Alert archive / Louisiana / Tornado Warnings in 2022

Tornado Warning 49, NWS New Orleans, LA

December 14, 2022Saint Helena Parish, Tangipahoa Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Dec 14, 2022, 11:58 AM CST for Saint Helena Parish, Tangipahoa Parish, Louisiana. It was in force for 34 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: Dec 14, 2022, 11:58 AM CST (17:58 UTC)
Expired: Dec 14, 2022, 12:32 PM CST
In force: 34 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Saint Helena Parish, LA, Tangipahoa Parish, LA

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Dec 14, 5:55 AM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 6.0 hours before the alert went out and 103 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 963 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 608 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 248 m²/s²
0-3 km storm-relative helicity: 294 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 8.5

Open this sounding in Storm Lab

The text

As transmitted.

908 
WFUS54 KLIX 141758
TORLIX
LAC091-105-141845-
/O.NEW.KLIX.TO.W.0049.221214T1758Z-221214T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
1158 AM CST Wed Dec 14 2022

The National Weather Service in New Orleans has issued a

* Tornado Warning for...
  Southeastern St. Helena Parish in southeastern Louisiana...
  Northwestern Tangipahoa Parish in southeastern Louisiana...

* Until 1245 PM CST.
    
* At 1157 AM CST, a severe thunderstorm capable of producing a
  tornado was located near Roseland, or near Greensburg, moving
  northeast at 40 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...
  Kentwood around 1215 PM CST.

Other locations impacted by this tornadic thunderstorm include
Tangipahoa.

This includes Interstate 55 in Louisiana between mile markers 46 and
62.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or 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 3065 9059 3076 9079 3097 9056 3086 9037
TIME...MOT...LOC 1757Z 227DEG 33KT 3077 9060 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

MSW

2 follow-up statements

134 
WWUS54 KLIX 141812
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
1212 PM CST Wed Dec 14 2022

LAC091-141822-
/O.CAN.KLIX.TO.W.0049.000000T0000Z-221214T1845Z/
St. Helena LA-
1212 PM CST Wed Dec 14 2022

...THE TORNADO WARNING FOR SOUTHEASTERN ST. HELENA PARISH IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area.  Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 100 PM CST for southeastern
Louisiana.

LAT...LON 3086 9037 3078 9053 3085 9057 3091 9057
      3097 9056
TIME...MOT...LOC 1812Z 223DEG 27KT 3084 9052 

$$

LAC105-141845-
/O.CON.KLIX.TO.W.0049.000000T0000Z-221214T1845Z/
Tangipahoa LA-
1212 PM CST Wed Dec 14 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 PM CST FOR
NORTHWESTERN TANGIPAHOA PARISH...
        
At 1212 PM CST, a confirmed tornado was located near Roseland, or 7
miles north of Amite, moving northeast at 30 mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

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 tornado will be near...
  Kentwood around 1225 PM CST.

Other locations impacted by this tornadic thunderstorm include
Tangipahoa.

This includes Interstate 55 in Louisiana between mile markers 52 and
62.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or 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 3086 9037 3078 9053 3085 9057 3091 9057
      3097 9056
TIME...MOT...LOC 1812Z 223DEG 27KT 3084 9052 

TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN

$$

MEFFER

406 
WWUS54 KLIX 141832 RRA
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
1232 PM CST Wed Dec 14 2022

LAC105-141842-
/O.CAN.KLIX.TO.W.0049.000000T0000Z-221214T1845Z/
Tangipahoa LA-
1232 PM CST Wed Dec 14 2022

...THE TORNADO WARNING FOR NORTHWESTERN TANGIPAHOA PARISH IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.  However gusty winds and
heavy rain are still possible with this thunderstorm.

A Tornado Watch remains in effect until 800 PM CST for southeastern
Louisiana.

