Alert archive / Alabama / Tornado Watches in 2001

Tornado Watch 656

August 6, 200117 counties in Alabama; 13 counties in Florida; 12 counties in Georgia

The Storm Prediction Center issued this tornado watch at Aug 6, 2001, 4:00 AM CDT for 17 counties in Alabama; 13 counties in Florida; 12 counties in Georgia. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Aug 6, 2001, 4:00 AM CDT (09:00 UTC)
Expired: Aug 6, 2001, 10:00 AM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 42 counties

Autauga County, AL, Barbour County, AL, Bullock County, AL, Butler County, AL, Coffee County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Dallas County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Lowndes County, AL, Macon County, AL, Montgomery County, AL, Pike 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, Taylor County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Calhoun County, GA, Clay County, GA, Decatur County, GA, Early County, GA, Grady County, GA, Miller County, GA, Muscogee County, GA, Quitman County, GA, Randolph County, GA, Seminole County, GA, Stewart County, GA

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 9.0 hours before the alert went out and 148 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 763 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 471 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 236 m²/s²
0-3 km storm-relative helicity: 268 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

645 
WWUS9 KMKC 060900
SEL6  
MKC WW 060848
ALZ000-FLZ000-GAZ000-CWZ000-061500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 656
STORM PREDICTION CENTER NORMAN OK
348 AM CDT MON AUG 6 2001

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

   SOUTHERN ALABAMA                            
   THE FLORIDA PANHANDLE                           
   SOUTHWEST GEORGIA                            
   COASTAL WATERS                     

EFFECTIVE THIS MONDAY MORNING FROM 400 AM UNTIL 1000 AM CDT.

TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 60 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 25 MILES NORTHEAST OF MONTGOMERY ALABAMA TO 50 MILES
SOUTH SOUTHWEST OF TALLAHASSEE FLORIDA.

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 655.  WATCH NUMBER 655 WILL NOT BE IN EFFECT AFTER 400 AM
CDT.

DISCUSSION...PRESSURE FALL CENTER ASSOCIATED WITH T.S. BARRY...ATTM
CENTERED NEAR KGZH IN S CNTRL AL...EXPECTED TO CONTINUE MOVING
SLOWLY N OR NNW INTO CNTRL AL.  VEERING WIND PROFILES SHOULD REMAIN
FAVORABLE FOR LOW LEVEL ROTATION IN ANY SUSTAINED UPDRAFTS WHICH
DEVELOP N AND E OF THE FALL CENTER.  THREAT FOR TORNADOES MAY
INCREASE AS SURFACE HEATING DESTABLIZES REGION LATER THIS MORNING. 

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH...EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 50 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. 
MEAN STORM MOTION VECTOR 16025.

...CORFIDI

323,0845 294,0833 294,0855 323,0871

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 5, 10:45 PM CDT	Tornado Watch	SPC	Geneva	7 hr
Aug 6, 10:00 AM CDT	Tornado Watch	SPC	Autauga, Barbour, Bibb, Bullock, Butler, Chambers and 27 more	9 hr

Nearby

Tornado Watches in Alabama, 2001 Tornado Watches in Florida, 2001 Tornado Watches in Georgia, 2001 Every 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.