Alert archive / Louisiana / Tornado Warnings in 2021
Tornado Warning 16, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Apr 10, 2021, 2:05 AM CDT for Saint Tammany Parish, Louisiana; Pearl River County, Mississippi. It was in force for 10 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
- Apr 10, 2021, 2:05 AM CDT (07:05 UTC)
- Expired
- Apr 10, 2021, 2:15 AM CDT
- In force
- 10 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 10, 12:16 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 7.1 hours before the alert went out and 33 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
- 2977 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 599 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 243 m²/s²
- 0-3 km storm-relative helicity
- 269 m²/s²
- Significant tornado parameter
- 3.4
- Supercell composite
- 18.1
The text
As transmitted.
095
WFUS54 KLIX 100705
TORLIX
LAC103-MSC109-100730-
/O.NEW.KLIX.TO.W.0016.210410T0705Z-210410T0730Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
205 AM CDT Sat Apr 10 2021
The National Weather Service in New Orleans has issued a
* Tornado Warning for...
Central St. Tammany Parish in southeastern Louisiana...
Southwestern Pearl River County in southern Mississippi...
* Until 230 AM CDT.
* At 205 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Abita Springs, or 11 miles east of Covington,
moving northeast at 40 mph.
HAZARD...Tornado and quarter size hail.
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...
Picayune around 230 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 3042 8992 3047 8997 3071 8972 3060 8960
TIME...MOT...LOC 0705Z 227DEG 34KT 3046 8993
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
MEFFER1 follow-up statement
651
WWUS54 KLIX 100715
SVSLIX
Severe Weather Statement
National Weather Service New Orleans LA
215 AM CDT Sat Apr 10 2021
LAC103-MSC109-100725-
/O.CAN.KLIX.TO.W.0016.000000T0000Z-210410T0730Z/
St. Tammany LA-Pearl River MS-
215 AM CDT Sat Apr 10 2021
...THE TORNADO WARNING FOR CENTRAL ST. TAMMANY PARISH IN SOUTHEASTERN
LOUISIANA AND SOUTHWESTERN PEARL RIVER COUNTIES IS CANCELLED...
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.
A Tornado Watch remains in effect until 700 AM CDT for southeastern
Louisiana...and southern Mississippi.
LAT...LON 3042 8992 3047 8997 3071 8972 3060 8960
TIME...MOT...LOC 0715Z 227DEG 34KT 3053 8985
$$
MEFFERThe office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 12:41 AM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany, Washington | 11 min |
| Apr 10, 1:07 AM CDT | Special Marine Warning | LIX | 22 min | |
| Apr 10, 1:40 AM CDT | Special Marine Warning | LIX | 20 min | |
| Apr 10, 1:45 AM CDT | Tornado Warning | LIX | Pointe Coupee, West Feliciana | 45 min |
| Apr 10, 1:52 AM CDT | Special Weather Statement | LIX | Saint Tammany | 38 min |
| Apr 10, 2:01 AM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany, Washington | 29 min |
| Apr 10, 2:28 AM CDT | Severe Thunderstorm Warning | LIX | Pointe Coupee, West Feliciana | 47 min |
| Apr 10, 2:48 AM CDT | Severe Thunderstorm Warning | LIX | East Baton Rouge, East Feliciana, Saint Helena, West Feliciana | 39 min |
| Apr 10, 2:58 AM CDT | Severe Thunderstorm Warning | LIX | Saint Helena, Tangipahoa | 35 min |
| Apr 10, 3:20 AM CDT | Severe Thunderstorm Warning | LIX | East Baton Rouge, East Feliciana, Pointe Coupee, West Baton Rouge, West Feliciana | 33 min |
| Apr 10, 3:25 AM CDT | Special Weather Statement | LIX | Saint Helena, Tangipahoa | 65 min |
| Apr 10, 3:26 AM CDT | Special Weather Statement | LIX | Ascension, Assumption, Livingston, Saint James, Saint John the Baptist | 64 min |
| Apr 10, 3:38 AM CDT | Special Marine Warning | LIX | 67 min | |
