Alert archive / Tennessee / Tornado Watches in 2003

Tornado Watch 262

May 6, 20036 states

The Storm Prediction Center issued this tornado watch at May 6, 2003, 1:50 AM CDT for 6 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 6, 2003, 1:50 AM CDT (06:50 UTC)
Expired
May 6, 2003, 8:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 83 counties

Blount County, AL, Calhoun County, AL, Cherokee County, AL, Cleburne County, AL, Colbert County, AL, Cullman County, AL, DeKalb County, AL, Etowah County, AL, Franklin County, AL, Jackson County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marion County, AL, Marshall County, AL, Morgan County, AL, St. Clair County, AL, Walker County, AL, Winston County, AL, Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Lee County, AR, Mississippi County, AR, Phillips County, AR, Poinsett County, AR, St. Francis County, AR, Chattooga County, GA, Dade County, GA, Dunklin County, MO, Pemiscot County, MO, Alcorn County, MS, Benton County, MS, DeSoto County, MS, Itawamba County, MS, Lafayette County, MS, Lee County, MS, Marshall County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Tunica County, MS, Union County, MS, Bedford County, TN, Carroll County, TN, Chester County, TN, Coffee County, TN, Crockett County, TN, Decatur County, TN, Dyer County, TN, Fayette County, TN, Franklin County, TN, Gibson County, TN, Giles County, TN, Grundy County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Hickman County, TN, Lauderdale County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Madison County, TN, Marion County, TN, Marshall County, TN, Maury County, TN, McNairy County, TN, Moore County, TN, Perry County, TN, Sequatchie County, TN, Shelby County, TN, Tipton County, TN, Warren County, TN, Wayne County, TN

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 6, 1:53 AM CDTSevere Thunderstorm WarningMEGFayette, Shelby52 min
May 6, 2:06 AM CDTSevere Thunderstorm WarningMEGTunica24 min
May 6, 2:24 AM CDTSevere Thunderstorm WarningMEGDeSoto, Tate51 min
May 6, 2:28 AM CDTSevere Thunderstorm WarningMEGPrentiss, Union47 min
May 6, 3:30 AM CDTFlash Flood WarningHUNJackson2 hr
May 6, 3:34 AM CDTFlash Flood WarningMEGBenton, DeSoto, Marshall, Tate116 min
May 6, 3:36 AM CDTFlash Flood WarningFFCDade, Walker3 hr
May 6, 4:16 AM CDTSevere Thunderstorm WarningHUNDeKalb29 min
May 6, 4:24 AM CDTSevere Thunderstorm WarningOHXLawrence, Lewis51 min
May 6, 4:27 AM CDTFlash Flood WarningMEGHardeman, McNairy2 hr
May 6, 4:32 AM CDTTornado WarningOHXLawrence28 min
May 6, 4:39 AM CDTSevere Thunderstorm WarningHUNLauderdale36 min
May 6, 4:50 AM CDTSevere Thunderstorm WarningOHXWayne40 min
May 6, 4:56 AM CDTTornado WarningOHXGiles, Lawrence34 min
May 6, 4:58 AM CDTFlash Flood WarningMEGFayette, Shelby2 hr
May 6, 5:02 AM CDTFlash Flood WarningMEGAlcorn, Prentiss, Tippah, Tishomingo118 min
May 6, 5:18 AM CDTFlash Flood WarningOHXGiles, Lawrence, Lewis, Marshall, Maury, Wayne3 hr
May 6, 5:18 AM CDTTornado WarningOHXLawrence, Wayne42 min
May 6, 5:21 AM CDTTornado WarningOHXLincoln, Marshall39 min
May 6, 5:45 AM CDTSevere Thunderstorm WarningHUNColbert, Lauderdale45 min
May 6, 5:53 AM CDTTornado WarningOHXBedford, Moore37 min
May 6, 5:58 AM CDTTornado WarningOHXGiles, Lawrence32 min
May 6, 6:17 AM CDTTornado WarningHUNColbert, Lauderdale43 min
May 6, 6:25 AM CDTFlash Flood WarningMEGHardeman, McNairy95 min
May 6, 6:32 AM CDTTornado WarningOHXGiles, Lincoln43 min
May 6, 6:37 AM CDTTornado WarningOHXGiles, Lincoln38 min
May 6, 6:43 AM CDTFlash Flood WarningOHXBedford, Coffee4 hr
May 6, 6:54 AM CDTFlash Flood WarningMEGHardin66 min
May 6, 6:59 AM CDTTornado WarningHUNColbert, Lauderdale, Lawrence, Limestone31 min
May 6, 7:13 AM CDTTornado WarningOHXLincoln, Moore32 min
May 6, 7:15 AM CDTFlash Flood WarningFFCCatoosa, Dade, Walker3 hr
May 6, 7:16 AM CDTTornado WarningOHXLincoln, Moore29 min
May 6, 7:28 AM CDTFlash Flood WarningHUNLauderdale92 min
May 6, 7:30 AM CDTTornado WarningHUNLimestone, Madison30 min
May 6, 7:41 AM CDTTornado WarningOHXCoffee34 min
May 6, 7:43 AM CDTFlash Flood WarningHUNLimestone, Madison107 min
May 6, 7:47 AM CDTFlash Flood WarningOHXLincoln, Moore3 hr
May 6, 7:56 AM CDTTornado Warning EmergencyHUNLimestone, Madison34 min
May 6, 7:57 AM CDTFlash Flood WarningOHXFranklin3 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

