Alert archive / Louisiana / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 235
The Storm Prediction Center issued this severe thunderstorm watch at May 4, 2000, 2:00 PM CDT for 27 parishes in Louisiana; 7 counties in Mississippi; 13 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 4, 2000, 2:00 PM CDT (19:00 UTC)
- Expired
- May 4, 2000, 7:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 47 counties
Acadia Parish, LA, Allen Parish, LA, Ascension 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, 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 John the Baptist Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, Saint Tammany Parish, LA, Tangipahoa Parish, LA, Vermilion Parish, LA, Vernon Parish, LA, Washington Parish, LA, West Baton Rouge Parish, LA, West Feliciana Parish, LA, Amite County, MS, Franklin County, MS, Lawrence County, MS, Lincoln County, MS, Pike County, MS, Walthall County, MS, Wilkinson County, MS, Chambers County, TX, Fort Bend County, TX, Hardin County, TX, Harris County, TX, Jasper County, TX, Jefferson County, TX, Liberty County, TX, Montgomery County, TX, Newton County, TX, Orange County, TX, Polk County, TX, San Jacinto County, TX, Tyler County, TX
The radar
The Lake Charles radar (KLCH), 48 km from the middle of the area, began a volume at 18:59 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
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 2:24 PM CDT | Severe Thunderstorm Warning | HGX | Harris, Liberty | 51 min |
| May 4, 3:37 PM CDT | Severe Thunderstorm Warning | HGX | Harris | 53 min |
| May 4, 3:50 PM CDT | Flash Flood Warning | HGX | Brazos, Grimes, Montgomery, Washington | 3 hr |
| May 4, 4:30 PM CDT | Severe Thunderstorm Warning | HGX | Harris | 45 min |
| May 4, 5:33 PM CDT | Severe Thunderstorm Warning | HGX | Chambers, Harris | 42 min |
| May 4, 5:36 PM CDT | Severe Thunderstorm Warning | HGX | Liberty | 24 min |
| May 4, 6:15 PM CDT | Severe Thunderstorm Warning | HGX | Chambers | 45 min |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.0 hours before the alert went out and 50 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
- 1094 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 606 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.9
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 |
|---|---|---|---|---|
| May 3, 10:15 PM CDT | Severe Thunderstorm Watch | SPC | Bossier, Caddo, De Soto, Red River, Sabine, Webster | 5 hr |
| May 4, 5:00 AM CDT | Severe Thunderstorm Watch | SPC | Bienville, Bossier, Caddo, Claiborne, De Soto, Natchitoches and 4 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Louisiana, 2000Severe Thunderstorm Watches in Texas, 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; radar from the NEXRAD Level II archive.