Alert archive / Mississippi / Tornado Watches in 2001

Tornado Watch 814

November 24, 20016 counties in Arkansas; 14 parishes in Louisiana; 32 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Nov 24, 2001, 1:15 AM CST for 6 counties in Arkansas; 14 parishes in Louisiana; 32 counties in Mississippi. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Nov 24, 2001, 1:15 AM CST (07:15 UTC)
Expired: Nov 24, 2001, 7:00 AM CST
In force: 6 hr
Issued by: the Storm Prediction Center

All 52 counties

Ashley County, AR, Chicot County, AR, Desha County, AR, Drew County, AR, Lee County, AR, Phillips County, AR, Caldwell Parish, LA, Catahoula Parish, LA, Concordia Parish, LA, East Carroll Parish, LA, Franklin Parish, LA, Grant Parish, LA, LaSalle Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Ouachita Parish, LA, Richland Parish, LA, Tensas Parish, LA, West Carroll Parish, LA, Winn Parish, LA, Adams County, MS, Benton County, MS, Bolivar County, MS, Calhoun County, MS, Carroll County, MS, Claiborne County, MS, Coahoma County, MS, DeSoto County, MS, Franklin County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Jefferson County, MS, Lafayette County, MS, Leflore County, MS, Marshall County, MS, Montgomery County, MS, Panola County, MS, Quitman County, MS, Sharkey County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tunica County, MS, Union County, MS, Warren County, MS, Washington County, MS, Yalobusha County, MS, Yazoo County, MS

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Nov 24, 1:16 AM CST	Tornado Warning	JAN	Chicot	44 min
Nov 24, 1:20 AM CST	Tornado Warning	SHV	Caldwell	40 min
Nov 24, 1:42 AM CST	Tornado Warning	JAN	Bolivar, Washington	48 min
Nov 24, 2:23 AM CST	Tornado Warning	JAN	Richland	37 min
Nov 24, 2:24 AM CST	Tornado Warning	JAN	Bolivar, Sunflower	51 min
Nov 24, 2:43 AM CST	Tornado Warning	MEG	Coahoma, Quitman	47 min
Nov 24, 2:47 AM CST	Tornado Warning	JAN	East Carroll, West Carroll	43 min
Nov 24, 3:25 AM CST	Tornado Warning	JAN	Issaquena	35 min
Nov 24, 3:26 AM CST	Tornado Warning	MEG	Panola, Quitman, Tate	49 min
Nov 24, 3:46 AM CST	Severe Thunderstorm Warning	JAN	Warren	44 min
Nov 24, 3:49 AM CST	Tornado Warning	MEG	DeSoto	41 min
Nov 24, 3:51 AM CST	Severe Thunderstorm Warning	JAN	Sharkey, Washington	39 min
Nov 24, 4:18 AM CST	Severe Thunderstorm Warning	JAN	Claiborne	27 min
Nov 24, 4:30 AM CST	Severe Thunderstorm Warning	JAN	Hinds	45 min
Nov 24, 4:37 AM CST	Tornado Warning	JAN	Hinds	38 min
Nov 24, 4:52 AM CST	Flash Flood Warning	MEG	DeSoto	2 hr
Nov 24, 5:10 AM CST	Tornado Warning	JAN	Hinds, Madison	50 min
Nov 24, 5:48 AM CST	Severe Thunderstorm Warning	JAN	Madison, Tensas	42 min
Nov 24, 6:03 AM CST	Tornado Warning	JAN	Madison	42 min
Nov 24, 6:05 AM CST	Severe Thunderstorm Warning	JAN	Yazoo	40 min
Nov 24, 6:45 AM CST	Severe Thunderstorm Warning	JAN	Hinds, Warren	45 min
Nov 24, 6:54 AM CST	Severe Thunderstorm Warning	JAN	Holmes	36 min

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 7.3 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-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: 607 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 1061 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 113 m²/s²
0-3 km storm-relative helicity: 169 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 240702
SEL4  
SPC WW 240657
ARZ000-LAZ000-MSZ000-241300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 814
STORM PREDICTION CENTER NORMAN OK
1257 AM CST SAT NOV 24 2001

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

   EXTREME EASTERN ARKANSAS                           
   CENTRAL AND NORTHEAST LOUISIANA                          
   NORTHERN AND WESTERN MISSISSIPPI                        

EFFECTIVE THIS SATURDAY MORNING FROM 115 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 65 STATUTE MILES EAST AND WEST
OF A LINE FROM 35 MILES WEST SOUTHWEST OF NATCHEZ MISSISSIPPI TO 45
MILES NORTH NORTHWEST OF OXFORD MISSISSIPPI.

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 813...

DISCUSSION...THUNDERSTORMS HAVE INTENSIFIED FROM NERN LA INTO SERN
AR AHEAD OF FRONTAL BAND...WITHIN LOW LEVEL MOISTURE AND
INSTABILITY AXIS.  VAD/PROFILER WINDS HAVE STRENGTHENED OVER THE
LAST TWO HOURS WITH 50 KT FLOW WITHIN THE LOWEST 1-2 KM AGL
PROVIDING VERY STRONG SHEAR SUPPORTIVE OF SUPERCELLS AND POSSIBLE
TORNADOES.  ACTIVITY IS EXPECTED TO DEVELOP NEWD THROUGH THE EARLY
MORNING HOURS INTO PARTS OF WRN/NRN MS.


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 23045.


...WEISS

312,0925 345,0905 345,0884 312,0904

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 23, 6:00 PM CST	Tornado Watch	SPC	Benton, Boone, Carroll, Crawford, Franklin, Hempstead and 17 more	5 hr
Nov 23, 11:00 PM CST	Tornado Watch	SPC	Arkansas, Ashley, Baxter, Boone, Bradley, Calhoun and 47 more	4 hr
Nov 24, 2:30 AM CST	Tornado Watch	SPC	Clay, Craighead, Crittenden, Cross, Greene, Mississippi and 2 more	5 hr
Nov 24, 5:30 AM CST	Tornado Watch	SPC	Concordia, Madison, Tensas	6 hr
Nov 24, 9:30 AM CST	Tornado Watch	SPC	Chickasaw, Choctaw, Clarke, Clay, Covington, Itawamba and 21 more	6 hr

Nearby

Tornado Watches in Mississippi, 2001 Tornado Watches in Louisiana, 2001 Tornado Watches in Arkansas, 2001 Every tornado watch in 2001

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.