Alert archive / Georgia / Tornado Watches in 2001

Tornado Watch 68

March 15, 200114 counties in Florida; 43 counties in Georgia; 7 counties in South Carolina

The Storm Prediction Center issued this tornado watch at Mar 15, 2001, 7:00 AM EST for 14 counties in Florida; 43 counties in Georgia; 7 counties in South Carolina. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Mar 15, 2001, 7:00 AM EST (12:00 UTC)
Expired
Mar 15, 2001, 1:00 PM EST
In force
6 hr
Issued by
the Storm Prediction Center
All 64 counties

Columbia County, FL, Dixie County, FL, Franklin County, FL, Gadsden County, FL, Gulf County, FL, Hamilton County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Suwannee County, FL, Taylor County, FL, Wakulla County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Ben Hill County, GA, Berrien County, GA, Brantley County, GA, Brooks County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Candler County, GA, Charlton County, GA, Chatham County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Echols County, GA, Effingham County, GA, Emanuel County, GA, Evans County, GA, Glynn County, GA, Grady County, GA, Irwin County, GA, Jeff Davis County, GA, Jenkins County, GA, Lanier County, GA, Liberty County, GA, Long County, GA, Lowndes County, GA, McIntosh County, GA, Montgomery County, GA, Pierce County, GA, Screven County, GA, Tattnall County, GA, Telfair County, GA, Thomas County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Ware County, GA, Wayne County, GA, Wheeler County, GA, Allendale County, SC, Beaufort County, SC, Charleston County, SC, Colleton County, SC, Dorchester County, SC, Hampton County, SC, Jasper County, SC

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Mar 15, 7:32 AM ESTSevere Thunderstorm WarningTAEGadsden28 min
Mar 15, 8:02 AM ESTSevere Thunderstorm WarningJAXAtkinson58 min
Mar 15, 8:02 AM ESTTornado WarningTAEThomas28 min
Mar 15, 8:10 AM ESTSevere Thunderstorm WarningJAXCoffee65 min
Mar 15, 8:21 AM ESTTornado WarningTAEBrooks, Colquitt, Cook24 min
Mar 15, 8:45 AM ESTSevere Thunderstorm WarningTAEBrooks, Cook, Lowndes30 min
Mar 15, 8:57 AM ESTSevere Thunderstorm WarningJAXAtkinson, Coffee63 min
Mar 15, 9:18 AM ESTTornado WarningJAXBacon27 min
Mar 15, 9:21 AM ESTTornado WarningJAXAppling29 min
Mar 15, 9:38 AM ESTSevere Thunderstorm WarningJAXWayne37 min
Mar 15, 9:58 AM ESTSevere Thunderstorm WarningJAXAtkinson, Clinch47 min
Mar 15, 10:08 AM ESTSevere Thunderstorm WarningJAXWare42 min
Mar 15, 10:51 AM ESTSevere Thunderstorm WarningJAXWare24 min
Mar 15, 11:02 AM ESTSevere Thunderstorm WarningJAXPierce43 min
Mar 15, 11:15 AM ESTTornado WarningJAXPierce30 min

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 0.0 hours before the alert went out and 121 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 2001-03-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 522 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 2001-03-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.1939587897117136Sfc1 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
522 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
482 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
148 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

000 
WWUS9 KMKC 151146
SEL8  

SEL8  
MKC WW 151140
FLZ000-GAZ000-SCZ000-CWZ000-151800-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 68
STORM PREDICTION CENTER NORMAN OK
640 AM EST THU MAR 15 2001

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

   NORTH CENTRAL FLORIDA                            
   SOUTHEAST GEORGIA                            
   SOUTHERN SOUTH CAROLINA                     
   AND ADJACENT COASTAL WATERS                     

EFFECTIVE THIS THURSDAY MORNING AND AFTERNOON FROM 700 AM UNTIL 100
PM EST.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO
70 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 40 MILES EAST SOUTHEAST OF APALACHICOLA FLORIDA TO
50 MILES WEST NORTHWEST OF CHARLESTON SOUTH CAROLINA.

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...THIS TORNADO WATCH REPLACES TORNADO WATCH
NUMBER 67.  WATCH NUMBER 67 WILL NOT BE IN EFFECT AFTER 700 AM EST. 

DISCUSSION...LINE OF SEVERE STORMS WITH EMBEDDED SUPERCELLS WILL
CONTINUE TO TRACK EAST-NORTHEASTWARD ACROSS EASTERN PORTIONS OF THE
FL PANHANDLE INTO SOUTHERN GA.  OTHER STORMS MAY DEVELOP
NORTHEASTWARD INTO GA AND SOUTHERN SC DURING THE NEXT FEW HOURS. 
EXTREMELY STRONG VERTICAL SHEAR PROFILES AND INCREASING LOW LEVEL
MOISTURE/INSTABILITY SUGGEST A CONTINUED THREAT OF ISOLATED
TORNADOES...AS WELL AS DAMAGING WINDS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH...EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. 
MEAN STORM MOTION VECTOR 24040.

...HART

;331,0793 293,0831 293,0853 331,0820;

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 14, 10:30 PM ESTTornado WatchSPCEscambia, Okaloosa, Santa Rosa, Walton6 hr
Mar 15, 2:30 AM ESTTornado WatchSPCBay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 10 more6 hr
Mar 15, 1:00 PM ESTSevere Thunderstorm WatchSPCAlachua, Baker, Bradford, Clay, Columbia, Dixie and 9 more5 hr

Nearby

Tornado Watches in Georgia, 2001Tornado Watches in Florida, 2001Tornado Watches in South Carolina, 2001Every tornado watch in 2001

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.