Alert archive / Louisiana / Tornado Warnings in 2016

Tornado Warning 73, NWS New Orleans, LA

May 19, 2016Ascension Parish, Assumption Parish, Saint James Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at May 19, 2016, 9:57 PM CDT for Ascension Parish, Assumption Parish, Saint James Parish, Louisiana. It was in force for 33 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 19, 2016, 9:57 PM CDT (02:57 UTC)
Expired: May 19, 2016, 10:30 PM CDT
In force: 33 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Ascension Parish, LA, Assumption Parish, LA, Saint James Parish, LA

What was reported inside it

Time	Report	Where	Remark
May 19, 10:03 PM CDT	TSTM WND DMG	Convent, LA	TREES REPORTED DOWN ON NUMEROUS ROADS/HIGHWAYS AROUND CONVENT AND VACHERIE IN ST. JAMES PARISH. HOUSE ROOF BLOWN OFF IN ST. JAMES. RV FLIPPED AND TWO OTHERS BLOWN OFF JACKS AT SUGAR HILL RV RESORT. TIME ESTIMATED FROM RADAR.
May 19, 10:03 PM CDT	TSTM WND DMG	Convent, LA	TREES REPORTED DOWN IN CONVENT AND VACHERIE IN ST. JAMES PARISH. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
May 19, 8:10 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 3.0 hours before the alert went out and 100 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: 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.

590 
WFUS54 KLIX 200257
TORLIX
LAC005-007-093-200330-
/O.NEW.KLIX.TO.W.0073.160520T0257Z-160520T0330Z/

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

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN ASSUMPTION PARISH IN SOUTHEASTERN LOUISIANA...
  ST. JAMES PARISH IN SOUTHEASTERN LOUISIANA...
  SOUTHEASTERN ASCENSION PARISH IN SOUTHEASTERN LOUISIANA...

* UNTIL 1030 PM CDT
    
* AT 956 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED OVER PAINCOURTVILLE...OR OVER NAPOLEONVILLE...MOVING
  NORTHEAST AT 55 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...
  DONALDSONVILLE AROUND 1005 PM CDT. 
  CONVENT AROUND 1010 PM CDT. 
  GRAMERCY...LUTCHER...WALLACE AND NORTH VACHERIE AROUND 1020 PM CDT. 
  GARYVILLE AROUND 1025 PM 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 3024 9075 3019 9072 3018 9070 3020 9067
      3021 9068 3023 9064 3021 9063 3010 9065
      3009 9067 3005 9066 3003 9069 3001 9068
      2989 9098 3004 9108
TIME...MOT...LOC 0256Z 240DEG 50KT 2997 9103 

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

$$

11

The office that day

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

Issued	Product	Office	Counties	Lasted
May 19, 7:26 PM CDT	Severe Thunderstorm Warning	LIX	East Baton Rouge, Iberville, West Baton Rouge	28 min
May 19, 8:37 PM CDT	Severe Thunderstorm Warning	LIX	Iberville, West Baton Rouge	23 min
May 19, 8:51 PM CDT	Special Marine Warning	LIX		84 min
May 19, 9:03 PM CDT	Severe Thunderstorm Warning	LIX	Iberville, Pointe Coupee, West Baton Rouge	57 min
May 19, 9:11 PM CDT	Severe Thunderstorm Warning	LIX	Assumption, Lafourche, Terrebonne	64 min
May 19, 9:45 PM CDT	Tornado Warning	LIX	Assumption	30 min
May 19, 9:50 PM CDT	Severe Thunderstorm Warning	LIX	Ascension, East Baton Rouge, East Feliciana, Iberville, Livingston, Pointe Coupee and 1 more	55 min
May 19, 10:01 PM CDT	Severe Thunderstorm Warning	LIX	Ascension, Assumption, Lafourche, Saint Charles, Saint James, Saint John the Baptist and 1 more	59 min
May 19, 10:12 PM CDT	Tornado Warning	LIX	East Baton Rouge, Livingston	33 min
May 19, 10:15 PM CDT	Special Marine Warning	LIX		60 min
May 19, 10:22 PM CDT	Severe Thunderstorm Warning	LIX	Ascension, East Baton Rouge, East Feliciana, Livingston, Saint Helena, Saint John the Baptist and 1 more	53 min
May 19, 10:24 PM CDT	Special Marine Warning	LIX		66 min
May 19, 10:32 PM CDT	Tornado Warning	LIX	Saint John the Baptist	13 min
May 19, 10:35 PM CDT	Severe Thunderstorm Warning	LIX	Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 1 more	25 min
May 19, 10:49 PM CDT	Severe Thunderstorm Warning	LIX	Saint Tammany, Tangipahoa	56 min
May 19, 10:57 PM CDT	Tornado Warning	LIX	Saint Tammany	18 min
May 19, 11:01 PM CDT	Tornado Warning	LIX	Plaquemines, Saint Bernard	29 min
May 19, 11:06 PM CDT	Special Marine Warning	LIX		54 min
May 19, 11:11 PM CDT	Severe Thunderstorm Warning	LIX	Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard	34 min
May 19, 11:18 PM CDT	Severe Thunderstorm Warning	LIX	Washington	42 min
May 19, 11:20 PM CDT	Tornado Warning	LIX	Plaquemines, Saint Bernard	25 min
May 19, 11:26 PM CDT	Special Marine Warning	LIX		94 min
May 19, 11:31 PM CDT	Special Marine Warning	LIX		44 min
May 19, 11:58 PM CDT	Special Marine Warning	LIX		32 min
May 20, 12:25 AM CDT	Special Marine Warning	LIX		65 min
May 20, 12:56 AM CDT	Special Marine Warning	LIX		64 min
May 20, 1:04 AM CDT	Special Marine Warning	LIX		56 min
May 20, 1:50 AM CDT	Special Marine Warning	LIX		85 min
May 20, 4:59 AM CDT	Special Marine Warning	LIX		61 min
May 20, 5:25 AM CDT	Special Marine Warning	LIX		35 min
May 20, 5:51 AM CDT	Special Marine Warning	LIX		54 min
May 20, 5:59 AM CDT	Special Weather Statement	LIX	Jefferson	46 min
May 20, 6:31 AM CDT	Special Marine Warning	LIX		59 min
May 20, 6:33 AM CDT	Special Marine Warning	LIX		27 min
May 20, 6:37 AM CDT	Special Marine Warning	LIX		53 min
May 20, 6:58 AM CDT	Special Marine Warning	LIX		32 min
May 20, 7:04 AM CDT	Special Marine Warning	LIX		26 min
May 20, 7:05 AM CDT	Special Marine Warning	LIX		25 min
May 20, 7:21 AM CDT	Special Marine Warning	LIX		54 min
May 20, 7:25 AM CDT	Special Marine Warning	LIX		65 min
May 20, 7:29 AM CDT	Special Marine Warning	LIX		61 min
May 20, 7:30 AM CDT	Special Marine Warning	LIX		60 min
May 20, 7:31 AM CDT	Special Marine Warning	LIX		59 min
May 20, 7:32 AM CDT	Special Marine Warning	LIX		58 min
May 20, 7:33 AM CDT	Special Marine Warning	LIX		57 min
May 20, 8:33 AM CDT	Special Marine Warning	LIX		117 min
May 20, 8:34 AM CDT	Special Marine Warning	LIX		56 min
May 20, 8:40 AM CDT	Special Marine Warning	LIX		35 min
May 20, 10:29 AM CDT	Special Marine Warning	LIX		2 hr
May 20, 10:34 AM CDT	Small Craft Advisory	LIX		4 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.