Alert archive / Louisiana / Tornado Watches in 1998
Tornado Watch 29
The Storm Prediction Center issued this tornado watch at Feb 10, 1998, 1:00 PM CST for 16 parishes in Louisiana; 4 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 10, 1998, 1:00 PM CST (19:00 UTC)
- Expired
- Feb 10, 1998, 7:00 PM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
Counties Acadia Parish, LA, Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Cameron Parish, LA, Concordia Parish, LA, Evangeline Parish, LA, Grant Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, Rapides Parish, LA, Sabine Parish, LA, Saint Landry Parish, LA, Vermilion Parish, LA, Vernon Parish, LA, Jasper County, TX, Jefferson County, TX, Newton County, TX, Orange County, TX
The radar
The Lake Charles radar (KLCH), 26 km from the middle of the area, began a volume at 19:02 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
28 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 10, 1:31 PM CST | Severe Thunderstorm Warning | LCH | Jefferson | 59 min |
| Feb 10, 1:34 PM CST | Severe Thunderstorm Warning | LCH | Jasper, Newton | 61 min |
| Feb 10, 1:51 PM CST | Severe Thunderstorm Warning | LCH | Orange | 59 min |
| Feb 10, 2:05 PM CST | Tornado Warning | LCH | Jasper | 35 min |
| Feb 10, 2:16 PM CST | Severe Thunderstorm Warning | SHV | Sabine | 49 min |
| Feb 10, 2:24 PM CST | Severe Thunderstorm Warning | LCH | Beauregard, Calcasieu, Vernon | 61 min |
| Feb 10, 2:24 PM CST | Severe Thunderstorm Warning | LCH | Cameron | 61 min |
| Feb 10, 2:25 PM CST | Tornado Warning | LCH | Newton | 35 min |
| Feb 10, 2:34 PM CST | Tornado Warning | LCH | Beauregard, Vernon | 66 min |
| Feb 10, 2:38 PM CST | Severe Thunderstorm Warning | LCH | Jefferson | 32 min |
| Feb 10, 2:50 PM CST | Tornado Warning | SHV | Natchitoches, Sabine | 50 min |
| Feb 10, 2:51 PM CST | Severe Thunderstorm Warning | LCH | Orange | 34 min |
| Feb 10, 3:06 PM CST | Severe Thunderstorm Warning | LCH | Allen, Rapides | 64 min |
| Feb 10, 3:14 PM CST | Severe Thunderstorm Warning | SHV | Grant, Winn | 46 min |
| Feb 10, 3:25 PM CST | Severe Thunderstorm Warning | LCH | Calcasieu, Cameron | 60 min |
| Feb 10, 3:55 PM CST | Severe Thunderstorm Warning | LCH | Jefferson Davis | 45 min |
| Feb 10, 4:01 PM CST | Tornado Warning | SHV | Grant, LaSalle | 64 min |
| Feb 10, 4:11 PM CST | Severe Thunderstorm Warning | LCH | Allen, Evangeline, Rapides | 39 min |
| Feb 10, 4:30 PM CST | Severe Thunderstorm Warning | LCH | Cameron | 45 min |
| Feb 10, 4:32 PM CST | Severe Thunderstorm Warning | JAN | Concordia | 28 min |
| Feb 10, 4:41 PM CST | Severe Thunderstorm Warning | LCH | Avoyelles, Saint Landry | 59 min |
| Feb 10, 4:41 PM CST | Severe Thunderstorm Warning | LCH | Acadia | 59 min |
| Feb 10, 5:00 PM CST | Severe Thunderstorm Warning | JAN | Concordia | 30 min |
| Feb 10, 5:10 PM CST | Severe Thunderstorm Warning | LCH | Vermilion | 60 min |
| Feb 10, 5:24 PM CST | Severe Thunderstorm Warning | LCH | Lafayette | 46 min |
| Feb 10, 5:42 PM CST | Severe Thunderstorm Warning | LCH | Acadia, Saint Landry | 33 min |
| Feb 10, 5:59 PM CST | Tornado Warning | LCH | Saint Landry | 36 min |
| Feb 10, 6:14 PM CST | Severe Thunderstorm Warning | LCH | Vermilion | 31 min |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.0 hours before the alert went out and 28 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
- 380 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 709 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 182 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.2
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 |
|---|---|---|---|---|
| Feb 10, 9:15 AM CST | Severe Thunderstorm Watch | SPC | Bossier, Caddo, Claiborne, De Soto, Red River, Webster | 6 hr |
| Feb 10, 10:00 AM CST | Tornado Watch | SPC | Sabine | 6 hr |
| Feb 10, 2:45 PM CST | Tornado Watch | SPC | Bienville, Bossier, Caldwell, Catahoula, Claiborne, De Soto and 17 more | 6 hr |
| Feb 10, 4:45 PM CST | Tornado Watch | SPC | Ascension, Assumption, East Baton Rouge, East Feliciana, Iberia, Iberville and 18 more | 5 hr |
| Feb 10, 5:00 PM CST | Tornado Watch | SPC | East Carroll, Madison, Tensas | 6 hr |
| Feb 10, 4:00 AM CST | Severe Thunderstorm Watch | SPC | Bandera, Bastrop, Bell, Bexar, Blanco, Burnet and 22 more | 6 hr |
Nearby
Tornado Watches in Louisiana, 1998Tornado Watches in Texas, 1998Every tornado watch in 1998
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.