Alert archive / Mississippi / Tornado Watches in 2001

Tornado Watch 826

November 26, 20016 parishes in Louisiana; 42 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Nov 26, 2001, 3:30 PM CST for 6 parishes in Louisiana; 42 counties in Mississippi. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Nov 26, 2001, 3:30 PM CST (21:30 UTC)
Expired: Nov 26, 2001, 8:00 PM CST
In force: 5 hr
Issued by: the Storm Prediction Center

All 48 counties

Catahoula Parish, LA, Concordia Parish, LA, East Carroll Parish, LA, Franklin Parish, LA, Madison Parish, LA, Tensas Parish, LA, Adams County, MS, Attala County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Claiborne County, MS, Clay County, MS, Copiah County, MS, Franklin County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Itawamba County, MS, Jefferson County, MS, Lafayette County, MS, Lawrence County, MS, Leake County, MS, Lee County, MS, Leflore County, MS, Lincoln County, MS, Madison County, MS, Monroe County, MS, Montgomery County, MS, Oktibbeha County, MS, Panola County, MS, Pontotoc County, MS, Quitman County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Sunflower County, MS, Tallahatchie County, MS, Warren County, MS, Washington County, MS, Webster County, MS, Winston County, MS, Yalobusha County, MS, Yazoo County, MS

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Nov 26, 4:38 PM CST	Severe Thunderstorm Warning	JAN	Grenada	37 min
Nov 26, 4:43 PM CST	Severe Thunderstorm Warning	JAN	East Carroll	37 min
Nov 26, 4:43 PM CST	Severe Thunderstorm Warning	JAN	Madison	37 min
Nov 26, 4:44 PM CST	Tornado Warning	JAN	Grenada	31 min
Nov 26, 4:57 PM CST	Tornado Warning	JAN	Copiah	33 min
Nov 26, 5:10 PM CST	Tornado Warning	JAN	Grenada	35 min
Nov 26, 5:18 PM CST	Tornado Warning	JAN	East Carroll	42 min
Nov 26, 5:20 PM CST	Tornado Warning	MEG	Yalobusha	40 min
Nov 26, 6:14 PM CST	Tornado Warning	JAN	East Carroll, West Carroll	46 min
Nov 26, 6:22 PM CST	Severe Thunderstorm Warning	JAN	Humphreys, Sunflower, Washington	23 min
Nov 26, 6:41 PM CST	Severe Thunderstorm Warning	JAN	Sunflower	49 min
Nov 26, 6:46 PM CST	Tornado Warning	JAN	Washington	44 min
Nov 26, 7:09 PM CST	Severe Thunderstorm Warning	JAN	Leflore	51 min
Nov 26, 7:12 PM CST	Tornado Warning	JAN	Leflore, Sunflower	48 min

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.5 hours before the alert went out and 63 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 748 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 143 m²/s²
0-3 km storm-relative helicity: 188 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 262119
SEL6  
SPC WW 262115
LAZ000-MSZ000-270200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 826
STORM PREDICTION CENTER NORMAN OK
315 PM CST MON NOV 26 2001

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

   NORTHEAST LOUISIANA                          
   MUCH OF MISSISSIPPI                        

EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 330 PM UNTIL 800
PM 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 15 MILES SOUTH SOUTHEAST OF NATCHEZ MISSISSIPPI TO
30 MILES WEST NORTHWEST OF TUPELO 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 824...WW 825...

DISCUSSION...STORMS CONTINUE TO DEVELOP N OF A WARM FRONTAL
BOUNDARY MOVING NWD ACROSS SRN MS.  AIR MASS IS RAPIDLY
DESTABILIZING AHEAD OF DRY LINE OVER ERN TX.  STRONG VERTICAL SHEAR
COMBINED WITH DESTABILIZING AIR MASS INDICATES THREAT FOR
TORNADOES.


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 23035.


...MCCARTHY

312,0921 342,0902 342,0880 312,0900

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 26, 1:00 PM CST	Tornado Watch	SPC	Bienville, Bossier, Caddo, Claiborne, De Soto, Jackson and 8 more	5 hr
Nov 26, 2:30 PM CST	Tornado Watch	SPC	Allen, Beauregard, Calcasieu, Grant, LaSalle, Rapides and 2 more	6 hr
Nov 26, 5:00 PM CST	Tornado Watch	SPC	Alcorn, Benton, DeSoto, Marshall, Prentiss, Tate and 4 more	6 hr

Nearby

Tornado Watches in Mississippi, 2001 Tornado Watches in Louisiana, 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.