Alert archive / Georgia / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 45

March 13, 20036 counties in Alabama; 13 counties in Florida; 54 counties in Georgia

The Storm Prediction Center issued this severe thunderstorm watch at Mar 13, 2003, 5:55 PM CST for 6 counties in Alabama; 13 counties in Florida; 54 counties in Georgia. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Mar 13, 2003, 5:55 PM CST (23:55 UTC)
Expired
Mar 13, 2003, 11:00 PM CST
In force
5 hr
Issued by
the Storm Prediction Center
All 73 counties

Barbour County, AL, Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Russell County, AL, Bay County, FL, Calhoun County, FL, Gadsden County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Bleckley County, GA, Brooks County, GA, Calhoun County, GA, Chattahoochee County, GA, Clay County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Crawford County, GA, Crisp County, GA, Decatur County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Early County, GA, Emanuel County, GA, Grady County, GA, Harris County, GA, Houston County, GA, Irwin County, GA, Johnson County, GA, Laurens County, GA, Lee County, GA, Lowndes County, GA, Macon County, GA, Marion County, GA, Miller County, GA, Mitchell County, GA, Montgomery County, GA, Muscogee County, GA, Peach County, GA, Pulaski County, GA, Quitman County, GA, Randolph County, GA, Schley County, GA, Seminole County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taylor County, GA, Telfair County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Treutlen County, GA, Turner County, GA, Twiggs County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Worth County, GA

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Mar 13, 6:28 PM CSTSevere Thunderstorm WarningTAELee17 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 11.9 hours before the alert went out and 82 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, Tallahassee Rgnl, FL at 12:00Z on 2003-03-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 457 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, Tallahassee Rgnl, FL at 12:00Z on 2003-03-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 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
457 J/kg
Mixed-layer CIN
-126 J/kg
Mixed-layer LCL
1223 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 13, 1:58 AM CSTMesoscale DiscussionSPCCovington, Escambia, Geneva, Houston3 hr
Mar 13, 9:39 AM CSTMesoscale DiscussionSPCAutauga, Baldwin, Bibb, Blount, Butler, Calhoun and 40 more2 hr
Mar 13, 10:10 AM CSTSevere Thunderstorm WatchSPCAutauga, Bibb, Blount, Butler, Calhoun, Cherokee and 37 more6 hr
Mar 13, 12:59 PM CSTMesoscale DiscussionSPCAutauga, Bibb, Blount, Butler, Calhoun, Chilton and 30 more2 hr
Mar 13, 2:15 PM CSTMesoscale DiscussionSPCAutauga, Baldwin, Barbour, Bibb, Bullock, Butler and 35 more2 hr
Mar 13, 3:10 PM CSTSevere Thunderstorm WatchSPCBaldwin, Barbour, Bullock, Butler, Coffee, Conecuh and 12 more5 hr
Mar 13, 5:33 PM CSTMesoscale DiscussionSPCCovington87 min
Mar 13, 8:39 AM CSTMesoscale DiscussionSPCAlachua, Baker, Bradford, Citrus, Clay, Columbia and 24 more2 hr
Mar 13, 8:55 AM CSTTornado WatchSPCAlachua, Baker, Bradford, Clay, Columbia, Dixie and 10 more6 hr
Mar 13, 12:55 PM CSTMesoscale DiscussionSPCFannin, Gilmer, Habersham, Murray, Rabun, Stephens and 4 more2 hr

Nearby

Severe Thunderstorm Watches in Georgia, 2003Severe Thunderstorm Watches in Florida, 2003Severe Thunderstorm Watches in Alabama, 2003Every severe thunderstorm 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.