Alert archive / Mississippi / Tornado Watches in 2005

Tornado Watch 131

April 6, 200528 parishes in Louisiana; 57 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Apr 6, 2005, 11:05 AM CDT for 28 parishes in Louisiana; 57 counties in Mississippi. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: Apr 6, 2005, 11:05 AM CDT (16:05 UTC)
Expired: Apr 6, 2005, 7:00 PM CDT
In force: 8 hr
Issued by: the Storm Prediction Center

All 85 counties

Ascension Parish, LA, Assumption Parish, LA, Concordia Parish, LA, East Baton Rouge Parish, LA, East Carroll Parish, LA, East Feliciana Parish, LA, Iberia Parish, LA, Iberville Parish, LA, Jefferson Parish, LA, Lafayette Parish, LA, Lafourche Parish, LA, Livingston Parish, LA, Madison Parish, LA, Orleans Parish, LA, Pointe Coupee Parish, LA, Saint Charles Parish, LA, Saint Helena Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, Saint Tammany Parish, LA, St. Mary Parish, LA, Tangipahoa Parish, LA, Tensas Parish, LA, Washington Parish, LA, West Baton Rouge Parish, LA, West Feliciana Parish, LA, Adams County, MS, Amite County, MS, Attala County, MS, Bolivar County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Claiborne County, MS, Clay County, MS, Copiah County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, Grenada County, MS, Hancock County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Leflore County, MS, Lincoln County, MS, Lowndes County, MS, Madison County, MS, Marion County, MS, Monroe County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Pearl River County, MS, Perry County, MS, Pike County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Smith County, MS, Sunflower County, MS, Tallahatchie County, MS, Walthall County, MS, Warren County, MS, Washington County, MS, Webster County, MS, Wilkinson County, MS, Winston County, MS, Yazoo County, MS