LAT...LON 3086 9037 3078 9053 3085 9057 3091 9057
      3097 9056
TIME...MOT...LOC 1832Z 227DEG 33KT 3097 9036 

$$

MEFFER

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 14, 4:43 AM CST	Areal Flood Advisory	LIX	Pointe Coupee, West Feliciana	46 min
Dec 14, 5:29 AM CST	Flash Flood Warning	LIX	Pointe Coupee, West Feliciana	7 hr
Dec 14, 11:10 AM CST	Special Marine Warning	LIX		35 min
Dec 14, 11:37 AM CST	Tornado Warning	LIX	Livingston, Saint Helena, Tangipahoa	38 min
Dec 14, 11:39 AM CST	Tornado Warning	LIX	Washington	19 min
Dec 14, 11:44 AM CST	Tornado Warning	LIX	Saint Tammany, Tangipahoa	25 min
Dec 14, 11:54 AM CST	Tornado Warning	LIX	Saint Tammany, Washington	36 min
Dec 14, 11:57 AM CST	Tornado Warning	LIX	Saint Tammany, Tangipahoa, Washington	48 min
Dec 14, 12:00 PM CST	Tornado Warning	LIX	Ascension, Assumption, Iberville, Saint James	32 min
Dec 14, 12:00 PM CST	Tornado Warning	LIX	Washington	30 min
Dec 14, 12:02 PM CST	Special Marine Warning	LIX		43 min
Dec 14, 12:04 PM CST	Special Marine Warning	LIX		41 min
Dec 14, 12:10 PM CST	Flash Flood Warning	LIX	Ascension, East Baton Rouge, Iberville, Livingston, Saint Helena, West Baton Rouge	3 hr
Dec 14, 12:16 PM CST	Tornado Warning	LIX	Tangipahoa, Washington	44 min
Dec 14, 12:17 PM CST	Tornado Warning	LIX	Livingston, Saint Helena, Tangipahoa	43 min
Dec 14, 12:21 PM CST	Tornado Warning	LIX	Ascension, Livingston	39 min
Dec 14, 12:25 PM CST	Severe Thunderstorm Warning	LIX	Saint Tammany	35 min
Dec 14, 12:26 PM CST	Severe Thunderstorm Warning	LIX	Saint Tammany, Tangipahoa, Washington	34 min
Dec 14, 12:41 PM CST	Tornado Warning	LIX	Livingston, Tangipahoa	28 min
Dec 14, 12:44 PM CST	Tornado Warning	LIX	Saint Helena	15 min
Dec 14, 12:49 PM CST	Tornado Warning	LIX	Tangipahoa, Washington	41 min
Dec 14, 1:12 PM CST	Flash Flood Warning	LIX	Ascension, Assumption, East Baton Rouge, Iberville, Livingston, Saint James	3 hr
Dec 14, 1:41 PM CST	Flash Flood Warning	LIX	Livingston, Saint Helena, Saint Tammany, Tangipahoa, Washington	3 hr
Dec 14, 1:57 PM CST	Special Marine Warning	LIX		63 min
Dec 14, 2:05 PM CST	Special Weather Statement	LIX	Saint Tammany, Washington	25 min
Dec 14, 2:11 PM CST	Special Marine Warning	LIX		64 min
Dec 14, 2:18 PM CST	Special Weather Statement	LIX	Saint John the Baptist	27 min
Dec 14, 2:21 PM CST	Tornado Warning	LIX	Saint Charles, Saint John the Baptist	17 min
Dec 14, 2:31 PM CST	Tornado Warning	LIX	Lafourche, Saint Charles	29 min
Dec 14, 2:36 PM CST	Severe Thunderstorm Warning	LIX	Saint Tammany	39 min
Dec 14, 2:42 PM CST	Tornado Warning	LIX	Saint Tammany	33 min
Dec 14, 2:52 PM CST	Flash Flood Warning	LIX	Saint Tammany, Tangipahoa, Washington	3 hr
Dec 14, 3:07 PM CST	Tornado Warning Tornado observed	LIX	Saint Tammany	11 min
Dec 14, 3:08 PM CST	Special Marine Warning	LIX		47 min
Dec 14, 3:11 PM CST	Flash Flood Warning	LIX	Saint Charles, Saint John the Baptist	2 hr
Dec 14, 3:14 PM CST	Tornado Warning	LIX	Jefferson, Lafourche, Saint Charles	31 min
Dec 14, 3:15 PM CST	Special Marine Warning	LIX		60 min
Dec 14, 3:38 PM CST	Severe Thunderstorm Warning	LIX	Saint Tammany	52 min
Dec 14, 3:44 PM CST	Areal Flood Advisory	LIX	Orleans, Saint Tammany	2 hr
Dec 14, 3:44 PM CST	Tornado Warning	LIX	Jefferson, Orleans, Saint Bernard, Saint Charles	46 min
Dec 14, 3:56 PM CST	Special Marine Warning	LIX		64 min
Dec 14, 4:23 PM CST	Flash Flood Warning	LIX	Jefferson, Orleans, Saint Bernard, Saint Charles	2 hr
Dec 14, 4:29 PM CST	Special Marine Warning	LIX		91 min
Dec 14, 4:32 PM CST	Special Marine Warning	LIX		58 min
Dec 14, 4:47 PM CST	Tornado Warning	LIX	Plaquemines, Saint Bernard	28 min
Dec 14, 4:51 PM CST	Special Marine Warning	LIX		84 min
Dec 14, 5:17 PM CST	Tornado Warning	LIX	Plaquemines	18 min
Dec 14, 5:21 PM CST	Areal Flood Advisory	LIX	Saint Tammany	112 min
Dec 14, 5:21 PM CST	Special Marine Warning	LIX		54 min
Dec 14, 5:54 PM CST	Special Marine Warning	LIX		2 hr
Dec 14, 5:58 PM CST	Special Marine Warning	LIX		2 hr

Nearby

Tornado Warnings in Louisiana, 2022 Every tornado warning in 2022 Tornadoes in 2022

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.