Alert archive / Georgia / Tornado Watches in 2003

Tornado Watch 61

March 19, 200317 counties in Georgia; Beaufort County, Jasper County, South Carolina

The Storm Prediction Center issued this tornado watch at Mar 19, 2003, 7:15 PM EST for 17 counties in Georgia; Beaufort County, Jasper County, South Carolina. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Mar 19, 2003, 7:15 PM EST (00:15 UTC)
Expired
Mar 19, 2003, 11:00 PM EST
In force
4 hr
Issued by
the Storm Prediction Center

Counties Appling County, GA, Bacon County, GA, Bryan County, GA, Bulloch County, GA, Candler County, GA, Chatham County, GA, Effingham County, GA, Emanuel County, GA, Evans County, GA, Jenkins County, GA, Liberty County, GA, Long County, GA, McIntosh County, GA, Screven County, GA, Tattnall County, GA, Toombs County, GA, Wayne County, GA, Beaufort County, SC, Jasper County, SC

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Mar 19, 7:47 PM ESTSevere Thunderstorm WarningJAXAppling43 min
Mar 19, 8:07 PM ESTSevere Thunderstorm WarningJAXWayne23 min
Mar 19, 8:10 PM ESTSevere Thunderstorm WarningCHSLong65 min
Mar 19, 8:50 PM ESTSevere Thunderstorm WarningCHSLiberty40 min
Mar 19, 9:20 PM ESTSevere Thunderstorm WarningCHSChatham25 min
Mar 19, 9:27 PM ESTSevere Thunderstorm WarningCHSBryan33 min
Mar 19, 9:46 PM ESTSevere Thunderstorm WarningJAXBrantley, Wayne44 min
Mar 19, 10:04 PM ESTSevere Thunderstorm WarningCHSLong26 min
Mar 19, 10:33 PM ESTSevere Thunderstorm WarningCHSLiberty27 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 00:00Z, 0.3 hours before the alert went out and 171 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 00:00Z on 2003-03-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 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 00:00Z on 2003-03-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 257 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
7 J/kg
Mixed-layer CIN
-255 J/kg
Mixed-layer LCL
516 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
257 m²/s²
0-3 km storm-relative helicity
364 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 200019
SEL1  
SPC WW 200015
GAZ000-SCZ000-CWZ000-200400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 61
STORM PREDICTION CENTER NORMAN OK
715 PM EST WED MAR 19 2003

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

   SOUTHEAST GEORGIA                            
   SOUTHERN SOUTH CAROLINA                     
   COASTAL WATERS                     

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 715 PM UNTIL
1100 PM EST.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 50 STATUTE MILES EITHER SIDE OF
A LINE FROM 70 MILES WEST OF SAVANNAH GEORGIA TO 45 MILES EAST
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 58...WW 59...WW 60...

DISCUSSION...SUPERCELL ALONG WARM FRONT NEAR AYS EXPECTED TO
CONTINUE GENERALLY ENEWD.  WHILE SHALLOW LAYER OF SOMEWHAT LESS
UNSTABLE AIR IS PRESENT ALONG ITS PROJECTED PATH EWD INTO FAR SRN
SC...COMBINATION OF INCREASING DEEP SHEAR OVER TIME...AND EXISTING
STRONG STORM CIRCULATION...SUGGEST A CONTINUED THREAT FOR
TORNADOES.  OTHER STORMS MAY FORM ELSEWHERE ALONG AND N OF WARM
FRONT OVER ERN GA/WRN SC LATER THIS EVENING...POSING A THREAT FOR
HAIL.

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 25030.

...CORFIDI

310,0803 312,0823 325,0821 323,0802

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 19, 7:04 PM ESTMesoscale DiscussionSPCAppling, Bacon, Brantley, Bryan, Bulloch, Camden and 15 more116 min
Mar 19, 8:58 PM ESTMesoscale DiscussionSPCBurke, Columbia, Glascock, Jefferson, Jenkins, Lincoln and 6 more3 hr
Mar 19, 9:41 PM ESTMesoscale DiscussionSPCClay, Early3 hr
Mar 19, 10:25 PM ESTTornado WatchSPCBaker, Baldwin, Bibb, Calhoun, Chattahoochee, Clay and 30 more6 hr
Mar 19, 11:16 PM ESTMesoscale DiscussionSPCBaldwin, Banks, Barrow, Bartow, Butts, Carroll and 50 more2 hr
Mar 20, 12:20 AM ESTSevere Thunderstorm WatchSPCBanks, Barrow, Butts, Clarke, Clayton, Cobb and 38 more4 hr
Mar 20, 12:52 AM ESTMesoscale DiscussionSPCAtkinson, Bacon, Baker, Ben Hill, Berrien, Bibb and 52 more2 hr
Mar 20, 3:06 AM ESTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Baker, Ben Hill, Berrien and 46 more54 min
Mar 20, 3:40 AM ESTTornado WatchSPCAppling, Atkinson, Bacon, Baker, Ben Hill, Berrien and 50 more5 hr
Mar 20, 6:12 AM ESTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Ben Hill, Berrien, Brooks and 40 more2 hr
Mar 20, 8:40 AM ESTTornado WatchSPCAppling, Atkinson, Bacon, Berrien, Brantley, Brooks and 20 more6 hr
Mar 20, 11:09 AM ESTMesoscale DiscussionSPCAtkinson, Berrien, Brantley, Brooks, Clinch, Colquitt and 6 more2 hr
Mar 20, 1:33 PM ESTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Berrien, Brantley, Brooks and 10 more117 min
Mar 20, 2:35 PM ESTTornado WatchSPCAppling, Atkinson, Bacon, Ben Hill, Berrien, Brantley and 34 more6 hr
Mar 20, 4:21 PM ESTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Ben Hill, Berrien, Brantley and 36 more114 min
Mar 20, 6:57 PM ESTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Ben Hill, Berrien, Brantley and 37 more2 hr
Mar 20, 2:16 AM ESTMesoscale DiscussionSPCGeorgetown, Horry, Marion, Williamsburg119 min
Mar 20, 5:48 AM ESTMesoscale DiscussionSPCCalhoun, Clarendon, Darlington, Dillon, Florence, Horry and 5 more117 min
Mar 20, 10:10 AM ESTTornado WatchSPCGeorgetown, Horry5 hr
Mar 20, 10:40 AM ESTMesoscale DiscussionSPCHorry2 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.