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Apr 6, 11:05 AM CDT	Tornado Warning	JAN	Covington, Jefferson Davis, Simpson	25 min
Apr 6, 11:17 AM CDT	Flash Flood Warning	JAN	Attala	118 min
Apr 6, 11:21 AM CDT	Flash Flood Warning	JAN	Carroll, Grenada, Montgomery	3 hr
Apr 6, 11:21 AM CDT	Tornado Warning	JAN	Forrest	54 min
Apr 6, 11:31 AM CDT	Tornado Warning	LIX	Hancock, Harrison	29 min
Apr 6, 11:37 AM CDT	Tornado Warning	JAN	Lauderdale, Newton	53 min
Apr 6, 11:39 AM CDT	Tornado Warning	JAN	Jasper	66 min
Apr 6, 11:43 AM CDT	Tornado Warning	JAN	Jones	62 min
Apr 6, 11:49 AM CDT	Tornado Warning	LIX	Jefferson, Lafourche	41 min
Apr 6, 12:20 PM CDT	Tornado Warning	LIX	Jefferson, Lafourche, Plaquemines	40 min
Apr 6, 12:21 PM CDT	Tornado Warning	JAN	Kemper, Lauderdale	54 min
Apr 6, 12:31 PM CDT	Severe Thunderstorm Warning	JAN	Leflore, Sunflower	74 min
Apr 6, 12:50 PM CDT	Severe Thunderstorm Warning	JAN	Concordia	40 min
Apr 6, 12:50 PM CDT	Severe Thunderstorm Warning	LIX	Wilkinson	25 min
Apr 6, 1:08 PM CDT	Tornado Warning	JAN	Lauderdale	52 min
Apr 6, 1:15 PM CDT	Severe Thunderstorm Warning	LIX	Jefferson, Plaquemines	30 min
Apr 6, 1:20 PM CDT	Severe Thunderstorm Warning	LIX	Wilkinson	25 min
Apr 6, 1:50 PM CDT	Severe Thunderstorm Warning	JAN	Adams, Franklin	55 min
Apr 6, 1:51 PM CDT	Tornado Warning	JAN	Hinds	24 min
Apr 6, 1:52 PM CDT	Severe Thunderstorm Warning	JAN	Rankin, Scott, Simpson	53 min
Apr 6, 1:53 PM CDT	Severe Thunderstorm Warning	LIX	Pike, Walthall	22 min
Apr 6, 1:54 PM CDT	Severe Thunderstorm Warning	LIX	Lafourche, Terrebonne	51 min
Apr 6, 1:57 PM CDT	Severe Thunderstorm Warning	JAN	Copiah	48 min
Apr 6, 2:03 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Madison	42 min
Apr 6, 2:04 PM CDT	Severe Thunderstorm Warning	JAN	Lincoln	56 min
Apr 6, 2:21 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Rankin	69 min
Apr 6, 2:21 PM CDT	Tornado Warning	JAN	Franklin, Lincoln	39 min
Apr 6, 2:25 PM CDT	Severe Thunderstorm Warning	LIX	Amite, Wilkinson	20 min
Apr 6, 2:27 PM CDT	Severe Thunderstorm Warning	JAN	Forrest	48 min
Apr 6, 2:30 PM CDT	Tornado Warning	JAN	Marion	45 min
Apr 6, 2:30 PM CDT	Severe Thunderstorm Warning	LIX	Walthall	15 min
Apr 6, 2:32 PM CDT	Tornado Warning	LIX	Lafourche	28 min
Apr 6, 2:32 PM CDT	Tornado Warning	JAN	Rankin	58 min
Apr 6, 2:34 PM CDT	Severe Thunderstorm Warning	JAN	Lawrence	41 min
Apr 6, 2:37 PM CDT	Flash Flood Warning	JAN	Rankin, Scott	113 min
Apr 6, 2:40 PM CDT	Tornado Warning	MEG	Panola, Tallahatchie	35 min
Apr 6, 2:43 PM CDT	Severe Thunderstorm Warning	JAN	Copiah, Simpson	77 min
Apr 6, 2:51 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Scott	54 min
Apr 6, 2:51 PM CDT	Tornado Warning	JAN	Covington, Jefferson Davis, Lamar	39 min
Apr 6, 2:53 PM CDT	Tornado Warning	LIX	Jefferson, Plaquemines	37 min
Apr 6, 2:54 PM CDT	Flash Flood Warning	JAN	Copiah, Simpson	2 hr
Apr 6, 2:58 PM CDT	Severe Thunderstorm Warning	JAN	Lincoln	47 min
Apr 6, 2:59 PM CDT	Severe Thunderstorm Warning	LIX	Wilkinson	16 min
Apr 6, 3:00 PM CDT	Tornado Warning	JAN	Copiah	60 min
Apr 6, 3:02 PM CDT	Tornado Warning	JAN	Scott	58 min
Apr 6, 3:06 PM CDT	Tornado Warning	JAN	Kemper, Leake, Neshoba	54 min
Apr 6, 3:08 PM CDT	Tornado Warning	JAN	Attala, Montgomery	67 min
Apr 6, 3:11 PM CDT	Flash Flood Warning	JAN	Attala	2 hr
Apr 6, 3:24 PM CDT	Flash Flood Warning	JAN	Humphreys, Leflore, Sunflower	2 hr
