Alert archive / Louisiana / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 42
The Storm Prediction Center issued this severe thunderstorm watch at Mar 26, 2002, 12:00 AM CST for 28 parishes in Louisiana; 4 counties in Mississippi; Jefferson County, Orange County, Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 26, 2002, 12:00 AM CST (06:00 UTC)
- Expired
- Mar 26, 2002, 5:00 AM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 34 counties
Acadia Parish, LA, Allen Parish, LA, Ascension Parish, LA, Assumption Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Cameron Parish, LA, East Baton Rouge Parish, LA, East Feliciana Parish, LA, Evangeline Parish, LA, Iberia Parish, LA, Iberville Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, Livingston Parish, LA, Pointe Coupee Parish, LA, Rapides Parish, LA, Saint Helena Parish, LA, Saint James Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, St. Mary Parish, LA, Tangipahoa Parish, LA, Vermilion Parish, LA, Vernon Parish, LA, West Baton Rouge Parish, LA, West Feliciana Parish, LA, Amite County, MS, Pike County, MS, Walthall County, MS, Wilkinson County, MS, Jefferson County, TX, Orange County, TX
The radar
The Lake Charles radar (KLCH), 49 km from the middle of the area, began a volume at 06:02 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
Warnings issued inside it
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 26, 12:09 AM CST | Severe Thunderstorm Warning | LCH | Rapides | 66 min |
| Mar 26, 1:04 AM CST | Severe Thunderstorm Warning | LIX | Amite | 41 min |
| Mar 26, 1:50 AM CST | Tornado Warning | LIX | Amite, Pike | 25 min |
| Mar 26, 2:14 AM CST | Severe Thunderstorm Warning | LIX | Pike | 31 min |
| Mar 26, 3:23 AM CST | Severe Thunderstorm Warning | LIX | Walthall | 22 min |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 6.0 hours before the alert went out and 48 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
- 819 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 932 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 5.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 6:30 PM CST | Severe Thunderstorm Watch | SPC | Bienville, Bossier, Caddo, Caldwell, Catahoula, Claiborne and 19 more | 6 hr |
| Mar 25, 7:30 PM CST | Severe Thunderstorm Watch | SPC | Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 7 more | 6 hr |
| Mar 25, 11:00 PM CST | Severe Thunderstorm Watch | SPC | Bienville, Caldwell, Catahoula, Claiborne, Concordia, De Soto and 18 more | 6 hr |
| Mar 25, 10:00 PM CST | Severe Thunderstorm Watch | SPC | Alcorn, Benton, Bolivar, Calhoun, Chickasaw, Coahoma and 18 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Louisiana, 2002Severe Thunderstorm Watches in Mississippi, 2002Severe Thunderstorm Watches in Texas, 2002Every severe thunderstorm watch in 2002
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; radar from the NEXRAD Level II archive.