Alert archive / Alabama / Tornado Watches in 2003

Tornado Watch 16

February 22, 20034 states

The Storm Prediction Center issued this tornado watch at Feb 22, 2003, 12:35 AM CST for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Feb 22, 2003, 12:35 AM CST (06:35 UTC)
Expired
Feb 22, 2003, 6:00 AM CST
In force
5 hr
Issued by
the Storm Prediction Center
All 90 counties

Autauga County, AL, Baldwin County, AL, Bibb County, AL, Bullock County, AL, Butler County, AL, Calhoun County, AL, Chilton County, AL, Choctaw County, AL, Clarke County, AL, Clay County, AL, Cleburne County, AL, Coffee County, AL, Conecuh County, AL, Coosa County, AL, Covington County, AL, Crenshaw County, AL, Dallas County, AL, Elmore County, AL, Escambia County, AL, Fayette County, AL, Geneva County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Mobile County, AL, Monroe County, AL, Montgomery County, AL, Perry County, AL, Pickens County, AL, Pike County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL, Walker County, AL, Washington County, AL, Wilcox County, AL, Escambia County, FL, Holmes County, FL, Okaloosa County, FL, Santa Rosa County, FL, Walton County, FL, Jefferson Parish, LA, Orleans Parish, LA, Saint Bernard Parish, LA, Saint Tammany Parish, LA, Attala County, MS, Calhoun County, MS, Chickasaw County, MS, Choctaw County, MS, Clarke County, MS, Clay County, MS, Covington County, MS, Forrest County, MS, George County, MS, Greene County, MS, Grenada County, MS, Hancock County, MS, Harrison County, MS, Jackson County, MS, Jasper County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Leake County, MS, Lowndes County, MS, Marion County, MS, Monroe County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Pearl River County, MS, Perry County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Stone County, MS, Wayne County, MS, Webster County, MS, Winston County, MS

The radar

The Mobile radar (KMOB), 56 km from the middle of the area, began a volume at 06:38 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

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

IssuedProductOfficeCountiesLasted
Feb 22, 12:35 AM CSTSevere Thunderstorm WarningJANLowndes, Noxubee60 min
Feb 22, 12:41 AM CSTSevere Thunderstorm WarningBMXAutauga34 min
Feb 22, 12:49 AM CSTSevere Thunderstorm WarningBMXElmore26 min
Feb 22, 1:02 AM CSTSevere Thunderstorm WarningJANClay43 min
Feb 22, 1:09 AM CSTSevere Thunderstorm WarningBMXLamar, Marion36 min
Feb 22, 1:12 AM CSTSevere Thunderstorm WarningJANNeshoba43 min
Feb 22, 1:13 AM CSTSevere Thunderstorm WarningMEGMonroe47 min
Feb 22, 1:34 AM CSTSevere Thunderstorm WarningMOBBaldwin26 min
Feb 22, 1:58 AM CSTSevere Thunderstorm WarningMOBEscambia32 min
Feb 22, 2:26 AM CSTTornado WarningLIXJackson19 min
Feb 22, 2:33 AM CSTTornado WarningBMXChilton27 min
Feb 22, 2:39 AM CSTSevere Thunderstorm WarningBMXTuscaloosa, Walker36 min
Feb 22, 2:41 AM CSTSevere Thunderstorm WarningBMXTuscaloosa34 min
Feb 22, 2:55 AM CSTSevere Thunderstorm WarningBMXJefferson50 min
Feb 22, 2:59 AM CSTSevere Thunderstorm WarningBMXMontgomery31 min
Feb 22, 3:05 AM CSTSevere Thunderstorm WarningBMXShelby25 min
Feb 22, 3:16 AM CSTSevere Thunderstorm WarningMOBSanta Rosa29 min
Feb 22, 3:21 AM CSTSevere Thunderstorm WarningBMXSt. Clair24 min
Feb 22, 4:30 AM CSTFlash Flood WarningBMXFayette, Lamar, Marion, Pickens6 hr

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 6.6 hours before the alert went out and 169 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-pSkew-T log-p diagram, Slidell Radar S, LA at 00:00Z on 2003-02-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 199 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 2003-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 440 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
199 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
458 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
440 m²/s²
0-3 km storm-relative helicity
510 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.9

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 220636
SEL6
SPC WW 220635
ALZ000-FLZ000-LAZ000-MSZ000-CWZ000-221200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 16
STORM PREDICTION CENTER NORMAN OK
1235 AM CST SAT FEB 22 2003

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

   ALABAMA                            
   THE WESTERN FLORIDA PANHANDLE                            
   SOUTHEAST LOUISIANA                          
   CENTRAL AND EASTERN MISSISSIPPI                        
   COASTAL WATERS                     

EFFECTIVE THIS SATURDAY MORNING FROM 1235 AM UNTIL 600 AM CST.

