Alert archive / Mississippi / Tornado Watches in 1998

Tornado Watch 893

November 10, 199823 counties in Alabama; Dade County, Georgia; 34 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Nov 10, 1998, 10:00 AM CST for 23 counties in Alabama; Dade County, Georgia; 34 counties in Mississippi. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Nov 10, 1998, 10:00 AM CST (16:00 UTC)
Expired
Nov 10, 1998, 3:00 PM CST
In force
5 hr
Issued by
the Storm Prediction Center
All 58 counties

Blount County, AL, Choctaw County, AL, Colbert County, AL, Cullman County, AL, Fayette County, AL, Franklin County, AL, Greene County, AL, Hale County, AL, Jackson County, AL, Jefferson County, AL, Lamar County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marion County, AL, Marshall County, AL, Morgan County, AL, Pickens County, AL, Sumter County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL, Dade County, GA, Amite County, MS, Choctaw County, MS, Clarke County, MS, Clay County, MS, Copiah County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, Itawamba County, MS, Jasper County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lincoln County, MS, Lowndes County, MS, Marion County, MS, Monroe County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Perry County, MS, Pike County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Walthall County, MS, Wayne County, MS, Winston County, MS

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Nov 10, 10:05 AM CSTTornado WarningMEGItawamba, Lee35 min
Nov 10, 10:08 AM CSTSevere Thunderstorm WarningBMXFranklin, Marion62 min
Nov 10, 10:22 AM CSTSevere Thunderstorm WarningJANLowndes48 min
Nov 10, 10:29 AM CSTSevere Thunderstorm WarningLIXAmite46 min
Nov 10, 10:31 AM CSTSevere Thunderstorm WarningBMXColbert, Lauderdale49 min
Nov 10, 10:35 AM CSTSevere Thunderstorm WarningBMXLamar50 min
Nov 10, 10:47 AM CSTSevere Thunderstorm WarningBMXPickens63 min
Nov 10, 10:47 AM CSTSevere Thunderstorm WarningJANScott, Smith48 min
Nov 10, 11:03 AM CSTSevere Thunderstorm WarningLIXPike47 min
Nov 10, 11:04 AM CSTSevere Thunderstorm WarningJANLawrence, Simpson46 min
Nov 10, 11:24 AM CSTSevere Thunderstorm WarningLIXWalthall46 min
Nov 10, 11:30 AM CSTSevere Thunderstorm WarningJANCovington, Jefferson Davis50 min
Nov 10, 11:39 AM CSTTornado WarningLIXWalthall31 min
Nov 10, 12:13 PM CSTSevere Thunderstorm WarningJANJones47 min
Nov 10, 12:23 PM CSTSevere Thunderstorm WarningJANLamar52 min
Nov 10, 12:31 PM CSTSevere Thunderstorm WarningJANForrest49 min

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 4.0 hours before the alert went out and 104 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, Jackson, MS at 12:00Z on 1998-11-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 222 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, Jackson, MS at 12:00Z on 1998-11-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 square meters per square second.1939587897Sfc1 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
222 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
762 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
279 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

721 
WWUS9 KMKC 101521
SEL3  
MKC WW 101521
MSZ000-ALZ000-102100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 893
STORM PREDICTION CENTER NORMAN OK
921 AM CST TUE NOV 10 1998

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

   CENTRAL AND EASTERN MISSISSIPPI                        
   NORTHERN AND WESTERN ALABAMA                            

EFFECTIVE THIS TUESDAY MORNING AND AFTERNOON FROM 1000 AM UNTIL 300
PM CST.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 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 20 MILES SOUTHEAST OF MC COMB MISSISSIPPI TO 25
MILES NORTH NORTHEAST OF HUNTSVILLE 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...  CONTINUE...WW 890...WW 891...WW 892...

DISCUSSION...SQUALL LINE IS INTENSIFYING AS VERY MOIST AND UNSTABLE
AIRMASS CONTINUE TO RAPIDLY MOVE NEWD ACROSS MS INTO AL.  SHEAR
PROFILES REMAIN VERY FAVORABLE FOR SUPERCELLS AND ISOLATED
TORNADOES WITH AND JUST AHEAD OF SQUALL LINE.


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 520. 
MEAN STORM MOTION VECTOR 23045.


...HALES

305,0912 345,0875 345,0852 305,0890

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 10, 6:15 AM CSTTornado WatchSPCAlcorn, Attala, Benton, Bolivar, Calhoun, Carroll and 31 more5 hr
Nov 10, 11:15 AM CSTTornado WatchSPCGeorge, Hancock, Harrison, Pearl River, Stone5 hr

Nearby

Tornado Watches in Mississippi, 1998Tornado Watches in Alabama, 1998Tornado Watches in Georgia, 1998Every tornado watch in 1998

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.