min
Apr 3, 3:57 PM EDTSevere Thunderstorm WarningCAEBurke33 min
Apr 3, 4:04 PM EDTSevere Thunderstorm WarningCHSCandler28 min
Apr 3, 4:05 PM EDTSevere Thunderstorm WarningGSPYork25 min
Apr 3, 4:10 PM EDTSevere Thunderstorm WarningCAEFairfield, Kershaw, Lancaster65 min
Apr 3, 4:13 PM EDTSevere Thunderstorm WarningCHSBulloch, Effingham, Screven47 min
Apr 3, 4:15 PM EDTSevere Thunderstorm WarningCAECalhoun, Lexington, Newberry, Richland, Saluda45 min
Apr 3, 4:18 PM EDTSevere Thunderstorm WarningCHSScreven31 min
Apr 3, 4:18 PM EDTSevere Thunderstorm WarningCAEBamberg, Calhoun, Orangeburg42 min
Apr 3, 4:22 PM EDTSevere Thunderstorm WarningCHSBulloch, Evans, Tattnall38 min
Apr 3, 4:26 PM EDTSevere Thunderstorm WarningJAXAppling27 min
Apr 3, 4:31 PM EDTSevere Thunderstorm WarningCHSAllendale, Hampton59 min
Apr 3, 4:32 PM EDTSevere Thunderstorm WarningCAEAiken, Barnwell28 min
Apr 3, 4:33 PM EDTTornado WarningCAELexington26 min
Apr 3, 4:41 PM EDTTornado WarningCHSHampton24 min
Apr 3, 4:51 PM EDTFlash Flood WarningCAERichland114 min
Apr 3, 4:51 PM EDTSevere Thunderstorm WarningCAEChesterfield, Kershaw, Lee, Sumter54 min
Apr 3, 4:55 PM EDTSevere Thunderstorm WarningCAEKershaw, Lee, Richland, Sumter50 min
Apr 3, 4:56 PM EDTSevere Thunderstorm WarningCHSHampton, Jasper49 min
Apr 3, 4:57 PM EDTSevere Thunderstorm WarningCAEBamberg, Calhoun, Clarendon, Orangeburg48 min
Apr 3, 5:01 PM EDTSevere Thunderstorm WarningCAECalhoun, Kershaw, Richland33 min
Apr 3, 5:11 PM EDTSevere Thunderstorm WarningJAXWayne19 min
Apr 3, 5:11 PM EDTTornado WarningCAECalhoun, Sumter34 min
Apr 3, 5:31 PM EDTSevere Thunderstorm WarningJAXClinch, Echols44 min
Apr 3, 5:36 PM EDTSevere Thunderstorm WarningCHSBeaufort, Colleton, Hampton, Jasper36 min
Apr 3, 5:45 PM EDTSevere Thunderstorm WarningCAEChesterfield15 min
Apr 3, 5:46 PM EDTSevere Thunderstorm WarningCAEClarendon, Lee, Orangeburg, Sumter29 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, 6.1 hours before the alert went out and 209 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 2017-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 26 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 2017-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 317 square meters per square second.19395878Sfc1 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
26 J/kg
Mixed-layer CIN
-350 J/kg
Mixed-layer LCL
987 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
317 m²/s²
0-3 km storm-relative helicity
392 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

696 
WWUS20 KWNS 031803
SEL9  
SPC WW 031803
GAZ000-SCZ000-040100-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 119
NWS Storm Prediction Center Norman OK
205 PM EDT Mon Apr 3 2017

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Eastern Georgia
  Western and Central South Carolina

* Effective this Monday afternoon and evening from 205 PM until
  900 PM EDT.

* Primary threats include...
  A few tornadoes likely with a couple intense tornadoes possible
  Widespread damaging wind gusts to 70 mph likely
  Scattered large hail and isolated very large hail events to 2
    inches in diameter possible

SUMMARY...A line of severe thunderstorms over central Georgia will
track eastward across the watch, while isolated cell form out ahead.
 All of this activity will pose a risk of damaging winds and a few
tornadoes.

The tornado watch area is approximately along and 65 statute miles
east and west of a line from 10 miles east northeast of Spartanburg
SC to 50 miles south of Vidalia GA. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU9).

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 117...WW 118...

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 26035.

...Hart

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 3, 10:07 AM EDTMesoscale DiscussionSPCBaldwin, Banks, Barrow, Bibb, Bleckley, Bulloch and 54 more83 min
Apr 3, 10:25 AM EDTMesoscale DiscussionSPCBaker, Butts, Calhoun, Carroll, Chattahoochee, Clay and 30 more65 min
Apr 3, 10:50 AM EDTSevere Thunderstorm WatchSPCBaker, Baldwin, Barrow, Ben Hill, Berrien, Bibb and 92 more7 hr
Apr 3, 1:42 PM EDTMesoscale DiscussionSPCAppling, Bryan, Bulloch, Burke, Candler, Columbia and 24 more63 min
Apr 3, 6:41 PM EDTMesoscale DiscussionSPCChatham, McIntosh64 min
Apr 3, 4:00 PM EDTMesoscale DiscussionSPCBerkeley, Chesterfield, Clarendon, Darlington, Dillon, Dorchester and 8 more90 min
Apr 3, 4:36 PM EDTSevere Thunderstorm WatchSPCBeaufort, Berkeley, Charleston, Colleton, Darlington, Dillon and 7 more4 hr

Nearby

Tornado Watches in Georgia, 2017Tornado Watches in South Carolina, 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.