Alert archive / Georgia / Tornado Watches in 2001
Tornado Watch 399
The Storm Prediction Center issued this tornado watch at Jun 11, 2001, 6:15 PM CDT for 5 counties in Alabama; 17 counties in Florida; 19 counties in Georgia. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 11, 2001, 6:15 PM CDT (23:15 UTC)
- Expired
- Jun 11, 2001, 11:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 41 counties
Coffee County, AL, Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Bay County, FL, Calhoun County, FL, Columbia County, FL, Gadsden County, FL, Hamilton County, FL, Holmes County, FL, Jackson 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, Walton County, FL, Washington County, FL, Atkinson County, GA, Baker County, GA, Berrien County, GA, Brooks County, GA, Calhoun County, GA, Clay County, GA, Clinch County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Early County, GA, Echols County, GA, Grady County, GA, Lanier County, GA, Lowndes County, GA, Miller County, GA, Mitchell County, GA, Seminole County, GA, Thomas County, GA
The radar
The Tallahassee radar (KTLH), 77 km from the middle of the area, began a volume at 23:16 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
16 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 6:34 PM CDT | Tornado Warning | TAE | Madison | 26 min |
| Jun 11, 7:03 PM CDT | Tornado Warning | TAE | Madison | 27 min |
| Jun 11, 7:13 PM CDT | Tornado Warning | JAX | Clinch | 32 min |
| Jun 11, 7:19 PM CDT | Tornado Warning | TAE | Jefferson, Madison | 26 min |
| Jun 11, 7:41 PM CDT | Tornado Warning | TAE | Madison | 34 min |
| Jun 11, 7:47 PM CDT | Tornado Warning | JAX | Atkinson, Clinch | 43 min |
| Jun 11, 8:13 PM CDT | Tornado Warning | TAE | Madison | 62 min |
| Jun 11, 8:50 PM CDT | Tornado Warning | TAE | Leon, Wakulla | 40 min |
| Jun 11, 8:58 PM CDT | Tornado Warning | TAE | Lowndes | 32 min |
| Jun 11, 9:13 PM CDT | Tornado Warning | TAE | Madison | 32 min |
| Jun 11, 9:27 PM CDT | Tornado Warning | TAE | Leon | 48 min |
| Jun 11, 9:48 PM CDT | Flash Flood Warning | TAE | Leon | 4 hr |
| Jun 11, 9:57 PM CDT | Flash Flood Warning | TAE | Leon | 5 hr |
| Jun 11, 10:01 PM CDT | Tornado Warning | TAE | Jefferson, Leon | 29 min |
| Jun 11, 10:07 PM CDT | Tornado Warning | JAX | Columbia, Hamilton | 38 min |
| Jun 11, 10:22 PM CDT | Tornado Warning | JAX | Echols | 38 min |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.3 hours before the alert went out and 268 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
- 533 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 607 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS9 KMKC 112306 SEL9 SEL9 MKC WW 112302 ALZ000-FLZ000-GAZ000-120400- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 399 STORM PREDICTION CENTER NORMAN OK 702 PM EDT MON JUN 11 2001 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF SOUTHEAST ALABAMA FLORIDA PANHANDLE SOUTHERN GEORGIA EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 715 PM UNTIL MIDNIGHT EDT. 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 55 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES WEST SOUTHWEST OF DOTHAN ALABAMA TO 50 MILES EAST SOUTHEAST OF VALDOSTA 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 396...WW 397...WW 398... DISCUSSION...CONDITIONS REMAIN FAVORABLE FOR SMALL TORNADIC SUPERCELLS AHEAD OF CIRCULATION CENTER OVER SWRN AL. SHEAR PROFILES AND TROPICAL AIRMASS WILL CONTINUE THE THREAT OF ISOLATED TORNADOES SEVERAL MORE HOURS. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAITL 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 19030. ...HALES ;314,0861 311,0823 294,0823 301,0861;
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 7:45 AM CDT | Tornado Watch | SPC | Baldwin, Conecuh, Escambia, Mobile, Monroe, Washington | 5 hr |
| Jun 11, 12:45 PM CDT | Tornado Watch | SPC | Barbour, Coffee, Covington, Crenshaw, Dale, Geneva and 3 more | 4 hr |
Nearby
Tornado Watches in Georgia, 2001Tornado Watches in Florida, 2001Tornado Watches in Alabama, 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; radar from the NEXRAD Level II archive.