Alert archive / Louisiana / Tornado Warnings in 2020
Tornado Warning 64, NWS Lake Charles, LA
NWS Lake Charles, LA issued this tornado warning at Aug 27, 2020, 12:44 AM CDT for 11 parishes in Louisiana. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 27, 2020, 12:44 AM CDT (05:44 UTC)
- Expired
- Aug 27, 2020, 1:30 AM CDT
- In force
- 46 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Acadia Parish, LA, Allen Parish, LA, Beauregard Parish, LA, Evangeline Parish, LA, Iberia Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, St. Mary Parish, LA, Vermilion Parish, LA
The radar
The Lake Charles radar (KLCH), 112 km from the middle of the area, began a volume at 05:46 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 26, 9:03 PM CDT | Tornado Watch | SPC | 11 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 5.7 hours before the alert went out and 240 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
- 1989 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 724 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 179 m²/s²
- 0-3 km storm-relative helicity
- 200 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.3
The text
As transmitted.
556
WFUS54 KLCH 270544
TORLCH
LAC001-003-011-039-045-053-055-097-099-101-113-270630-
/O.NEW.KLCH.TO.W.0064.200827T0544Z-200827T0630Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lake Charles LA
Issued by National Weather Service Brownsville TX
1244 AM CDT Thu Aug 27 2020
The National Weather Service in Lake Charles has issued a
* Tornado Warning for...
Lafayette Parish in south central Louisiana...
Northwestern Iberia Parish in south central Louisiana...
Northwestern St. Mary Parish in south central Louisiana...
Jefferson Davis Parish in southwestern Louisiana...
Southern Evangeline Parish in central Louisiana...
Southeastern Beauregard Parish in southwestern Louisiana...
Acadia Parish in southwestern Louisiana...
Vermilion Parish in southwestern Louisiana...
West central St. Martin Parish in south central Louisiana...
Southwestern St. Landry Parish in central Louisiana...
Allen Parish in southwestern Louisiana...
* Until 130 AM CDT.
* At 1243 AM CDT, a several thunderstorms, each capable of producing
tornados were centered OVER Duson, or NEAR Rayne, moving northwest
at 55 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Lafayette, New Iberia, Opelousas, Crowley, Abbeville, Eunice,
Jennings, Scott, Breaux Bridge and Rayne.
This includes the following highways...
Interstate 10 in Louisiana between mile markers 50 and 109.
Interstate 49 between mile markers 1 and 16.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 2957 9203 2962 9202 2960 9207 2959 9206
2959 9204 2958 9205 2954 9225 2956 9244
2990 9262 3004 9262 3004 9269 3058 9325
3082 9232 2973 9149 2967 9162 2976 9162
2974 9178 2964 9190 2960 9181 2953 9197
TIME...MOT...LOC 0543Z 153DEG 49KT 3026 9222
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
53-SchroederThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 8:40 PM CDT | Tornado Warning | LCH | Cameron, Vermilion | 35 min |
| Aug 26, 9:10 PM CDT | Tornado Warning | LCH | Cameron | 35 min |
| Aug 26, 9:14 PM CDT | Tornado Warning | LCH | Cameron, Vermilion | 31 min |
| Aug 26, 9:40 PM CDT | Tornado Warning | LCH | Calcasieu, Cameron, Jefferson Davis, Vermilion | 35 min |
| Aug 26, 9:42 PM CDT | Tornado Warning | LCH | Cameron, Jefferson Davis, Vermilion | 33 min |
| Aug 26, 10:07 PM CDT | Tornado Warning | LCH | Cameron | 38 min |
| Aug 26, 10:12 PM CDT | Tornado Warning | LCH | Calcasieu, Cameron, Jefferson Davis | 33 min |
| Aug 26, 10:26 PM CDT | Tornado Warning | LCH | Iberia, Vermilion | 34 min |