| Apr 10, 3:59 AM CDT | Special Weather Statement | LIX | East Baton Rouge | 46 min |
| Apr 10, 4:16 AM CDT | Special Marine Warning | LIX | 59 min | |
| Apr 10, 4:23 AM CDT | Tornado Warning | LIX | Saint James, Saint John the Baptist | 19 min |
| Apr 10, 4:40 AM CDT | Flash Flood Warning | LIX | Saint Tammany, Tangipahoa, Washington | 3 hr |
| Apr 10, 4:47 AM CDT | Special Weather Statement | LIX | Ascension, Assumption, Orleans, Saint Charles, Saint James, Saint John the Baptist and 1 more | 58 min |
| Apr 10, 4:58 AM CDT | Severe Thunderstorm Warning | LIX | Jefferson, Orleans, Plaquemines, Saint Bernard, Saint Charles, Saint Tammany | 47 min |
| Apr 10, 5:16 AM CDT | Flash Flood Warning | LIX | Orleans | 3 hr |
| Apr 10, 5:23 AM CDT | Special Marine Warning | LIX | 67 min | |
| Apr 10, 5:24 AM CDT | Flash Flood Warning | LIX | Saint Bernard | 3 hr |
| Apr 10, 5:46 AM CDT | Special Weather Statement | LIX | Assumption, Jefferson, Orleans, Saint Charles | 59 min |
| Apr 10, 6:07 AM CDT | Areal Flood Advisory | LIX | Jefferson, Lafourche, Orleans, Saint Charles, Saint John the Baptist, Terrebonne | 2 hr |
| Apr 10, 6:24 AM CDT | Special Marine Warning | LIX | 96 min | |
| Apr 10, 6:29 AM CDT | Flash Flood Warning | LIX | Lafourche, Terrebonne | 89 min |
| Apr 10, 6:33 AM CDT | Flash Flood Warning | LIX | Jefferson, Plaquemines | 105 min |
| Apr 10, 6:42 AM CDT | Special Weather Statement | LIX | Jefferson, Lafourche, Plaquemines, Terrebonne | 78 min |
| Apr 10, 7:13 AM CDT | Special Marine Warning | LIX | 92 min | |
| Apr 10, 7:53 AM CDT | Special Marine Warning | LIX | 97 min | |
| Apr 10, 8:52 AM CDT | River Flood Warning | LIX | Saint Tammany | 10 days |
| Apr 10, 8:52 AM CDT | River Flood Warning | LIX | Saint Tammany | 24 hr |
| Apr 10, 8:55 AM CDT | River Flood Warning | LIX | Saint Tammany | 25 hr |
| Apr 10, 9:49 AM CDT | River Flood Warning | LIX | Washington | 33 hr |
| Apr 10, 11:15 AM CDT | Special Weather Statement | LIX | Terrebonne | 30 min |
| Apr 10, 11:51 AM CDT | Special Weather Statement | LIX | Lafourche | 39 min |
| Apr 10, 12:28 PM CDT | Special Weather Statement | LIX | Jefferson | 32 min |
| Apr 10, 5:46 PM CDT | River Flood Warning | LIX | Saint Helena | 26 hr |
| Apr 9, 11:57 PM CDT | Severe Thunderstorm Warning | LIX | Amite, Pike | 36 min |
| Apr 10, 12:12 AM CDT | Severe Thunderstorm Warning | LIX | Walthall | 33 min |
| Apr 10, 12:14 AM CDT | Special Weather Statement | LIX | Wilkinson | 46 min |
| Apr 10, 12:46 AM CDT | Severe Thunderstorm Warning | LIX | Amite, Pike, Walthall | 43 min |
| Apr 10, 1:33 AM CDT | Special Weather Statement | LIX | Pearl River | 42 min |
| Apr 10, 2:42 AM CDT | Severe Thunderstorm Warning | LIX | Hancock, Harrison | 33 min |
| Apr 10, 3:11 AM CDT | Severe Thunderstorm Warning | LIX | Harrison, Jackson | 49 min |
| Apr 10, 3:29 AM CDT | Severe Thunderstorm Warning | LIX | Harrison, Jackson | 31 min |
| Apr 10, 3:36 AM CDT | Special Weather Statement | LIX | Pearl River | 39 min |
| Apr 10, 3:55 AM CDT | Severe Thunderstorm Warning | LIX | Harrison, Jackson | 14 min |
| Apr 10, 4:06 AM CDT | Flash Flood Warning | LIX | Hancock, Pearl River | 3 hr |
| Apr 10, 5:07 AM CDT | Special Weather Statement | LIX | Hancock | 23 min |
| Apr 10, 5:35 AM CDT | Special Weather Statement | LIX | Harrison | 25 min |
| Apr 10, 6:02 AM CDT | Areal Flood Advisory | LIX | Jackson | 3 hr |
| Apr 10, 9:49 AM CDT | River Flood Warning | LIX | Pike, Walthall | 56 hr |
| Apr 10, 9:58 AM CDT | River Flood Warning | LIX | Harrison | 25 hr |
Nearby
Tornado Warnings in Louisiana, 2021Tornado Warnings in Mississippi, 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; the sounding from the Mesonet's radiosonde archive.