Alert archive / Georgia / Tornado Watches in 2003

Tornado Watch 614

July 1, 200327 counties in Georgia; 21 counties in South Carolina

The Storm Prediction Center issued this tornado watch at Jul 1, 2003, 6:00 PM EDT for 27 counties in Georgia; 21 counties in South Carolina. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Jul 1, 2003, 6:00 PM EDT (22:00 UTC)
Expired
Jul 1, 2003, 10:00 PM EDT
In force
4 hr
Issued by
the Storm Prediction Center
All 48 counties

Bryan County, GA, Bulloch County, GA, Burke County, GA, Candler County, GA, Chatham County, GA, Columbia County, GA, Effingham County, GA, Elbert County, GA, Emanuel County, GA, Evans County, GA, Glascock County, GA, Jefferson County, GA, Jenkins County, GA, Liberty County, GA, Lincoln County, GA, Long County, GA, Madison County, GA, McDuffie County, GA, McIntosh County, GA, Oglethorpe County, GA, Richmond County, GA, Screven County, GA, Taliaferro County, GA, Tattnall County, GA, Warren County, GA, Wayne County, GA, Wilkes County, GA, Aiken County, SC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Clarendon County, SC, Colleton County, SC, Dorchester County, SC, Edgefield County, SC, Greenwood County, SC, Hampton County, SC, Jasper County, SC, Lexington County, SC, McCormick County, SC, Orangeburg County, SC, Richland County, SC, Saluda County, SC, Sumter County, SC

The radar

The Charleston,SC radar (KCLX), 47 km from the middle of the area, began a volume at 22:00 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.

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jul 1, 7:42 PM EDTTornado WarningCHSJenkins, Screven48 min
Jul 1, 9:53 PM EDTTornado WarningCHSScreven67 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, 10.0 hours before the alert went out and 80 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 2003-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 460 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 2003-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 square meters per square second.1939Sfc1 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
460 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
1014 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 012200
SEL4  
SPC WW 012200
GAZ000-SCZ000-CWZ000-020200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 614 
NWS STORM PREDICTION CENTER NORMAN OK 
600 PM EDT TUE JUL 1 2003

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

       EASTERN GEORGIA
       CENTRAL AND SOUTHERN SOUTH CAROLINA
       COASTAL WATERS

EFFECTIVE THIS TUESDAY EVENING FROM 600 PM UNTIL 1000 PM EDT.

TORNADOES...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS
LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 95 STATUTE MILES EAST AND WEST
OF A LINE FROM 40 MILES WEST NORTHWEST OF COLUMBIA SOUTH CAROLINA
TO 75 MILES SOUTHEAST 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 613...


DISCUSSION...POTENTIAL WILL CONTINUE FOR SUPERCELLS TO MOVE/DEVELOP
EWD ALONG AND S OF SLOW-MOVING WARM FRONT ASSOCIATED WITH T.D. BILL.
 STRONG PRESSURE FALLS NE OF T.D.CIRCULATION CENTER...40 KT WSWLY
MID LEVEL FLOW...VERY MOIST BOUNDARY LAYER INFLOW AND SIGNIFICANT
LOW LEVEL VEERING ALL SUGGEST THREAT FOR TORNADOES...MAINLY INVOF
WARM FRONT...THROUGH THIS EVENING.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH EXTREME
TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI
WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION VECTOR 21035.


...CORFIDI

340,0800 312,0784 312,0815 340,0832

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 30, 8:22 PM EDTMesoscale DiscussionSPCBaker, Brooks, Calhoun, Clay, Decatur, Early and 5 more113 min
Jul 1, 2:25 AM EDTTornado WatchSPCBaker, Calhoun, Carroll, Chattahoochee, Clay, Coweta and 18 more9 hr
Jul 1, 5:26 AM EDTMesoscale DiscussionSPCBaker, Calhoun, Carroll, Chattahoochee, Clay, Coweta and 17 more2 hr
Jul 1, 8:28 AM EDTMesoscale DiscussionSPCBaker, Baldwin, Banks, Barrow, Bibb, Bleckley and 75 more62 min
Jul 1, 10:40 AM EDTTornado WatchSPCBaker, Bibb, Brooks, Butts, Calhoun, Carroll and 60 more6 hr
Jul 1, 1:57 PM EDTMesoscale DiscussionSPCChattahoochee, Harris, Muscogee, Quitman, Stewart2 hr
Jul 1, 3:49 PM EDTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Baker, Baldwin, Ben Hill and 105 more116 min
Jul 1, 4:05 PM EDTTornado WatchSPCAppling, Atkinson, Bacon, Baker, Baldwin, Ben Hill and 74 more6 hr
Jul 1, 5:26 PM EDTMesoscale DiscussionSPCBryan, Chatham, Effingham, Liberty94 min

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; radar from the NEXRAD Level II archive.