Alert archive / Louisiana / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 127
The Storm Prediction Center issued this severe thunderstorm watch at Mar 27, 2000, 4:00 AM CST for 11 parishes in Louisiana; Hancock County, Pearl River County, Mississippi. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 27, 2000, 4:00 AM CST (10:00 UTC)
- Expired
- Mar 27, 2000, 9:00 AM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
Counties Ascension Parish, LA, Assumption Parish, LA, Jefferson Parish, LA, Lafourche Parish, LA, Orleans Parish, LA, Plaquemines Parish, LA, Saint Charles Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA, Saint Tammany Parish, LA, Terrebonne Parish, LA, Hancock County, MS, Pearl River County, MS
Warnings issued inside it
2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 4:38 AM CST | Severe Thunderstorm Warning | LIX | Saint Tammany | 37 min |
| Mar 27, 4:55 AM CST | Tornado Warning | LIX | Hancock | 35 min |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 10.0 hours before the alert went out and 109 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.
- Mixed-layer CAPE
- 341 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1146 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 181 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.7
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 26, 10:30 PM CST | Severe Thunderstorm Watch | SPC | Bienville, Bossier, Caddo, Claiborne, De Soto, Natchitoches and 4 more | 6 hr |
| Mar 26, 11:15 PM CST | Severe Thunderstorm Watch | SPC | Bienville, Caldwell, Catahoula, Claiborne, Concordia, East Carroll and 14 more | 5 hr |
| Mar 27, 2:00 AM CST | Severe Thunderstorm Watch | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 23 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Louisiana, 2000Severe Thunderstorm Watches in Mississippi, 2000Every 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.