| Aug 26, 10:39 PM CDT | Tornado Warning | LCH | Cameron | 51 min |
| Aug 26, 10:45 PM CDT | Tornado Warning | LCH | Calcasieu, Cameron, Jefferson Davis | 30 min |
| Aug 26, 10:53 PM CDT | Extreme Wind Warning | LCH | Acadia, Allen, Beauregard, Calcasieu, Cameron, Jefferson Davis and 1 more | 2 hr |
| Aug 26, 11:05 PM CDT | Tornado Warning | LCH | Acadia, Vermilion | 25 min |
| Aug 26, 11:16 PM CDT | Tornado Warning | LCH | Lafayette, Vermilion | 29 min |
| Aug 26, 11:28 PM CDT | Tornado Warning | LCH | Acadia, Evangeline, Jefferson Davis, Vermilion | 32 min |
| Aug 26, 11:38 PM CDT | Flash Flood Warning | LCH | Acadia, Allen, Evangeline, Iberia, Jefferson Davis, Lafayette and 4 more | 10 hr |
| Aug 26, 11:41 PM CDT | Tornado Warning | LCH | Iberia, Lafayette, St. Mary, Vermilion | 34 min |
| Aug 27, 12:02 AM CDT | Tornado Warning | LCH | Acadia, Allen, Beauregard, Evangeline, Jefferson Davis, Lafayette and 2 more | 43 min |
| Aug 27, 12:11 AM CDT | Tornado Warning | LCH | Iberia, Lafayette, Saint Martin, St. Mary, Vermilion | 34 min |
| Aug 27, 12:16 AM CDT | Flash Flood Warning | LCH | Calcasieu, Cameron, Jefferson Davis, Vermilion | 9 hr |
| Aug 27, 12:54 AM CDT | Extreme Wind Warning | LCH | Allen, Beauregard, Calcasieu, Cameron, Jefferson Davis | 2 hr |
| Aug 27, 1:42 AM CDT | Tornado Warning | LCH | Iberia, Lafayette, Saint Martin | 33 min |
| Aug 27, 2:14 AM CDT | Flash Flood Warning | LCH | Allen, Beauregard, Calcasieu, Jefferson Davis, Rapides, Vernon | 8 hr |
| Aug 27, 2:25 AM CDT | Tornado Warning | LCH | Iberia, Saint Martin, St. Mary | 35 min |
| Aug 27, 2:58 AM CDT | Extreme Wind Warning | LCH | Allen, Beauregard, Calcasieu, Cameron, Jefferson Davis, Vernon | 2 hr |
| Aug 27, 4:00 AM CDT | Flash Flood Warning | LCH | Acadia, Allen, Avoyelles, Evangeline, Iberia, Lafayette and 3 more | 6 hr |
| Aug 27, 4:18 AM CDT | Tornado Warning | LCH | Iberia, Saint Martin, St. Mary | 27 min |
| Aug 27, 4:25 AM CDT | River Flood Warning | LCH | Saint Martin, St. Mary | 13 hr |
| Aug 27, 6:02 AM CDT | River Flood Warning | LCH | Lafayette, Saint Landry, Saint Martin | 4 days |
| Aug 27, 9:12 AM CDT | Areal Flood Warning | LCH | Calcasieu, Cameron, Jefferson Davis, Vermilion | 6 hr |
| Aug 27, 9:43 AM CDT | River Flood Warning | LCH | Rapides | 12 days |
| Aug 27, 9:47 AM CDT | River Flood Warning | LCH | Allen, Beauregard | 4 days |
| Aug 27, 9:54 AM CDT | River Flood Warning | LCH | Beauregard, Vernon | 10 hr |
| Aug 27, 9:57 AM CDT | Areal Flood Warning | LCH | Acadia, Allen, Avoyelles, Evangeline, Iberia, Lafayette and 3 more | 3 hr |
| Aug 27, 9:57 AM CDT | River Flood Warning | LCH | Acadia, Evangeline, Saint Landry | 5 days |
| Aug 27, 10:02 AM CDT | River Flood Warning | LCH | Acadia, Jefferson Davis, Vermilion | 14 days |
| Aug 27, 10:04 AM CDT | Areal Flood Warning | LCH | Allen, Beauregard, Calcasieu, Jefferson Davis, Rapides, Vernon | 5 hr |
| Aug 27, 10:10 AM CDT | Areal Flood Warning | LCH | Acadia, Allen, Evangeline, Iberia, Jefferson Davis, Lafayette and 3 more | 3 hr |
| Aug 27, 10:36 AM CDT | Special Weather Statement | LCH | Iberia, Saint Martin, St. Mary | 39 min |
| Aug 27, 1:13 PM CDT | Small Craft Advisory | LCH | 6 hr | |
| Aug 27, 2:23 PM CDT | Special Weather Statement | LCH | St. Mary | 37 min |
| Aug 27, 4:14 PM CDT | Coastal Flood Advisory | LCH | Cameron | 17 hr |
| Aug 27, 6:45 PM CDT | Areal Flood Warning | LCH | Acadia, Calcasieu, Cameron, Iberia, Jefferson Davis, Lafayette and 3 more | 24 hr |
Nearby
Tornado Warnings in Louisiana, 2020Every tornado warning in 2020Tornadoes in 2020
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.