Apr 6, 3:26 PM CDT	Severe Thunderstorm Warning	LIX	Amite, Wilkinson	34 min
Apr 6, 3:27 PM CDT	Tornado Warning	JAN	Covington	48 min
Apr 6, 3:27 PM CDT	Tornado Warning	JAN	Rankin, Simpson, Smith	63 min
Apr 6, 3:28 PM CDT	Severe Thunderstorm Warning	JAN	Leflore, Sunflower	62 min
Apr 6, 3:29 PM CDT	Flash Flood Warning	JAN	Leake, Neshoba	2 hr
Apr 6, 3:38 PM CDT	Tornado Warning	JAN	Montgomery	52 min
Apr 6, 3:40 PM CDT	Tornado Warning	JAN	Simpson, Smith	65 min
Apr 6, 3:41 PM CDT	Severe Thunderstorm Warning	JAN	Jones	49 min
Apr 6, 3:45 PM CDT	Tornado Warning	JAN	Franklin, Lincoln	60 min
Apr 6, 3:51 PM CDT	Flash Flood Warning	JAN	Lincoln	114 min
Apr 6, 3:51 PM CDT	Severe Thunderstorm Warning	JAN	Lawrence	24 min
Apr 6, 3:53 PM CDT	Tornado Warning	JAN	Winston	53 min
Apr 6, 3:57 PM CDT	Tornado Warning	JAN	Scott	33 min
Apr 6, 3:59 PM CDT	Flash Flood Warning	JAN	Jasper, Smith	4 hr
Apr 6, 4:00 PM CDT	Severe Thunderstorm Warning	JAN	Copiah	45 min
Apr 6, 4:08 PM CDT	Tornado Warning	JAN	Kemper, Neshoba, Noxubee	67 min
Apr 6, 4:11 PM CDT	Tornado Warning	JAN	Newton	49 min
Apr 6, 4:20 PM CDT	Severe Thunderstorm Warning	JAN	Attala	55 min
Apr 6, 4:20 PM CDT	Severe Thunderstorm Warning	JAN	Clarke, Jasper	55 min
Apr 6, 4:26 PM CDT	Flash Flood Warning	JAN	Neshoba	3 hr
Apr 6, 4:26 PM CDT	Tornado Warning	JAN	Kemper, Lauderdale	64 min
Apr 6, 4:27 PM CDT	Tornado Warning	JAN	Covington, Forrest, Jones, Lamar	63 min
Apr 6, 4:31 PM CDT	Tornado Warning	JAN	Lawrence	59 min
Apr 6, 4:41 PM CDT	Tornado Warning	JAN	Simpson, Smith	64 min
Apr 6, 4:50 PM CDT	Severe Thunderstorm Warning	JAN	Carroll, Grenada, Leflore	55 min
Apr 6, 4:54 PM CDT	Tornado Warning	JAN	Jefferson Davis	66 min
Apr 6, 4:56 PM CDT	Severe Thunderstorm Warning	JAN	Lincoln	19 min
Apr 6, 5:00 PM CDT	Tornado Warning	JAN	Jasper, Newton, Smith	60 min
Apr 6, 5:03 PM CDT	Severe Thunderstorm Warning	JAN	Sunflower	57 min
Apr 6, 5:05 PM CDT	Flash Flood Warning	JAN	Jefferson Davis, Lawrence, Simpson	3 hr
Apr 6, 5:15 PM CDT	Tornado Warning	JAN	Kemper, Noxubee	30 min
Apr 6, 5:16 PM CDT	Tornado Warning	JAN	Covington	44 min
Apr 6, 5:29 PM CDT	Flash Flood Warning	JAN	Lincoln	2 hr
Apr 6, 5:33 PM CDT	Flash Flood Warning	JAN	Kemper, Noxubee	3 hr
Apr 6, 5:36 PM CDT	Severe Thunderstorm Warning	JAN	Holmes, Humphreys	54 min
Apr 6, 5:41 PM CDT	Severe Thunderstorm Warning	JAN	Leflore	64 min
Apr 6, 5:54 PM CDT	Tornado Warning	JAN	Covington	51 min
Apr 6, 5:58 PM CDT	Tornado Warning	JAN	Clarke, Jasper, Kemper, Lauderdale, Newton	62 min
Apr 6, 6:02 PM CDT	Flash Flood Warning	JAN	Attala, Carroll, Holmes, Montgomery	4 hr
Apr 6, 6:05 PM CDT	Tornado Warning	JAN	Jasper, Jones, Smith	55 min
Apr 6, 6:11 PM CDT	Severe Thunderstorm Warning	JAN	Yazoo	64 min
Apr 6, 6:40 PM CDT	Severe Thunderstorm Warning	JAN	Holmes	65 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 4.1 hours before the alert went out and 131 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: 268 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 618 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 278 m²/s²
0-3 km storm-relative helicity: 332 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 061601
SEL1  
SPC WW 061601
ARZ000-LAZ000-MSZ000-CWZ000-070000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 131
NWS STORM PREDICTION CENTER NORMAN OK
1105 AM CDT WED APR 6 2005

