Alert archive / Alabama / Tornado Watches in 2005

Tornado Watch 11

January 13, 200535 counties in Alabama; 6 counties in Florida; 6 counties in Georgia

The Storm Prediction Center issued this tornado watch at Jan 13, 2005, 10:45 AM CST for 35 counties in Alabama; 6 counties in Florida; 6 counties in Georgia. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Jan 13, 2005, 10:45 AM CST (16:45 UTC)
Expired: Jan 13, 2005, 4:00 PM CST
In force: 5 hr
Issued by: the Storm Prediction Center

All 47 counties

Autauga County, AL, Baldwin County, AL, Barbour County, AL, Bibb County, AL, Bullock County, AL, Butler County, AL, Chambers County, AL, Chilton County, AL, Clarke County, AL, Clay County, AL, Coffee County, AL, Conecuh County, AL, Coosa County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Dallas County, AL, Elmore County, AL, Escambia County, AL, Geneva County, AL, Hale County, AL, Henry County, AL, Houston County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Monroe County, AL, Montgomery County, AL, Perry County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, Tallapoosa County, AL, Wilcox County, AL, Escambia County, FL, Holmes County, FL, Okaloosa County, FL, Santa Rosa County, FL, Walton County, FL, Washington County, FL, Harris County, GA, Heard County, GA, Meriwether County, GA, Muscogee County, GA, Quitman County, GA, Troup County, GA

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jan 13, 11:11 AM CST	Severe Thunderstorm Warning	BMX	Chilton	34 min
Jan 13, 11:26 AM CST	Severe Thunderstorm Warning	BMX	Autauga	34 min
Jan 13, 2:47 PM CST	Severe Thunderstorm Warning	BMX	Lee, Russell	58 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

Birmingham, AL (KBMX), launched 12:00Z, 4.8 hours before the alert went out and 194 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: 24 J/kg
Mixed-layer CIN: -129 J/kg
Mixed-layer LCL: 891 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 200 m²/s²
0-3 km storm-relative helicity: 301 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.

000 
WWUS20 KWNS 131645
SEL1  
SPC WW 131645
ALZ000-FLZ000-CWZ000-132200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 11
NWS STORM PREDICTION CENTER NORMAN OK
1045 AM CST THU JAN 13 2005

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

       SOUTHERN AND EASTERN ALABAMA
       WESTERN FLORIDA PANHANDLE
       COASTAL WATERS

EFFECTIVE THIS THURSDAY MORNING AND AFTERNOON FROM 1045 AM UNTIL
400 PM CST.

TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 85 STATUTE MILES EAST AND WEST
OF A LINE FROM 60 MILES WEST NORTHWEST OF LA GRANGE GEORGIA TO 30
MILES SOUTHEAST OF PENSACOLA 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 9. WATCH NUMBER 9 WILL NOT BE IN EFFECT AFTER 1045 AM
CST. CONTINUE...WW 10...

DISCUSSION...THREAT WILL EXIST FOR ISOLATED TORNADOES AND DAMAGING
WIND GUSTS WITH SUPERCELLS EMBEDDED IN SQUALL LINE NOW OVER CNTRL
AL/SE MS.  MODEST SURFACE HEATING AND LINGERING PRESENCE OF MODERATE
TO STRONG LOW LEVEL SHEAR EXPECTED TO MAINTAIN POTENTIAL FOR LOW
LEVEL STORM ROTATION DESPITE SLOW WEAKENING OF DEEP SSWLY WIND
FIELD.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400.
MEAN STORM MOTION VECTOR 21040.


...CORFIDI

331,0843 300,0852 300,0881 331,0873

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 13, 5:45 AM CST	Tornado Watch	SPC	Bibb, Choctaw, Clarke, Greene, Hale, Marengo and 4 more	5 hr
Jan 13, 7:03 AM CST	Mesoscale Discussion	SPC	Blount, Cullman, Fayette, Franklin, Jefferson, Lamar and 7 more	87 min
Jan 13, 7:15 AM CST	Severe Thunderstorm Watch	SPC	Blount, Colbert, Cullman, Fayette, Franklin, Jackson and 12 more	6 hr
Jan 13, 9:53 AM CST	Mesoscale Discussion	SPC	Blount, Calhoun, Cherokee, Cleburne, DeKalb, Etowah and 2 more	2 hr
Jan 13, 10:12 AM CST	Mesoscale Discussion	SPC	Autauga, Baldwin, Barbour, Bibb, Bullock, Butler and 31 more	63 min
Jan 13, 1:13 PM CST	Mesoscale Discussion	SPC	Barbour, Bullock, Coffee, Covington, Crenshaw, Dale and 6 more	2 hr
Jan 13, 4:40 PM CST	Tornado Watch	SPC	Baldwin, Banks, Bibb, Bleckley, Burke, Butts and 55 more	6 hr
Jan 13, 5:19 PM CST	Mesoscale Discussion	SPC	Appling, Atkinson, Bacon, Baldwin, Brantley, Bulloch and 41 more	41 min

Nearby

Tornado Watches in Alabama, 2005 Tornado Watches in Florida, 2005 Tornado Watches in Georgia, 2005 Every tornado watch in 2005

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.