Alert archive / Georgia / Tornado Watches in 2003

Tornado Watch 405

May 17, 200391 counties in Georgia; McCormick County, Oconee County, South Carolina

The Storm Prediction Center issued this tornado watch at May 17, 2003, 2:00 PM EDT for 91 counties in Georgia; McCormick County, Oconee County, South Carolina. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 17, 2003, 2:00 PM EDT (18:00 UTC)
Expired
May 17, 2003, 8:00 PM EDT
In force
6 hr
Issued by
the Storm Prediction Center
All 93 counties

Baldwin County, GA, Banks County, GA, Barrow County, GA, Bartow County, GA, Bibb County, GA, Bleckley County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Butts County, GA, Candler County, GA, Catoosa County, GA, Chatham County, GA, Cherokee County, GA, Clarke County, GA, Clayton County, GA, Cobb County, GA, Columbia County, GA, Crawford County, GA, Dade County, GA, Dawson County, GA, DeKalb County, GA, Dodge County, GA, Effingham County, GA, Elbert County, GA, Emanuel County, GA, Evans County, GA, Fannin County, GA, Fayette County, GA, Forsyth County, GA, Franklin County, GA, Fulton County, GA, Gilmer County, GA, Glascock County, GA, Gordon County, GA, Greene County, GA, Gwinnett County, GA, Habersham County, GA, Hall County, GA, Hancock County, GA, Hart County, GA, Henry County, GA, Houston County, GA, Jackson County, GA, Jasper County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Jones County, GA, Lamar County, GA, Laurens County, GA, Lincoln County, GA, Lumpkin County, GA, Madison County, GA, McDuffie County, GA, Monroe County, GA, Montgomery County, GA, Morgan County, GA, Murray County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Paulding County, GA, Peach County, GA, Pickens County, GA, Pulaski County, GA, Putnam County, GA, Rabun County, GA, Richmond County, GA, Rockdale County, GA, Screven County, GA, Spalding County, GA, Stephens County, GA, Taliaferro County, GA, Tattnall County, GA, Telfair County, GA, Toombs County, GA, Towns County, GA, Treutlen County, GA, Twiggs County, GA, Union County, GA, Walker County, GA, Walton County, GA, Warren County, GA, Washington County, GA, Wheeler County, GA, White County, GA, Whitfield County, GA, Wilcox County, GA, Wilkes County, GA, Wilkinson County, GA, McCormick County, SC, Oconee County, SC

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 17, 2:31 PM EDTSevere Thunderstorm WarningFFCGreene, Putnam29 min
May 17, 2:34 PM EDTSevere Thunderstorm WarningFFCHenry, Newton26 min
May 17, 3:00 PM EDTSevere Thunderstorm WarningFFCGreene, Hancock, Putnam30 min
May 17, 3:02 PM EDTSevere Thunderstorm WarningFFCNewton28 min
May 17, 3:27 PM EDTSevere Thunderstorm WarningFFCBaldwin33 min
May 17, 3:31 PM EDTSevere Thunderstorm WarningFFCHancock29 min
May 17, 3:35 PM EDTSevere Thunderstorm WarningFFCWashington25 min
May 17, 4:01 PM EDTSevere Thunderstorm WarningFFCHancock29 min
May 17, 4:29 PM EDTSevere Thunderstorm WarningFFCHancock31 min
May 17, 4:41 PM EDTSevere Thunderstorm WarningCHSScreven49 min
May 17, 4:48 PM EDTFlash Flood WarningCHSScreven87 min
May 17, 4:54 PM EDTSevere Thunderstorm WarningFFCCherokee, Forsyth, Fulton36 min
May 17, 5:01 PM EDTSevere Thunderstorm WarningFFCGlascock, Jefferson, Washington44 min
May 17, 5:08 PM EDTSevere Thunderstorm WarningFFCMurray, Whitfield37 min
May 17, 5:30 PM EDTSevere Thunderstorm WarningCHSScreven45 min
May 17, 5:30 PM EDTSevere Thunderstorm WarningFFCForsyth30 min
May 17, 5:44 PM EDTSevere Thunderstorm WarningFFCGordon, Jefferson, Murray, Washington31 min
May 17, 5:58 PM EDTSevere Thunderstorm WarningFFCJohnson32 min
May 17, 6:05 PM EDTSevere Thunderstorm WarningCAEBurke40 min
May 17, 6:15 PM EDTSevere Thunderstorm WarningFFCJefferson30 min
May 17, 6:18 PM EDTSevere Thunderstorm WarningFFCGordon27 min
May 17, 6:24 PM EDTSevere Thunderstorm WarningFFCForsyth, Hall36 min
May 17, 6:27 PM EDTSevere Thunderstorm WarningFFCJohnson, Washington33 min
May 17, 6:37 PM EDTSevere Thunderstorm WarningFFCBartow23 min
May 17, 6:40 PM EDTSevere Thunderstorm WarningCHSJenkins50 min
May 17, 6:44 PM EDTSevere Thunderstorm WarningCAEBurke46 min
May 17, 6:45 PM EDTFlash Flood WarningFFCGordon2 hr
May 17, 6:47 PM EDTSevere Thunderstorm WarningFFCGordon28 min
May 17, 7:00 PM EDTSevere Thunderstorm WarningFFCBartow30 min
May 17, 7:21 PM EDTFlash Flood WarningFFCBartow114 min
May 17, 7:50 PM EDTSevere Thunderstorm WarningFFCEmanuel25 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, 6.0 hours before the alert went out and 129 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 2003-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1351 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, Peachtre/Fal Fld, GA at 12:00Z on 2003-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
1351 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
593 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

584 
WWUS20 KWNS 171757
SEL5  
SPC WW 171800
GAZ000-NCZ000-SCZ000-CWZ000-180000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 405 
NWS STORM PREDICTION CENTER NORMAN OK 
200 PM EDT SAT MAY 17 2003

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       NORTHERN...CENTRAL AND EASTERN GEORGIA
       FAR WESTERN NORTH CAROLINA
       WESTERN AND SOUTHERN SOUTH CAROLINA
       COASTAL WATERS

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 200 PM UNTIL
800 PM EDT.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 55 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 75 STATUTE MILES EAST AND WEST
OF A LINE FROM 65 MILES NORTHEAST OF ROME GEORGIA TO 55 MILES WEST
SOUTHWEST OF SAVANNAH GEORGIA.

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 403...WW 404...


DISCUSSION...THUNDERSTORMS EXPECTED TO DEVELOP ALONG SLOW-MOVING
FRONT IN CNTRL GA/SRN SC. SUFFICIENT DEEP SHEAR WILL BE PRESENT FOR
ORGANIZED STORMS WITH LOCALLY DAMAGING WINDS. BACKED FLOW AT LOWER
LEVELS AND HIGH SURFACE DEWPOINTS MAY ALSO POSE A THREAT FOR
ISOLATED TORNADOES .

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 50 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550.
MEAN STORM MOTION VECTOR 25030.


...CORFIDI

350,0830 314,0804 314,0831 350,0854

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 17, 10:20 AM EDTTornado WatchSPCCatoosa, Chattooga, Dade, Walker, Whitfield6 hr
May 17, 11:45 AM EDTMesoscale DiscussionSPCBibb, Butts, Calhoun, Carroll, Chattahoochee, Clay and 32 more90 min
May 17, 6:13 PM EDTMesoscale DiscussionSPCBanks, Barrow, Bulloch, Burke, Candler, Cherokee and 39 more2 hr

Nearby

Tornado Watches in Georgia, 2003Tornado Watches in South Carolina, 2003Every tornado watch in 2003

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.