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 125 STATUTE MILES EAST AND WEST
OF A LINE FROM 80 MILES EAST OF BOOTHVILLE LOUISIANA TO 50 MILES
NORTH OF TUSCALOOSA 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 13...SEVERE THUNDERSTORM WATCH NUMBER 14.  WATCH NUMBER
13...14 WILL NOT BE IN EFFECT AFTER 35 AM CST.  CONTINUE...WW 15...

DISCUSSION...STRONG PRESSURE FALLS AND STRENGTHENING SHEAR PROFILES
SUGGEST THAT TORNADO THREAT WILL CONTINUE TO SPREAD NWD INTO PARTS
OF CNTRL MS/AL LATER THIS MORNING AS BOUNDARY LAYER AIR MASS
RECOVERY CONTINUES.  SFC-1 KM SHEAR IS ON THE ORDER OF 40 KTS
ACROSS E CNTRL MS AND CNTRL AL ATTM.

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 500. 
MEAN STORM MOTION VECTOR 22050.

...CORFIDI

335,0852 291,0860 291,0900 335,0894

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 21, 7:26 PM CSTMesoscale DiscussionSPCBaldwin, Clarke, Mobile, Washington2 hr
Feb 21, 8:15 PM CSTTornado WatchSPCBaldwin, Butler, Clarke, Conecuh, Covington, Crenshaw and 4 more6 hr
Feb 21, 9:03 PM CSTMesoscale DiscussionSPCAutauga, Bibb, Blount, Chilton, Choctaw, Coosa and 22 more3 hr
Feb 21, 9:30 PM CSTSevere Thunderstorm WatchSPCAutauga, Bibb, Calhoun, Chilton, Choctaw, Clay and 20 more7 hr
Feb 21, 10:22 PM CSTMesoscale DiscussionSPCBaldwin, Butler, Clarke, Conecuh, Covington, Crenshaw and 4 more113 min
Feb 21, 10:40 PM CSTMesoscale DiscussionSPCAutauga, Bibb, Calhoun, Chilton, Choctaw, Clay and 20 more2 hr
Feb 21, 11:14 PM CSTMesoscale DiscussionSPCBlount, Calhoun, Cherokee, Cleburne, Cullman, DeKalb and 16 more4 hr
Feb 21, 11:40 PM CSTTornado WatchSPCBarbour, Bullock, Coffee, Dale, Geneva, Henry and 5 more6 hr
Feb 22, 2:47 AM CSTMesoscale DiscussionSPCCalhoun, Cherokee, Cleburne, DeKalb, Etowah, Jackson and 4 more3 hr
Feb 22, 3:35 AM CSTTornado WatchSPCBlount, Calhoun, Chambers, Cherokee, Chilton, Clay and 12 more2 hr
Feb 22, 3:51 AM CSTMesoscale DiscussionSPCAutauga, Baldwin, Barbour, Bibb, Bullock, Butler and 43 more114 min
Feb 22, 5:19 AM CSTMesoscale DiscussionSPCBarbour, Henry, Houston, Russell56 min
Feb 22, 5:50 AM CSTTornado WatchSPCHenry, Houston5 hr
Feb 22, 9:14 AM CSTMesoscale DiscussionSPCDeKalb, Jackson, Marshall2 hr
Feb 22, 10:35 AM CSTTornado WatchSPCDeKalb, Jackson5 hr
Feb 21, 6:18 PM CSTMesoscale DiscussionSPCBaker, Bradford, Clay, Columbia, Duval, Hamilton and 7 more3 hr
Feb 22, 9:59 AM CSTMesoscale DiscussionSPCBaker, Duval, Nassau61 min
Feb 22, 10:55 AM CSTTornado WatchSPCAlachua, Baker, Bradford, Clay, Columbia, Duval and 6 more5 hr
Feb 22, 11:55 AM CSTMesoscale DiscussionSPCBrevard, Charlotte, DeSoto, Glades, Hardee, Highlands and 11 more3 hr
Feb 22, 12:33 PM CSTMesoscale DiscussionSPCBrevard, Charlotte, DeSoto, Dixie, Glades, Hardee and 13 more117 min
Feb 22, 12:49 PM CSTMesoscale DiscussionSPCAlachua, Bradford, Clay, Duval, Nassau, Putnam and 1 more116 min
Feb 22, 2:48 PM CSTMesoscale DiscussionSPCBrevard, Charlotte, DeSoto, Flagler, Hardee, Highlands and 14 more27 min
Feb 21, 10:54 PM CSTMesoscale DiscussionSPCBeauregard, Bienville, Bossier, Caddo, De Soto, Natchitoches and 4 more3 hr
Feb 22, 2:02 AM CSTMesoscale DiscussionSPCCaldwell, Catahoula, Concordia, East Carroll, Franklin, LaSalle and 6 more3 hr

Nearby

Tornado Watches in Alabama, 2003Tornado Watches in Mississippi, 2003Tornado Watches in Florida, 2003Every tornado watch in 2003

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.