Alert archive / Louisiana / Tornado Warnings in 2021

Tornado Warning 72, NWS New Orleans, LA

December 6, 2021Tangipahoa Parish, Washington Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Dec 6, 2021, 1:22 PM CST for Tangipahoa Parish, Washington Parish, Louisiana. It was in force for 68 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 6, 2021, 1:22 PM CST (19:22 UTC)
Expired: Dec 6, 2021, 2:30 PM CST
In force: 68 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Tangipahoa Parish, LA, Washington Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 7.4 hours before the alert went out and 85 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: 720 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 680 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 180 m²/s²
0-3 km storm-relative helicity: 201 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 5.4

Open this sounding in Storm Lab

The text

As transmitted.

517 
WFUS54 KLIX 061922
TORLIX
LAC105-117-062030-
/O.NEW.KLIX.TO.W.0072.211206T1922Z-211206T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
122 PM CST Mon Dec 6 2021

The National Weather Service in New Orleans has issued a

* Tornado Warning for...
  Northeastern Tangipahoa Parish in southeastern Louisiana...
  Western Washington Parish in southeastern Louisiana...

* Until 230 PM CST.
    
* At 122 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Wilmer, or 12 miles northeast of Amite, moving
  east at 25 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...
  Franklinton around 200 PM CST.
  Enon around 210 PM CST.

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 3082 9049 3095 9044 3094 8997 3069 9008
      3071 9024
TIME...MOT...LOC 1922Z 281DEG 22KT 3088 9040 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$


CAB

3 follow-up statements

224 
WWUS54 KLIX 061931
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
131 PM CST Mon Dec 6 2021

LAC105-117-062030-
/O.CON.KLIX.TO.W.0072.000000T0000Z-211206T2030Z/
Tangipahoa LA-Washington LA-
131 PM CST Mon Dec 6 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 PM CST FOR
NORTHEASTERN TANGIPAHOA AND SOUTHWESTERN WASHINGTON PARISHES...
    
At 131 PM CST, a severe thunderstorm capable of producing a tornado
was located near Wilmer, or 11 miles west of Franklinton, moving east
at 25 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...
  Franklinton around 200 PM CST.
  Enon around 210 PM CST.

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 3084 9041 3089 9036 3089 8999 3071 9007
      3078 9027
TIME...MOT...LOC 1931Z 281DEG 22KT 3087 9033 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

CAB

033 
WWUS54 KLIX 061951
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
151 PM CST Mon Dec 6 2021

LAC105-062000-
/O.CAN.KLIX.TO.W.0072.000000T0000Z-211206T2030Z/
Tangipahoa LA-
151 PM CST Mon Dec 6 2021

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

LAT...LON 3085 9024 3089 9022 3089 8999 3074 9006
      3080 9022
TIME...MOT...LOC 1950Z 281DEG 22KT 3085 9019 

$$

LAC117-062030-
/O.CON.KLIX.TO.W.0072.000000T0000Z-211206T2030Z/
Washington LA-
151 PM CST Mon Dec 6 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 PM CST FOR
SOUTHWESTERN WASHINGTON PARISH...
    
At 150 PM CST, a severe thunderstorm capable of producing a tornado
was located over Franklinton, moving east at 25 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...
  Franklinton around 200 PM CST.

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 3085 9024 3089 9022 3089 8999 3074 9006
      3080 9022
TIME...MOT...LOC 1950Z 281DEG 22KT 3085 9019 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

CAB

998 
WWUS54 KLIX 061959
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
159 PM CST Mon Dec 6 2021

LAC117-062030-
/O.CON.KLIX.TO.W.0072.000000T0000Z-211206T2030Z/
Washington LA-
159 PM CST Mon Dec 6 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 PM CST FOR CENTRAL
WASHINGTON PARISH...
    
At 159 PM CST, a severe thunderstorm capable of producing a tornado
was located over Franklinton, moving east at 25 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 tornadic thunderstorm will remain over mainly rural areas of
central Washington Parish.

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 3085 9018 3087 9014 3089 8999 3074 9006
      3082 9019
TIME...MOT...LOC 1959Z 281DEG 22KT 3084 9013 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

CAB

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 6, 11:08 AM CST	Special Weather Statement	LIX	East Feliciana	67 min
Dec 6, 12:01 PM CST	Special Weather Statement	LIX	Saint Helena	74 min
Dec 6, 12:21 PM CST	Severe Thunderstorm Warning	LIX	East Feliciana, Saint Helena	54 min
Dec 6, 12:46 PM CST	Severe Thunderstorm Warning	LIX	Tangipahoa, Washington	59 min
Dec 6, 1:29 PM CST	Severe Thunderstorm Warning	LIX	Saint Helena, Tangipahoa, Washington	61 min
Dec 6, 1:40 PM CST	Special Weather Statement	LIX	Saint Helena	65 min
Dec 6, 1:44 PM CST	Severe Thunderstorm Warning	LIX	Livingston, Saint Helena	61 min
Dec 6, 1:54 PM CST	Severe Thunderstorm Warning	LIX	Saint Helena, Tangipahoa	66 min
Dec 6, 2:21 PM CST	Severe Thunderstorm Warning	LIX	Saint Tammany, Washington	39 min
Dec 6, 2:24 PM CST	Tornado Warning	LIX	Washington	21 min
Dec 6, 2:30 PM CST	Severe Thunderstorm Warning	LIX	Livingston, Saint Tammany, Tangipahoa	60 min
Dec 6, 2:35 PM CST	Tornado Warning	LIX	Saint Tammany, Washington	55 min
Dec 6, 2:41 PM CST	Special Marine Warning	LIX		64 min
Dec 6, 2:51 PM CST	Flash Flood Warning	LIX	Ascension, East Baton Rouge, West Baton Rouge	116 min
Dec 6, 2:51 PM CST	Tornado Warning	LIX	Saint Tammany	39 min
Dec 6, 2:56 PM CST	Tornado Warning	LIX	Saint Tammany	49 min
Dec 6, 3:09 PM CST	Severe Thunderstorm Warning Considerable damage threat	LIX	Saint Tammany	66 min
Dec 6, 3:20 PM CST	Tornado Warning	LIX	Saint Tammany	30 min
Dec 6, 3:26 PM CST	Special Marine Warning	LIX		64 min
Dec 6, 4:14 PM CST	Special Marine Warning	LIX		91 min
Dec 6, 5:24 PM CST	Special Marine Warning	LIX		66 min

Nearby

Tornado Warnings in Louisiana, 2021 Every tornado warning in 2021 Tornadoes 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.