Little Rock, AR (KLZK), launched 00:00Z, 6.8 hours before the alert went out and 126 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, Little Rock, AR at 00:00Z on 2003-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1533 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 00:00Z on 2003-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 202 square meters per square second.1939587897117Sfc1 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
1533 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
824 m above ground
0-6 km bulk shear
91 kt
0-1 km storm-relative helicity
202 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
1.3
Supercell composite
4.7

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 060651
SEL2  
SPC WW 060650
ALZ000-ARZ000-MOZ000-MSZ000-TNZ000-061300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 262 
NWS STORM PREDICTION CENTER NORMAN OK 
150 AM CDT TUE MAY 6 2003

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

       NORTHERN ALABAMA
       NORTHEAST ARKANSAS
       THE MISSOURI BOOTHEEL
       NORTHERN MISSISSIPPI
       WEST AND MIDDLE TENNESSEE

EFFECTIVE THIS TUESDAY MORNING FROM 150 AM UNTIL 800 AM CDT.

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 75 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 35 MILES SOUTH SOUTHWEST OF JONESBORO
ARKANSAS TO 60 MILES NORTHEAST OF GADSDEN 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 260. WATCH NUMBER 260 WILL NOT BE IN EFFECT AFTER 150
AM CDT. CONTINUE...WW 259...WW 261...


DISCUSSION...COMPOSITE OUTFLOW BOUNDARY ORIENTED WNW/ESE FROM NRN MS
INTO CNTRL AL EXPECTED TO CONTINUE LIFTING NWD OVERNIGHT AHEAD OF
WEAK UPPER IMPULSE CROSSING MO.  COMBINATION OF RICH MOISTURE INFLOW
AND 60-70 KT MID LEVEL JET SUGGEST LIKELIHOOD FOR SUPERCELLS AND
ISOLATED TORNADOES AS LOW LEVEL UPLIFT FOCUSES ALONG BOUNDARY.	

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 27040.


