Alert archive / Mississippi / Tornado Watches in 2000

Tornado Watch 145

April 2, 20007 counties in Alabama; 8 parishes in Louisiana; 30 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Apr 2, 2000, 3:00 PM CDT for 7 counties in Alabama; 8 parishes in Louisiana; 30 counties in Mississippi. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Apr 2, 2000, 3:00 PM CDT (20:00 UTC)
Expired: Apr 2, 2000, 9:00 PM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 45 counties

Choctaw County, AL, Greene County, AL, Hale County, AL, Marengo County, AL, Pickens County, AL, Sumter County, AL, Tuscaloosa County, AL, Catahoula Parish, LA, Concordia Parish, LA, East Carroll Parish, LA, Franklin Parish, LA, Madison Parish, LA, Richland Parish, LA, Tensas Parish, LA, West Carroll Parish, LA, Adams County, MS, Attala County, MS, Claiborne County, MS, Clarke County, MS, Copiah County, MS, Covington County, MS, Franklin County, MS, Hinds County, MS, Issaquena County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lincoln County, MS, Madison County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Smith County, MS, Warren County, MS, Winston County, MS, Yazoo County, MS

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Apr 2, 4:00 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Marengo	60 min
Apr 2, 4:02 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Warren	43 min
Apr 2, 4:11 PM CDT	Tornado Warning	MOB	Choctaw, Marengo	49 min
Apr 2, 4:31 PM CDT	Severe Thunderstorm Warning	JAN	Yazoo	44 min
Apr 2, 4:44 PM CDT	Severe Thunderstorm Warning	JAN	Richland	31 min
Apr 2, 4:47 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson	28 min
Apr 2, 5:09 PM CDT	Severe Thunderstorm Warning	JAN	Madison	36 min
Apr 2, 5:15 PM CDT	Tornado Warning	JAN	Madison, Rankin	30 min
Apr 2, 5:21 PM CDT	Severe Thunderstorm Warning	JAN	Madison	39 min
Apr 2, 5:24 PM CDT	Severe Thunderstorm Warning	JAN	Claiborne	36 min
Apr 2, 5:34 PM CDT	Tornado Warning	JAN	Leake, Scott	26 min
Apr 2, 5:37 PM CDT	Tornado Warning	JAN	Madison	23 min
Apr 2, 5:45 PM CDT	Severe Thunderstorm Warning	JAN	Madison	45 min
Apr 2, 5:52 PM CDT	Severe Thunderstorm Warning	JAN	Warren	38 min
Apr 2, 5:55 PM CDT	Severe Thunderstorm Warning	JAN	Attala	50 min
Apr 2, 5:58 PM CDT	Tornado Warning	JAN	Leake	47 min
Apr 2, 6:02 PM CDT	Severe Thunderstorm Warning	JAN	Newton, Scott	43 min
Apr 2, 6:04 PM CDT	Severe Thunderstorm Warning	JAN	Hinds	41 min
Apr 2, 6:13 PM CDT	Tornado Warning	JAN	Neshoba	47 min
Apr 2, 6:17 PM CDT	Severe Thunderstorm Warning	JAN	Simpson, Smith	43 min
Apr 2, 6:30 PM CDT	Severe Thunderstorm Warning	JAN	Madison	45 min
Apr 2, 6:34 PM CDT	Tornado Warning	JAN	Newton	26 min
Apr 2, 6:41 PM CDT	Flash Flood Warning	JAN	Concordia, Tensas	2 hr
Apr 2, 6:45 PM CDT	Severe Thunderstorm Warning	JAN	Rankin	60 min
Apr 2, 6:50 PM CDT	Tornado Warning	JAN	Kemper, Noxubee, Winston	40 min
Apr 2, 6:53 PM CDT	Severe Thunderstorm Warning	JAN	Claiborne	37 min
Apr 2, 6:55 PM CDT	Severe Thunderstorm Warning	JAN	Hinds	20 min
Apr 2, 7:01 PM CDT	Severe Thunderstorm Warning	JAN	Concordia	44 min
Apr 2, 7:11 PM CDT	Severe Thunderstorm Warning	JAN	Copiah	34 min
Apr 2, 7:15 PM CDT	Flash Flood Warning	JAN	Hinds, Madison, Rankin	2 hr
Apr 2, 7:16 PM CDT	Tornado Warning	BMX	Greene, Pickens, Sumter	59 min
Apr 2, 7:31 PM CDT	Severe Thunderstorm Warning	JAN	Kemper	29 min
Apr 2, 7:35 PM CDT	Severe Thunderstorm Warning	JAN	Noxubee	25 min
Apr 2, 7:44 PM CDT	Tornado Warning	JAN	Copiah	31 min
Apr 2, 7:46 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Rankin	44 min
Apr 2, 7:49 PM CDT	Severe Thunderstorm Warning	JAN	Adams, Franklin	41 min
Apr 2, 8:01 PM CDT	Tornado Warning	JAN	Simpson	44 min
Apr 2, 8:05 PM CDT	Severe Thunderstorm Warning	JAN	Neshoba	25 min
Apr 2, 8:10 PM CDT	Severe Thunderstorm Warning	JAN	Lincoln	65 min
Apr 2, 8:17 PM CDT	Severe Thunderstorm Warning	JAN	Kemper	58 min
Apr 2, 8:23 PM CDT	Severe Thunderstorm Warning	JAN	Smith	67 min
Apr 2, 8:31 PM CDT	Tornado Warning	JAN	Lincoln	44 min
Apr 2, 8:45 PM CDT	Severe Thunderstorm Warning	JAN	Lawrence	60 min
Apr 2, 8:46 PM CDT	Severe Thunderstorm Warning	JAN	Simpson	44 min

