Alert archive / Louisiana / Tornado Warnings in 2016

Tornado Warning 50, NWS New Orleans, LA

March 31, 2016Tangipahoa Parish, Washington Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Mar 31, 2016, 6:23 AM CDT for Tangipahoa Parish, Washington Parish, Louisiana. It was in force for 37 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
Mar 31, 2016, 6:23 AM CDT (11:23 UTC)
Expired
Mar 31, 2016, 7:00 AM CDT
In force
37 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Tangipahoa Parish, LA, Washington Parish, LA

The watch it was issued in

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

IssuedProductOfficeLasted
Mar 31, 3:20 AM CDTTornado WatchSPC6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 11.4 hours before the alert went out and 84 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-pSkew-T log-p diagram, Slidell Radar S, LA at 00:00Z on 2016-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 401 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 2016-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 270 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
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
401 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
689 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
270 m²/s²
0-3 km storm-relative helicity
356 m²/s²
Significant tornado parameter
0.5
Supercell composite
5.6

Open this sounding in Storm Lab

The text

As transmitted.

791 
WFUS54 KLIX 311123
TORLIX
LAC105-117-311200-
/O.NEW.KLIX.TO.W.0050.160331T1123Z-160331T1200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
623 AM CDT THU MAR 31 2016

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN WASHINGTON PARISH IN SOUTHEASTERN LOUISIANA...
  NORTHEASTERN TANGIPAHOA PARISH IN SOUTHEASTERN LOUISIANA...

* UNTIL 700 AM CDT
    
* AT 623 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED NEAR WILMER...OR 12 MILES WEST OF FRANKLINTON...MOVING
  EAST AT 35 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...
  FRANKLINTON AROUND 645 AM CDT. 

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 8994 3083 9040 3090 9040 3098 9022
      3100 9000
TIME...MOT...LOC 1123Z 251DEG 29KT 3087 9036 

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

$$

24/RR
2 follow-up statements
642 
WWUS54 KLIX 311138
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
638 AM CDT THU MAR 31 2016

LAC105-311147-
/O.CAN.KLIX.TO.W.0050.000000T0000Z-160331T1200Z/
TANGIPAHOA LA-
638 AM CDT THU MAR 31 2016

...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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM CDT FOR SOUTHEASTERN
LOUISIANA.

LAT...LON 3087 9027 3092 9028 3097 9021 3100 9000
      3086 8994
TIME...MOT...LOC 1137Z 250DEG 31KT 3091 9021 

$$

LAC117-311200-
/O.CON.KLIX.TO.W.0050.000000T0000Z-160331T1200Z/
WASHINGTON LA-
638 AM CDT THU MAR 31 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 AM CDT FOR
NORTHWESTERN WASHINGTON PARISH...
    
AT 637 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR MOUNT HERMAN...OR 8 MILES NORTHWEST OF
FRANKLINTON...MOVING EAST AT 35 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 TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTHWESTERN WASHINGTON PARISH.

LAT...LON 3087 9027 3092 9028 3097 9021 3100 9000
      3086 8994
TIME...MOT...LOC 1137Z 250DEG 31KT 3091 9021 

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

$$

24/RR
717 
WWUS54 KLIX 311157
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
657 AM CDT THU MAR 31 2016

LAC117-311206-
/O.EXP.KLIX.TO.W.0050.000000T0000Z-160331T1200Z/
WASHINGTON LA-
657 AM CDT THU MAR 31 2016

...THE TORNADO WARNING FOR NORTHWESTERN WASHINGTON PARISH WILL EXPIRE
AT 700 AM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND HAVE EXITED THE WARNED AREA. THEREFORE THE WARNING WILL
BE ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM CDT FOR SOUTHEASTERN
LOUISIANA.

LAT...LON 3087 9027 3092 9028 3097 9021 3100 9000
      3086 8994
TIME...MOT...LOC 1154Z 251DEG 29KT 3091 9021 

$$

24/RR

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 31, 2:05 AM CDTSpecial Weather StatementLIXEast Feliciana, Pointe Coupee, Saint Helena, West Feliciana55 min
Mar 31, 2:58 AM CDTSpecial Weather StatementLIXPointe Coupee, West Baton Rouge62 min
Mar 31, 4:32 AM CDTSpecial Weather StatementLIXWest Feliciana28 min
Mar 31, 4:55 AM CDTSpecial Weather StatementLIXEast Feliciana, Saint Helena35 min
Mar 31, 5:23 AM CDTTornado WarningLIXEast Baton Rouge, East Feliciana, Saint Helena37 min
Mar 31, 6:02 AM CDTTornado WarningLIXTangipahoa13 min
Mar 31, 6:16 AM CDTTornado Warning Tornado observedLIXTangipahoa, Washington11 min
Mar 31, 9:25 AM CDTRiver Flood WarningLIXTangipahoa4 days
Mar 31, 9:31 AM CDTRiver Flood WarningLIXSaint Tammany3 days
Mar 31, 11:18 AM CDTRiver Flood WarningLIXSaint Tammany4 days

Nearby

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