Alert archive / Mississippi / Tornado Watches in 2000

Tornado Watch 28

February 13, 20004 states

The Storm Prediction Center issued this tornado watch at Feb 13, 2000, 8:15 PM CST for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Feb 13, 2000, 8:15 PM CST (02:15 UTC)
Expired: Feb 14, 2000, 2:00 AM CST
In force: 6 hr
Issued by: the Storm Prediction Center

All 61 counties

Colbert County, AL, Franklin County, AL, Tensas Parish, LA, Alcorn County, MS, Attala County, MS, Benton County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Claiborne County, MS, Clay County, MS, DeSoto County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Itawamba County, MS, Jasper County, MS, Kemper County, MS, Lafayette County, MS, Lauderdale County, MS, Leake County, MS, Lee County, MS, Leflore County, MS, Lowndes County, MS, Madison County, MS, Marshall County, MS, Monroe County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Smith County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Tunica County, MS, Union County, MS, Warren County, MS, Webster County, MS, Winston County, MS, Yalobusha County, MS, Yazoo County, MS, Fayette County, TN, Hardeman County, TN, Hardin County, TN, McNairy County, TN, Shelby County, TN, Wayne County, TN

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Feb 13, 8:25 PM CST	Severe Thunderstorm Warning	MEG	Shelby	15 min
Feb 13, 8:44 PM CST	Severe Thunderstorm Warning	MEG	Tate	36 min
Feb 13, 8:47 PM CST	Severe Thunderstorm Warning	MEG	Fayette	33 min
Feb 13, 8:52 PM CST	Severe Thunderstorm Warning	MEG	Marshall	33 min

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 2.3 hours before the alert went out and 109 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: 552 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 573 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 242 m²/s²
0-3 km storm-relative helicity: 332 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 4.3

Open this sounding in Storm Lab

The text

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

537 
WWUS9 KMKC 140202
SEL8  

SEL8  
MKC WW 140202
MSZ000-TNZ000-140800-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 28
STORM PREDICTION CENTER NORMAN OK
802 PM CST SUN FEB 13 2000

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

   NORTHERN AND CENTRAL MISSISSIPPI                        
   SOUTHWESTERN TENNESSEE                          

EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 815 PM UNTIL
200 AM CST.

TORNADOES...HAIL TO 1 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 EAST AND WEST
OF A LINE FROM 25 MILES SOUTH OF JACKSON MISSISSIPPI TO 65 MILES
EAST NORTHEAST OF MEMPHIS TENNESSEE.

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 26...WW 27...

DISCUSSION...CONVECTION INTENSIFYING AHEAD OF STRONG UPPER TROUGH
AND SURFACE BOUNDARY APPROACHING LOW LEVEL MOISTURE AXIS. MID LEVEL
FLOW IN EXCESS OF 80 KT INDICATED ON REGIONAL VADS...INDICATING
VERY STRONG SHEAR AND THE POTENTIAL FOR ISOLATED TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. 
MEAN STORM MOTION VECTOR 24045.

...ROGASH

352,0873 315,0884 315,0912 352,0901

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 13, 8:00 PM CST	Tornado Watch	SPC	Autauga, Bibb, Blount, Butler, Calhoun, Cherokee and 31 more	5 hr
Feb 13, 10:00 PM CST	Tornado Watch	SPC	Barbour, Bullock, Chambers, Coffee, Covington, Dale and 9 more	6 hr

Nearby

Tornado Watches in Mississippi, 2000 Tornado Watches in Tennessee, 2000 Tornado Watches in Alabama, 2000 Every tornado watch in 2000

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.