Alert archive / Georgia / Tornado Watches in 2002
Tornado Watch 24
The Storm Prediction Center issued this tornado watch at Mar 12, 2002, 5:30 PM EST for 12 counties in Florida; 22 counties in Georgia. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 12, 2002, 5:30 PM EST (22:30 UTC)
- Expired
- Mar 12, 2002, 11:00 PM EST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 34 counties
Baker County, FL, Bradford County, FL, Columbia County, FL, Gilchrist County, FL, Hamilton County, FL, Jefferson County, FL, Lafayette County, FL, Madison County, FL, Nassau County, FL, Suwannee County, FL, Taylor County, FL, Union County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Ben Hill County, GA, Berrien County, GA, Brantley County, GA, Brooks County, GA, Camden County, GA, Charlton County, GA, Clinch County, GA, Coffee County, GA, Cook County, GA, Echols County, GA, Glynn County, GA, Irwin County, GA, Lanier County, GA, Long County, GA, Lowndes County, GA, McIntosh County, GA, Pierce County, GA, Ware County, GA, Wayne County, GA
Warnings issued inside it
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 6:36 PM EST | Severe Thunderstorm Warning | TAE | Brooks | 54 min |
| Mar 12, 6:42 PM EST | Severe Thunderstorm Warning | TAE | Taylor | 48 min |
| Mar 12, 6:50 PM EST | Severe Thunderstorm Warning | TAE | Madison | 55 min |
| Mar 12, 6:55 PM EST | Severe Thunderstorm Warning | TAE | Lowndes | 14 days |
| Mar 12, 7:14 PM EST | Severe Thunderstorm Warning | TAE | Lafayette | 14 days |
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.5 hours before the alert went out and 116 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.
- Mixed-layer CAPE
- 35 J/kg
- Mixed-layer CIN
- -138 J/kg
- Mixed-layer LCL
- 507 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 293 m²/s²
- 0-3 km storm-relative helicity
- 316 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS20 KWNS 122222 SEL4 SPC WW 122217 FLZ000-GAZ000-CWZ000-130400- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 24 STORM PREDICTION CENTER NORMAN OK 517 PM EST TUE MAR 12 2002 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF NORTHERN FLORIDA SOUTHERN GEORGIA COASTAL WATERS EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 530 PM UNTIL 1100 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 70 STATUTE MILES EAST AND WEST OF A LINE FROM 65 MILES WEST OF GAINESVILLE FLORIDA TO 40 MILES NORTH NORTHEAST OF WAYCROSS 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. DISCUSSION...STRONG LINE OF THUNDERSTORMS WILL CONTINUE EWD AHEAD OF IMPRESSIVE UPPER LOW NOW OVER THE CENTRAL GULF COAST. VERY STRONG DEEP LAYER SHEAR WILL BE SUPPORTIVE OF SUPERCELLS AND A FEW TORNADOES. 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 450. MEAN STORM MOTION VECTOR 26035. ...EVANS 314,0805 294,0821 294,0843 314,0831 WWUS20 KWNS 122222 SEL4 SPC WW 122217 FLZ000-GAZ000-CWZ000-130400- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 24 STORM PREDICTION CENTER NORMAN OK 517 PM EST TUE MAR 12 2002 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF NORTHERN FLORIDA SOUTHERN GEORGIA COASTAL WATERS EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 530 PM UNTIL 1100 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 70 STATUTE MILES EAST AND WEST OF A LINE FROM 65 MILES WEST OF GAINESVILLE FLORIDA TO 40 MILES NORTH NORTHEAST OF WAYCROSS 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. DISCUSSION...STRONG LINE OF THUNDERSTORMS WILL CONTINUE EWD AHEAD OF IMPRESSIVE UPPER LOW NOW OVER THE CENTRAL GULF COAST. VERY STRONG DEEP LAYER SHEAR WILL BE SUPPORTIVE OF SUPERCELLS AND A FEW TORNADOES. 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 450. MEAN STORM MOTION VECTOR 26035. ...EVANS 314,0805 294,0821 294,0843 314,0831
Nearby
Tornado Watches in Georgia, 2002Tornado Watches in Florida, 2002Every tornado watch in 2002
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.