Alert archive / Louisiana / Tornado Warnings in 2016

Tornado Warning 78, NWS New Orleans, LA

May 19, 2016Plaquemines Parish, Saint Bernard Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at May 19, 2016, 11:20 PM CDT for Plaquemines Parish, Saint Bernard Parish, Louisiana. It was in force for 25 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
May 19, 2016, 11:20 PM CDT (04:20 UTC)
Expired
May 19, 2016, 11:45 PM CDT
In force
25 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Plaquemines Parish, LA, Saint Bernard Parish, LA

The watch it was issued in

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

IssuedProductOfficeLasted
May 19, 8:10 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 4.3 hours before the alert went out and 64 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 2016-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°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 2016-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.1939Sfc1 km3 km6 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2145 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

942 
WFUS54 KLIX 200420
TORLIX
LAC075-087-200445-
/O.NEW.KLIX.TO.W.0078.160520T0420Z-160520T0445Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1120 PM CDT THU MAY 19 2016

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL ST. BERNARD PARISH IN SOUTHEASTERN LOUISIANA...
  NORTH CENTRAL PLAQUEMINES PARISH IN SOUTHEASTERN LOUISIANA...

* UNTIL 1145 PM CDT
    
* AT 1120 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 9 MILES NORTHEAST OF POINTE A LA HACHE...OR 13
  MILES NORTH OF PORT SULPHUR...MOVING NORTHEAST AT 45 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
  CENTRAL ST. BERNARD AND NORTH CENTRAL PLAQUEMINES 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 2957 8973 2974 8981 2995 8942 2974 8931
      2976 8937 2967 8940 2962 8957 2963 8960
      2961 8961
TIME...MOT...LOC 0420Z 245DEG 41KT 2969 8970 

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

$$

11

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 7:26 PM CDTSevere Thunderstorm WarningLIXEast Baton Rouge, Iberville, West Baton Rouge28 min
May 19, 8:37 PM CDTSevere Thunderstorm WarningLIXIberville, West Baton Rouge23 min
May 19, 8:51 PM CDTSpecial Marine WarningLIX84 min
May 19, 9:03 PM CDTSevere Thunderstorm WarningLIXIberville, Pointe Coupee, West Baton Rouge57 min
May 19, 9:11 PM CDTSevere Thunderstorm WarningLIXAssumption, Lafourche, Terrebonne64 min
May 19, 9:45 PM CDTTornado WarningLIXAssumption30 min
May 19, 9:50 PM CDTSevere Thunderstorm WarningLIXAscension, East Baton Rouge, East Feliciana, Iberville, Livingston, Pointe Coupee and 1 more55 min
May 19, 9:57 PM CDTTornado WarningLIXAscension, Assumption, Saint James33 min
May 19, 10:01 PM CDTSevere Thunderstorm WarningLIXAscension, Assumption, Lafourche, Saint Charles, Saint James, Saint John the Baptist and 1 more59 min
May 19, 10:12 PM CDTTornado WarningLIXEast Baton Rouge, Livingston33 min
May 19, 10:15 PM CDTSpecial Marine WarningLIX60 min
May 19, 10:22 PM CDTSevere Thunderstorm WarningLIXAscension, East Baton Rouge, East Feliciana, Livingston, Saint Helena, Saint John the Baptist and 1 more53 min
May 19, 10:24 PM CDTSpecial Marine WarningLIX66 min
May 19, 10:32 PM CDTTornado WarningLIXSaint John the Baptist13 min
May 19, 10:35 PM CDTSevere Thunderstorm WarningLIXJefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 1 more25 min
May 19, 10:49 PM CDTSevere Thunderstorm WarningLIXSaint Tammany, Tangipahoa56 min
May 19, 10:57 PM CDTTornado WarningLIXSaint Tammany18 min
May 19, 11:01 PM CDTTornado WarningLIXPlaquemines, Saint Bernard29 min
May 19, 11:06 PM CDTSpecial Marine WarningLIX54 min
May 19, 11:11 PM CDTSevere Thunderstorm WarningLIXJefferson, Lafourche, Orleans, Plaquemines, Saint Bernard34 min
May 19, 11:18 PM CDTSevere Thunderstorm WarningLIXWashington42 min
May 19, 11:26 PM CDTSpecial Marine WarningLIX94 min
May 19, 11:31 PM CDTSpecial Marine WarningLIX44 min
May 19, 11:58 PM CDTSpecial Marine WarningLIX32 min
May 20, 12:25 AM CDTSpecial Marine WarningLIX65 min
May 20, 12:56 AM CDTSpecial Marine WarningLIX64 min
May 20, 1:04 AM CDTSpecial Marine WarningLIX56 min
May 20, 1:50 AM CDTSpecial Marine WarningLIX85 min
May 20, 4:59 AM CDTSpecial Marine WarningLIX61 min
May 20, 5:25 AM CDTSpecial Marine WarningLIX35 min
May 20, 5:51 AM CDTSpecial Marine WarningLIX54 min
May 20, 5:59 AM CDTSpecial Weather StatementLIXJefferson46 min
May 20, 6:31 AM CDTSpecial Marine WarningLIX59 min
May 20, 6:33 AM CDTSpecial Marine WarningLIX27 min
May 20, 6:37 AM CDTSpecial Marine WarningLIX53 min
May 20, 6:58 AM CDTSpecial Marine WarningLIX32 min
May 20, 7:04 AM CDTSpecial Marine WarningLIX26 min
May 20, 7:05 AM CDTSpecial Marine WarningLIX25 min
May 20, 7:21 AM CDTSpecial Marine WarningLIX54 min
May 20, 7:25 AM CDTSpecial Marine WarningLIX65 min
May 20, 7:29 AM CDTSpecial Marine WarningLIX61 min
May 20, 7:30 AM CDTSpecial Marine WarningLIX60 min
May 20, 7:31 AM CDTSpecial Marine WarningLIX59 min
May 20, 7:32 AM CDTSpecial Marine WarningLIX58 min
May 20, 7:33 AM CDTSpecial Marine WarningLIX57 min
May 20, 8:33 AM CDTSpecial Marine WarningLIX117 min
May 20, 8:34 AM CDTSpecial Marine WarningLIX56 min
May 20, 8:40 AM CDTSpecial Marine WarningLIX35 min
May 20, 10:29 AM CDTSpecial Marine WarningLIX2 hr
May 20, 10:34 AM CDTSmall Craft AdvisoryLIX4 hr

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.