...CORFIDI

362,0905 353,0851 333,0851 341,0905

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 5, 7:53 PM CDTMesoscale DiscussionSPCBlount, Calhoun, Cherokee, Clay, Cleburne, Colbert and 20 more2 hr
May 5, 9:05 PM CDTTornado WatchSPCBibb, Blount, Calhoun, Chambers, Cherokee, Clay and 17 more7 hr
May 5, 10:27 PM CDTMesoscale DiscussionSPCBlount, Calhoun, Cherokee, Cleburne, Cullman, DeKalb and 12 more2 hr
May 6, 1:26 AM CDTMesoscale DiscussionSPCBlount, Calhoun, Chambers, Cherokee, Clay, Cleburne and 17 more3 hr
May 6, 5:06 AM CDTMesoscale DiscussionSPCBlount, Calhoun, Cherokee, Cleburne, Colbert, Cullman and 9 more3 hr
May 6, 7:40 AM CDTTornado WatchSPCBlount, Calhoun, Cherokee, Cleburne, Colbert, Cullman and 16 more5 hr
May 6, 10:26 AM CDTMesoscale DiscussionSPCBlount, Calhoun, Cherokee, Cleburne, Colbert, Cullman and 15 more2 hr
May 6, 12:15 PM CDTMesoscale DiscussionSPCBibb, Blount, Calhoun, Cherokee, Clay, Cleburne and 18 more90 min
May 6, 12:30 PM CDTTornado WatchSPCBibb, Blount, Calhoun, Chambers, Cherokee, Chilton and 22 more7 hr
May 6, 3:41 PM CDTMesoscale DiscussionSPCBibb, Blount, Calhoun, Chambers, Cherokee, Chilton and 20 more2 hr
May 6, 5:48 PM CDTMesoscale DiscussionSPCBibb, Chilton, Coosa, Greene, Hale, Jefferson and 5 more3 hr
May 5, 10:58 PM CDTMesoscale DiscussionSPCBenton, Boone, Carroll, Fulton, Marion2 hr
May 6, 10:32 AM CDTMesoscale DiscussionSPCBenton, Crawford, Franklin, Sebastian, Washington118 min
May 6, 11:40 AM CDTTornado WatchSPCBenton, Boone, Carroll, Crawford, Franklin, Johnson and 4 more7 hr
May 6, 3:05 PM CDTTornado WatchSPCLogan, Polk, Scott, Sebastian6 hr
May 6, 5:33 PM CDTMesoscale DiscussionSPCBaxter, Benton, Boone, Franklin, Fulton, Johnson and 6 more117 min
May 6, 6:55 PM CDTTornado WatchSPCBaxter, Benton, Boone, Carroll, Clark, Cleburne and 32 more5 hr
May 5, 8:30 PM CDTTornado WatchSPCBaldwin, Barrow, Bibb, Butts, Carroll, Clarke and 43 more8 hr
May 6, 12:55 AM CDTTornado WatchSPCBurke, Columbia, Jefferson, Lincoln, McDuffie, Richmond6 hr
May 6, 1:53 AM CDTMesoscale DiscussionSPCBaldwin, Barrow, Butts, Carroll, Clarke, Clayton and 40 more2 hr
May 6, 5:23 AM CDTMesoscale DiscussionSPCBurke, Columbia, Jefferson, McDuffie, Richmond2 hr
May 6, 9:45 AM CDTSevere Thunderstorm WatchSPCBanks, Barrow, Bartow, Carroll, Catoosa, Chattooga and 41 more5 hr
May 6, 1:18 PM CDTMesoscale DiscussionSPCEffingham, Screven117 min
May 6, 6:49 AM CDTMesoscale DiscussionSPCBarton, Bates, Benton, Caldwell, Camden, Carroll and 27 more3 hr
May 6, 7:55 AM CDTSevere Thunderstorm WatchSPCBarton, Bates, Benton, Camden, Cass, Cedar and 22 more5 hr
May 6, 11:29 AM CDTMesoscale DiscussionSPCBarton, Bates, Benton, Cass, Cedar, Clay and 18 more2 hr
May 6, 11:55 AM CDTSevere Thunderstorm WatchSPCCole, Crawford, Dent, Franklin, Gasconade, Iron and 16 more4 hr
May 6, 2:15 PM CDTTornado WatchSPCBoone, Callaway, Camden, Carter, Cole, Cooper and 27 more5 hr
May 6, 3:42 PM CDTMesoscale DiscussionSPCBarton, Bates, Benton, Boone, Callaway, Camden and 20 more2 hr
May 6, 5:08 PM CDTMesoscale DiscussionSPCFranklin, Jefferson, Saint Charles, Saint Louis, Warren, City of Saint Louis2 hr
May 6, 5:40 PM CDTTornado WatchSPCBollinger, Butler, Cape Girardeau, Iron, Jefferson, Madison and 11 more6 hr
May 6, 6:35 PM CDTTornado WatchSPCBarry, Barton, Camden, Carter, Cedar, Christian and 31 more5 hr

Nearby

Tornado Watches in Tennessee, 2003Tornado Watches in Alabama, 2003Tornado Watches in Mississippi, 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.