Alert archive / Louisiana / Tornado Warnings in 2016

Tornado Warning 2, NWS New Orleans, LA

January 21, 2016Iberville Parish, Pointe Coupee Parish, West Baton Rouge Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Jan 21, 2016, 4:09 PM CST for Iberville Parish, Pointe Coupee Parish, West Baton Rouge Parish, Louisiana. It was in force for 51 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: Jan 21, 2016, 4:09 PM CST (22:09 UTC)
Expired: Jan 21, 2016, 5:00 PM CST
In force: 51 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Iberville Parish, LA, Pointe Coupee Parish, LA, West Baton Rouge 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
Jan 21, 2:14 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.2 hours before the alert went out and 168 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: 208 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 600 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 146 m²/s²
0-3 km storm-relative helicity: 184 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

As transmitted.

812 
WFUS54 KLIX 212209
TORLIX
LAC047-077-121-212300-
/O.NEW.KLIX.TO.W.0002.160121T2209Z-160121T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
409 PM CST THU JAN 21 2016

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  WEST BATON ROUGE PARISH IN SOUTHEASTERN LOUISIANA...
  SOUTHEASTERN POINTE COUPEE PARISH IN SOUTHEASTERN LOUISIANA...
  NORTHWESTERN IBERVILLE PARISH IN SOUTHEASTERN LOUISIANA...

* UNTIL 500 PM CST
    
* AT 409 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR RAMAH...OR 11 MILES SOUTHEAST OF KROTZ
  SPRINGS...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...
  RAMAH AROUND 415 PM CST.
  MARINGOUIN...ROSEDALE AND GROSSE TETE AROUND 420 PM CST.
  LIVONIA AROUND 425 PM CST.
  ERWINVILLE AROUND 430 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 3075 9139 3060 9131 3058 9132 3057 9129
      3053 9127 3051 9129 3050 9128 3051 9125
      3041 9120 3032 9162 3035 9163 3037 9164
      3039 9162 3044 9164 3049 9170
TIME...MOT...LOC 2209Z 234DEG 33KT 3043 9160 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

CAB

1 follow-up statement

676 
WWUS54 KLIX 212228
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
428 PM CST THU JAN 21 2016

LAC047-212237-
/O.CAN.KLIX.TO.W.0002.000000T0000Z-160121T2300Z/
IBERVILLE LA-
428 PM CST THU JAN 21 2016

...THE TORNADO WARNING FOR NORTHWESTERN IBERVILLE 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 1000 PM CST FOR SOUTHEASTERN
LOUISIANA.

LAT...LON 3056 9155 3075 9139 3060 9131 3058 9132
      3057 9129 3053 9127 3051 9129 3050 9128
      3051 9125 3045 9122 3044 9142
TIME...MOT...LOC 2227Z 234DEG 33KT 3053 9144 

$$

LAC077-121-212300-
/O.CON.KLIX.TO.W.0002.000000T0000Z-160121T2300Z/
WEST BATON ROUGE LA-POINTE COUPEE LA-
428 PM CST THU JAN 21 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CST FOR CENTRAL
WEST BATON ROUGE AND SOUTHEASTERN POINTE COUPEE PARISHES...
    
AT 427 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER ERWINVILLE...OR 11 MILES SOUTH OF NEW ROADS...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 TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
CENTRAL WEST BATON ROUGE AND SOUTHEASTERN POINTE COUPEE PARISHES.

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 3056 9155 3075 9139 3060 9131 3058 9132
      3057 9129 3053 9127 3051 9129 3050 9128
      3051 9125 3045 9122 3044 9142
TIME...MOT...LOC 2227Z 234DEG 33KT 3053 9144 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

CAB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 21, 4:56 AM CST	Dense Fog Advisory	LIX	Saint Bernard, Saint John the Baptist	4 hr
Jan 21, 5:10 AM CST	Marine Dense Fog Advisory	LIX		4 hr
Jan 21, 9:47 AM CST	Gale Warning	LIX		47 hr
Jan 21, 11:36 AM CST	Marine Dense Fog Advisory	LIX		3 hr
Jan 21, 3:26 PM CST	Special Marine Warning	LIX		34 min
Jan 21, 3:28 PM CST	Special Marine Warning	LIX		2 hr
Jan 21, 4:06 PM CST	Special Marine Warning	LIX		24 min
Jan 21, 4:18 PM CST	Severe Thunderstorm Warning	LIX	Pointe Coupee, West Feliciana	42 min
Jan 21, 4:22 PM CST	Tornado Warning	LIX	Pointe Coupee, West Feliciana	38 min
Jan 21, 4:38 PM CST	Tornado Warning	LIX	Plaquemines	37 min
Jan 21, 4:47 PM CST	Tornado Warning	LIX	East Baton Rouge, East Feliciana	43 min
Jan 21, 4:54 PM CST	Severe Thunderstorm Warning	LIX	East Feliciana, West Feliciana	51 min
Jan 21, 5:17 PM CST	Severe Thunderstorm Warning	LIX	Iberville, Pointe Coupee, West Baton Rouge	28 min
Jan 21, 5:19 PM CST	Special Marine Warning	LIX		56 min
Jan 21, 5:25 PM CST	Tornado Warning	LIX	Livingston, Saint Helena, Tangipahoa	35 min
Jan 21, 5:29 PM CST	Severe Thunderstorm Warning	LIX	East Baton Rouge, Livingston, West Baton Rouge	46 min
Jan 21, 5:33 PM CST	Special Marine Warning	LIX		27 min
Jan 21, 5:43 PM CST	Severe Thunderstorm Warning	LIX	Saint Helena, Tangipahoa	62 min
Jan 21, 5:44 PM CST	Special Marine Warning	LIX		31 min
Jan 21, 5:52 PM CST	Tornado Warning	LIX	Tangipahoa, Washington	23 min
Jan 21, 5:54 PM CST	Severe Thunderstorm Warning	LIX	Livingston, Saint Helena	51 min
Jan 21, 5:56 PM CST	Tornado Warning	LIX	Tangipahoa	34 min

Nearby

Tornado Warnings in Louisiana, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.