Alert archive / Alabama / Tornado Watches in 2002

Tornado Watch 756

November 11, 20025 states

The Storm Prediction Center issued this tornado watch at Nov 11, 2002, 2:10 AM CST for 5 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Nov 11, 2002, 2:10 AM CST (08:10 UTC)
Expired: Nov 11, 2002, 7:00 AM CST
In force: 5 hr
Issued by: the Storm Prediction Center

All 38 counties

Baldwin County, AL, Barbour County, AL, Butler County, AL, Choctaw County, AL, Clarke County, AL, Coffee County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Escambia County, AL, Geneva County, AL, Henry County, AL, Mobile County, AL, Monroe County, AL, Pike County, AL, Washington County, AL, Wilcox County, AL, Escambia County, FL, Holmes County, FL, Okaloosa County, FL, Santa Rosa County, FL, Walton County, FL, Clay County, GA, Quitman County, GA, Randolph County, GA, Orleans Parish, LA, Saint Tammany Parish, LA, Forrest County, MS, George County, MS, Greene County, MS, Hancock County, MS, Harrison County, MS, Jackson County, MS, Pearl River County, MS, Perry County, MS, Stone County, MS, Wayne County, MS

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Nov 11, 5:16 AM CST	Tornado Warning	TAE	Randolph	43 days
Nov 11, 5:57 AM CST	Tornado Warning	BMX	Pike	33 min

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 8.2 hours before the alert went out and 162 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: 9958 J/kg
Mixed-layer CIN: -593 J/kg
Mixed-layer LCL: 1640 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 162 m²/s²
0-3 km storm-relative helicity: 191 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 11.8

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 110810
SEL6  
SPC WW 110810
ALZ000-FLZ000-GAZ000-LAZ000-MSZ000-CWZ000-111300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 756
STORM PREDICTION CENTER NORMAN OK
210 AM CST MON NOV 11 2002

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

   SOUTHERN ALABAMA                            
   EXTREME WESTERN FLORIDA PANHANDLE
   A SMALL PART OF SOUTHWEST GEORGIA                            
   A SMALL PART OF SOUTHEAST LOUISIANA                          
   SOUTHERN MISSISSIPPI                        
   COASTAL WATERS                     

EFFECTIVE THIS MONDAY MORNING FROM 210 AM UNTIL 700 AM CST.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 115 STATUTE MILES EAST AND WEST
OF A LINE FROM 35 MILES SOUTHEAST OF GULFPORT MISSISSIPPI TO 25
MILES WEST NORTHWEST OF TROY ALABAMA.

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 752.  WATCH NUMBER 752 WILL NOT BE IN EFFECT AFTER 210 AM
CST.  CONTINUE...WW 754...WW 755...

DISCUSSION...DEEP MIDLEVEL TROUGH WILL CONTINUE OVER THE PLAINS
STATES...MAINTAINING STRONG DEEP LAYER SHEAR AND LARGE SCALE ASCENT
ACROSS THE CENTRAL GULF COAST REGION.  INSTABILITY AND SHEAR REMAIN
SUPPORTIVE OF SUPERCELLS AND A FEW TORNADOES AS LINE OF STORMS
SHIFTS SLOWLY EWD.


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. 
MEAN STORM MOTION VECTOR 25040.


...EVANS

315,0842 300,0864 300,0903 315,0882

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 10, 7:55 PM CST	Tornado Watch	SPC	Coffee, Dale, Geneva, Henry, Houston	5 hr
Nov 10, 10:05 PM CST	Tornado Watch	SPC	Autauga, Bibb, Blount, Bullock, Butler, Calhoun and 30 more	6 hr
Nov 11, 2:30 AM CST	Tornado Watch	SPC	Autauga, Bullock, Chambers, Clay, Coosa, Dallas and 8 more	6 hr
Nov 11, 6:30 AM CST	Tornado Watch	SPC	Barbour, Coffee, Dale, Geneva, Henry, Houston	6 hr
Nov 11, 4:40 AM CST	Tornado Watch	SPC	Baldwin, Bleckley, Burke, Candler, Columbia, Dodge and 25 more	5 hr
Nov 11, 10:05 AM CST	Severe Thunderstorm Watch	SPC	Bryan, Bulloch, Burke, Candler, Chatham, Dodge and 16 more	6 hr
Nov 10, 9:20 PM CST	Tornado Watch	SPC	Ascension, East Baton Rouge, East Feliciana, Iberville, Livingston, Saint Helena and 6 more	6 hr

Nearby

Tornado Watches in Alabama, 2002 Tornado Watches in Mississippi, 2002 Tornado Watches in Florida, 2002 Every 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.