Alert archive / Louisiana / Tornado Warnings in 2021
Tornado Warning 9, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Apr 8, 2021, 2:30 AM CDT for Saint Tammany Parish, Louisiana. It was in force for 30 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 8, 2021, 2:30 AM CDT (07:30 UTC)
- Expired
- Apr 8, 2021, 3:00 AM CDT
- In force
- 30 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Saint Tammany Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 8, 2:30 AM CDT | TSTM WND DMG | 2 Nnw Madisonville, LA | ALMOST ALL BIG LIMBS HAVE ALREADY BEEN PICKED UP BUT A LOT OF LIGHT TREE DEBRIS IN MADISONVILLE OAKS NEIGHBORHOOD. |
| Apr 8, 2:33 AM CDT | TSTM WND DMG | 2 Ne Madisonville, LA | AROUND A DOZEN TREES DOWN IN FAIRVIEW-RIVERSIDE STATE PARK. ALL TREES BLOWN DOWN TO THE E-NE. (THIS IS DAMAGE FROM THE MORNING OF APRIL 8TH). |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 7.5 hours before the alert went out and 38 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
- 1186 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 722 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 175 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 5.8
The text
As transmitted.
158
WFUS54 KLIX 080730
TORLIX
LAC103-080800-
/O.NEW.KLIX.TO.W.0009.210408T0730Z-210408T0800Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
230 AM CDT Thu Apr 8 2021
The National Weather Service in New Orleans has issued a
* Tornado Warning for...
West central St. Tammany Parish in southeastern Louisiana...
* Until 300 AM CDT.
* At 230 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Madisonville, or near Covington, moving east at 30
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.
* This dangerous storm will be near...
Covington around 240 AM CDT.
Abita Springs around 250 AM CDT.
Lacombe around 255 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.
&&
LAT...LON 3035 8988 3038 9016 3039 9021 3046 9023
3055 8990
TIME...MOT...LOC 0730Z 258DEG 25KT 3041 9018
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$1 follow-up statement
827
WWUS54 KLIX 080747
SVSLIX
Severe Weather Statement
National Weather Service New Orleans LA
247 AM CDT Thu Apr 8 2021
LAC103-080800-
/O.CON.KLIX.TO.W.0009.000000T0000Z-210408T0800Z/
St. Tammany LA-
247 AM CDT Thu Apr 8 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 AM CDT FOR WEST
CENTRAL ST. TAMMANY PARISH...
At 247 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Abita Springs, or 8 miles southeast of Covington,
moving east at 30 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Lacombe around 250 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.
&&
LAT...LON 3037 9007 3046 9012 3049 9013 3055 8990
3035 8988
TIME...MOT...LOC 0747Z 251DEG 28KT 3039 9001
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 9:42 PM CDT | Severe Thunderstorm Warning | LIX | Pointe Coupee, West Feliciana | 78 min |
| Apr 7, 10:22 PM CDT | Tornado Warning | LIX | West Feliciana | 53 min |
| Apr 7, 10:50 PM CDT | Severe Thunderstorm Warning | LIX | East Feliciana, West Feliciana | 70 min |
| Apr 8, 12:08 AM CDT | Severe Thunderstorm Warning | LIX | East Feliciana, Saint Helena | 67 min |
| Apr 8, 12:25 AM CDT | Severe Thunderstorm Warning | LIX | East Baton Rouge, East Feliciana, Pointe Coupee, Saint Helena, West Baton Rouge, West Feliciana | 34 min |
| Apr 8, 12:39 AM CDT | Severe Thunderstorm Warning | LIX | Saint Helena, Tangipahoa, Washington | 66 min |
| Apr 8, 1:05 AM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany, Tangipahoa, Washington | 55 min |
| Apr 8, 1:12 AM CDT | Tornado Warning | LIX | Tangipahoa, Washington | 33 min |
| Apr 8, 1:20 AM CDT | Tornado Warning | LIX | Livingston, Saint Helena | 25 min |
| Apr 8, 1:51 AM CDT | Severe Thunderstorm Warning | LIX | Livingston, Saint John the Baptist, Tangipahoa | 39 min |
| Apr 8, 2:00 AM CDT | Special Marine Warning | LIX | 30 min | |
| Apr 8, 2:04 AM CDT | Special Weather Statement | LIX | Saint Tammany | 56 min |
| Apr 8, 2:14 AM CDT | Special Marine Warning | LIX | 61 min | |
| Apr 8, 2:24 AM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany | 51 min |
| Apr 8, 2:54 AM CDT | Special Weather Statement | LIX | Orleans, Saint Charles | 66 min |
| Apr 8, 2:56 AM CDT | Tornado Warning | LIX | Saint Tammany | 34 min |
| Apr 8, 3:03 AM CDT | Tornado Warning | LIX | Saint Charles, Saint John the Baptist | 14 min |
| Apr 8, 3:28 AM CDT | Special Marine Warning | LIX | 62 min | |
| Apr 8, 3:42 AM CDT | Flash Flood Warning | LIX | Jefferson, Orleans, Saint Charles | 5 hr |
| Apr 8, 4:00 AM CDT | Tornado Warning | LIX | Jefferson | 12 min |
| Apr 8, 4:15 AM CDT | Special Weather Statement | LIX | Jefferson, Lafourche | 60 min |
| Apr 8, 4:22 AM CDT | Tornado Warning | LIX | Jefferson | 23 min |
| Apr 8, 4:31 AM CDT | Special Marine Warning | LIX | 89 min | |
| Apr 8, 5:14 AM CDT | Special Weather Statement | LIX | Jefferson, Plaquemines, Terrebonne | 61 min |
| Apr 8, 5:19 AM CDT | Special Marine Warning | LIX | 56 min | |
| Apr 8, 5:45 AM CDT | Special Marine Warning | LIX | 2 hr | |
| Apr 8, 6:11 AM CDT | Severe Thunderstorm Warning | LIX | Plaquemines | 34 min |
| Apr 8, 6:15 AM CDT | Special Marine Warning | LIX | 2 hr | |
| Apr 8, 7:42 AM CDT | Special Marine Warning | LIX | 63 min | |
| Apr 8, 9:55 AM CDT | River Flood Warning | LIX | Tangipahoa | 12 days |
| Apr 8, 9:58 AM CDT | River Flood Warning | LIX | Saint Tammany | 4 days |
| Apr 8, 10:10 AM CDT | River Flood Warning | LIX | Ascension | 12 days |
Nearby
Tornado Warnings in Louisiana, 2021Every tornado warning in 2021Tornadoes in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.