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.0 hours before the alert went out and 12 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: 606 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 682 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 258 m²/s²
0-3 km storm-relative helicity: 230 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 4.3

Open this sounding in Storm Lab

The text

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

000 
WWUS9 KMKC 022000
MKC WW 021921 COR
ALZ000-LAZ000-MSZ000-030200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 145
STORM PREDICTION CENTER NORMAN OK
221 PM CDT SUN APR 2 2000

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

WESTERN ALABAMA
NORTHEASTERN LOUISIANA
CENTRAL MISSISSIPPI

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 300 PM UNTIL 900
PM CDT.

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 55 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 40 MILES SOUTH OF MONROE LOUISIANA TO 40 MILES
SOUTH SOUTHEAST OF TUSCALOOSA 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 144...WW 145...

DISCUSSION...STRONG HEATING AND DESTABILIZATION HAS OCCURRED
VICINITY OLD BOUNDARY ACROSS CENTRAL MS/AL.  PROFILERS INDICATE
MID/UPPER JET MAX MOVING TOWARD AREA WHICH ALONG WITH FAVORABLE LOW
LEVEL VEERING PROFILES HAS CREATED FAVORABLE ENVIRONMENT FOR
SUPERCELLS.  STORMS ARE RAPIDLY DEVELOPING ACROSS LA AND VICINITY
BOUNDARY ERN MS.  SUPERCELLS ARE EXPECTED WITH TORNADIC POTENTIAL.


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 550. 
MEAN STORM MOTION VECTOR 24035.

D
...HALES

;324,0920 332,0872 315,0872 310,0920;

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 2, 5:00 PM CDT	Tornado Watch	SPC	Autauga, Barbour, Bullock, Butler, Chambers, Chilton and 14 more	5 hr
Apr 2, 1:30 AM CST	Severe Thunderstorm Watch	SPC	Beauregard, Bienville, De Soto, Grant, Natchitoches, Rapides and 4 more	6 hr
Apr 2, 4:00 AM CDT	Severe Thunderstorm Watch	SPC	Bienville, Caldwell, Catahoula, East Carroll, Franklin, Grant and 11 more	4 hr
Apr 2, 12:30 PM CDT	Tornado Watch	SPC	Acadia, Allen, Beauregard, Calcasieu, Cameron, Evangeline and 5 more	6 hr
Apr 2, 6:00 PM CDT	Tornado Watch	SPC	Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 7 more	6 hr

Nearby

Tornado Watches in Mississippi, 2000 Tornado Watches in Louisiana, 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.