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

       EXTREME SOUTHEAST ARKANSAS
       EASTERN LOUISIANA
       CENTRAL AND SOUTHERN MISSISSIPPI
       COASTAL WATERS

EFFECTIVE THIS WEDNESDAY MORNING AND EVENING FROM 1105 AM UNTIL
700 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 APPROXIMATELY ALONG AND 85 STATUTE MILES
EAST AND WEST OF A LINE FROM 45 MILES NORTHEAST OF GREENWOOD
MISSISSIPPI TO 20 MILES WEST SOUTHWEST OF HOUMA LOUISIANA.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU1).

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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 130. WATCH NUMBER 130 WILL NOT BE IN EFFECT AFTER
1105 AM CDT. 

DISCUSSION...ADDITIONAL TSTMS EXPECTED TO DEVELOP ALONG THE DRYLINE
ACROSS THE MS RIVER AND MOVE EWD THROUGH THE AFTERNOON.  BOUNDARY
LAYER CONTINUES TO RECOVER IN WAKE OF MORNING ACTIVITY AND SHOULD
SUPPORT STRONG TSTMS.  VERTICAL/LOW-LEVEL SHEAR WILL REMAIN
FAVORABLE FOR SUPERCELLS WITH POSSIBLE TORNADOES ALONG WITH LARGE
HAIL AND DAMAGING WINDS.

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 500.
MEAN STORM MOTION VECTOR 24035.


...RACY/EVANS

335,0880 292,0893 292,0922 335,0910

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 5, 8:25 PM CDT	Severe Thunderstorm Watch	SPC	Bossier, Caddo	8 hr
Apr 5, 10:40 PM CDT	Mesoscale Discussion	SPC	Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 50 more	2 hr
Apr 6, 2:55 AM CDT	Tornado Watch	SPC	Acadia, Allen, Ascension, Assumption, Avoyelles, Calcasieu and 36 more	7 hr
Apr 6, 5:45 AM CDT	Mesoscale Discussion	SPC	Acadia, Allen, Ascension, Assumption, Avoyelles, Calcasieu and 36 more	90 min
Apr 6, 7:00 AM CDT	Tornado Watch	SPC	Acadia, Allen, Ascension, Assumption, Avoyelles, Cameron and 27 more	6 hr
Apr 6, 7:46 AM CDT	Mesoscale Discussion	SPC	Bienville, Bossier, Caddo, Caldwell, Catahoula, Claiborne and 20 more	119 min
Apr 6, 9:29 AM CDT	Mesoscale Discussion	SPC	Acadia, Allen, Ascension, Assumption, Avoyelles, Cameron and 27 more	2 hr
Apr 6, 10:40 AM CDT	Mesoscale Discussion	SPC	Caldwell, Catahoula, East Carroll, Franklin, Grant, Jackson and 11 more	65 min
Apr 6, 1:21 PM CDT	Mesoscale Discussion	SPC	Ascension, Assumption, Concordia, East Baton Rouge, East Carroll, East Feliciana and 22 more	84 min
Apr 6, 3:43 PM CDT	Mesoscale Discussion	SPC	Ascension, Assumption, Concordia, East Baton Rouge, East Carroll, East Feliciana and 22 more	92 min
Apr 6, 6:01 PM CDT	Mesoscale Discussion	SPC	Orleans, Saint Bernard, Saint Tammany, Washington	59 min
Apr 6, 6:45 PM CDT	Tornado Watch	SPC	Washington	6 hr
Apr 6, 11:05 AM CDT	Tornado Watch	SPC	George, Greene, Harrison, Jackson, Wayne	8 hr
Apr 6, 1:55 PM CDT	Tornado Watch	SPC	Benton, Calhoun, Chickasaw, Coahoma, DeSoto, Lafayette and 12 more	7 hr
Apr 6, 3:18 PM CDT	Mesoscale Discussion	SPC	Benton, Calhoun, Chickasaw, Coahoma, DeSoto, Lafayette and 12 more	87 min
Apr 6, 4:53 PM CDT	Mesoscale Discussion	SPC	Alcorn, Tishomingo	37 min
Apr 6, 5:44 PM CDT	Mesoscale Discussion	SPC	Benton, Calhoun, Chickasaw, Coahoma, DeSoto, Lafayette and 12 more	91 min

Nearby

Tornado Watches in Mississippi, 2005 Tornado Watches in Louisiana, 2005 Every tornado watch in 2005

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.