Alert archive / Louisiana / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 720

August 31, 200024 parishes in Louisiana; 24 counties in Mississippi

The Storm Prediction Center issued this severe thunderstorm watch at Aug 31, 2000, 2:30 PM CDT for 24 parishes in Louisiana; 24 counties in Mississippi. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Aug 31, 2000, 2:30 PM CDT (19:30 UTC)
Expired: Aug 31, 2000, 8:00 PM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 48 counties

Ascension Parish, LA, Assumption Parish, LA, East Baton Rouge Parish, LA, East Feliciana Parish, LA, Iberia Parish, LA, Iberville Parish, LA, Jefferson Parish, LA, Lafourche Parish, LA, Livingston 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 Martin Parish, LA, Saint Tammany Parish, LA, St. Mary Parish, LA, Tangipahoa Parish, LA, Tensas Parish, LA, Terrebonne Parish, LA, Washington Parish, LA, West Baton Rouge Parish, LA, West Feliciana Parish, LA, Adams County, MS, Amite County, MS, Claiborne County, MS, Clarke County, MS, Copiah County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, Hancock County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Jones County, MS, Lamar County, MS, Lawrence County, MS, Lincoln County, MS, Marion County, MS, Pearl River County, MS, Perry County, MS, Pike County, MS, Simpson County, MS, Smith County, MS, Walthall County, MS, Wilkinson County, MS

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Aug 31, 2:40 PM CDT	Tornado Warning	LIX	Washington	35 min
Aug 31, 2:44 PM CDT	Severe Thunderstorm Warning	JAN	Franklin	31 min
Aug 31, 2:47 PM CDT	Severe Thunderstorm Warning	LIX	Amite	43 min
Aug 31, 3:02 PM CDT	Severe Thunderstorm Warning	JAN	Marion	28 min
Aug 31, 3:05 PM CDT	Severe Thunderstorm Warning	JAN	Covington	25 min
Aug 31, 3:06 PM CDT	Tornado Warning	LIX	Tangipahoa	39 min
Aug 31, 3:12 PM CDT	Severe Thunderstorm Warning	LIX	Pearl River	63 min
Aug 31, 3:15 PM CDT	Severe Thunderstorm Warning	LIX	Livingston	60 min
Aug 31, 3:23 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Lamar	37 min
Aug 31, 3:24 PM CDT	Severe Thunderstorm Warning	LIX	Saint Helena, Tangipahoa	66 min
Aug 31, 3:24 PM CDT	Severe Thunderstorm Warning	LIX	Pike	66 min
Aug 31, 3:31 PM CDT	Severe Thunderstorm Warning	JAN	Covington	44 min
Aug 31, 3:50 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis	25 min
Aug 31, 3:53 PM CDT	Severe Thunderstorm Warning	MOB	Perry	52 min
Aug 31, 3:56 PM CDT	Severe Thunderstorm Warning	JAN	Jones	34 min
Aug 31, 3:57 PM CDT	Severe Thunderstorm Warning	LIX	East Baton Rouge, East Feliciana	63 min
Aug 31, 4:02 PM CDT	Severe Thunderstorm Warning	JAN	Forrest	28 min
Aug 31, 4:05 PM CDT	Severe Thunderstorm Warning	LIX	Washington	55 min
Aug 31, 4:05 PM CDT	Severe Thunderstorm Warning	LIX	Pearl River	55 min
Aug 31, 4:09 PM CDT	Severe Thunderstorm Warning	JAN	Lamar	41 min
Aug 31, 4:28 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Jones	47 min
Aug 31, 4:34 PM CDT	Severe Thunderstorm Warning	LIX	Ascension, Assumption, Iberville	56 min
Aug 31, 4:37 PM CDT	Severe Thunderstorm Warning	LIX	Tangipahoa	23 min
Aug 31, 4:44 PM CDT	Severe Thunderstorm Warning	LIX	Hancock	61 min
Aug 31, 4:52 PM CDT	Severe Thunderstorm Warning	JAN	Covington, Smith	38 min
Aug 31, 5:06 PM CDT	Tornado Warning	LIX	Lafourche, Saint Charles, Saint John the Baptist	39 min
Aug 31, 5:18 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis	42 min
Aug 31, 5:25 PM CDT	Severe Thunderstorm Warning	JAN	Copiah, Simpson	35 min
Aug 31, 5:34 PM CDT	Severe Thunderstorm Warning	LIX	Jefferson, Plaquemines	56 min
Aug 31, 5:38 PM CDT	Severe Thunderstorm Warning	JAN	Rankin, Smith	37 min
Aug 31, 6:02 PM CDT	Tornado Warning	LIX	Jefferson	28 min
Aug 31, 6:18 PM CDT	Severe Thunderstorm Warning	LIX	Orleans, Saint Bernard	57 min
Aug 31, 6:23 PM CDT	Tornado Warning	LIX	Terrebonne	37 min
Aug 31, 6:24 PM CDT	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis	36 min
Aug 31, 6:28 PM CDT	Severe Thunderstorm Warning	JAN	Lawrence, Lincoln	47 min
Aug 31, 7:33 PM CDT	Severe Thunderstorm Warning	LIX	Saint Tammany, Tangipahoa	42 min

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 7.5 hours before the alert went out and 117 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: 1374 J/kg
Mixed-layer CIN: -157 J/kg
Mixed-layer LCL: 1340 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -70 m²/s²
0-3 km storm-relative helicity: 96 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -1.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

Nearby

Severe Thunderstorm Watches in Louisiana, 2000 Severe Thunderstorm Watches in Mississippi, 2000 Every severe thunderstorm 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.