Alert archive / Louisiana / Tornado Warnings in 2016

Tornado Warning 20, NWS New Orleans, LA

February 23, 2016Ascension Parish, East Baton Rouge Parish, Iberville Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Feb 23, 2016, 11:45 AM CST for Ascension Parish, East Baton Rouge Parish, Iberville Parish, Louisiana. It was in force for 30 min. 4 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
Feb 23, 2016, 11:45 AM CST (17:45 UTC)
Expired
Feb 23, 2016, 12:15 PM CST
In force
30 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Ascension Parish, LA, East Baton Rouge Parish, LA, Iberville Parish, LA

What was reported inside it

TimeReportWhereRemark
Feb 23, 12:05 PM CSTTORNADO 0Prairieville, LAPRELIMINARY REPORTS OF DAMAGE CONSISTENT WITH 80 MPH WIND GUSTS. MORE DETAILS WILL BE PROVIDED AT THE CONCLUSION OF THE SURVEY.
Feb 23, 12:05 PM CSTTORNADOPrairieville, LASIGNIFICANT DAMAGE TO GOLDS GYM IN PRAIRIEVILLE.
Feb 23, 12:10 PM CSTTORNADO1 Sw Prairieville, LATRAINED SPOTTER REPORTED TORNADO CROSSED I-10 NEAR EXIT 171.
Feb 23, 12:17 PM CSTTORNADO3 N Prairieville, LATORNADO CROSSED HOO SHOO TOO ROAD EAST OF SOUTH TIGER BEND ROAD.

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.

IssuedProductOfficeLasted
Feb 23, 11:08 AM CSTTornado WatchSPC7 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 5.8 hours before the alert went out and 127 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 12:00Z on 2016-02-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 42 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 12:00Z on 2016-02-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 square meters per square second.1939587897Sfc1 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
42 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
667 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

172 
WFUS54 KLIX 231745
TORLIX
LAC005-033-047-231815-
/O.NEW.KLIX.TO.W.0020.160223T1745Z-160223T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1145 AM CST TUE FEB 23 2016

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL IBERVILLE PARISH IN SOUTHEASTERN LOUISIANA...
  SOUTH CENTRAL EAST BATON ROUGE PARISH IN SOUTHEASTERN LOUISIANA...
  NORTHWESTERN ASCENSION PARISH IN SOUTHEASTERN LOUISIANA...

* UNTIL 1215 PM CST
    
* AT 1145 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER CARVILLE...OR 9 MILES WEST OF GONZALES...
  MOVING NORTHEAST AT 25 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. 

* LOCATIONS IMPACTED INCLUDE...
  ST. GABRIEL...PRAIRIEVILLE...CARVILLE...GEISMER...OLD JEFFERSON...
  VILLAGE ST. GEORGE AND SHENANDOAH.

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 3041 9104 3032 9083 3018 9106 3021 9113
TIME...MOT...LOC 1745Z 221DEG 23KT 3022 9108 

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

$$
1 follow-up statement
110 
WWUS54 KLIX 231800
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1200 PM CST TUE FEB 23 2016

LAC047-231810-
/O.CAN.KLIX.TO.W.0020.000000T0000Z-160223T1815Z/
IBERVILLE LA-
1200 PM CST TUE FEB 23 2016

...THE TORNADO WARNING FOR EAST CENTRAL 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 500 PM CST FOR SOUTHEASTERN
LOUISIANA.

LAT...LON 3032 9083 3023 9098 3026 9104 3039 9099
TIME...MOT...LOC 1800Z 221DEG 23KT 3029 9101 

$$

LAC005-033-231815-
/O.CON.KLIX.TO.W.0020.000000T0000Z-160223T1815Z/
EAST BATON ROUGE LA-ASCENSION LA-
1200 PM CST TUE FEB 23 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1215 PM CST FOR SOUTH
CENTRAL EAST BATON ROUGE AND NORTHWESTERN ASCENSION PARISHES...
    
AT 1200 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER PRAIRIEVILLE...OR NEAR OAK HILLS PLACE...MOVING
NORTHEAST AT 25 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. 

LOCATIONS IMPACTED INCLUDE...
PRAIRIEVILLE AND OLD JEFFERSON. 

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 3032 9083 3023 9098 3026 9104 3039 9099
TIME...MOT...LOC 1800Z 221DEG 23KT 3029 9101 

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 23, 10:33 AM CSTSpecial Marine WarningLIX57 min
Feb 23, 10:43 AM CSTTornado WarningLIXSaint Charles32 min
Feb 23, 11:11 AM CSTTornado WarningLIXSaint Charles, Saint John the Baptist19 min
Feb 23, 11:13 AM CSTTornado WarningLIXJefferson17 min
Feb 23, 11:16 AM CSTSpecial Marine WarningLIX59 min
Feb 23, 11:31 AM CSTSpecial Weather StatementLIXLafourche, Terrebonne44 min
Feb 23, 11:58 AM CSTTornado WarningLIXSaint Tammany32 min
Feb 23, 12:11 PM CSTTornado WarningLIXAscension, East Baton Rouge, Livingston34 min
Feb 23, 12:26 PM CSTTornado WarningLIXSaint Tammany34 min
Feb 23, 12:40 PM CSTTornado Warning Tornado observedLIXLivingston, Saint Helena, Tangipahoa35 min
Feb 23, 12:58 PM CSTSpecial Marine WarningLIX62 min
Feb 23, 12:59 PM CSTTornado WarningLIXSaint Tammany31 min
Feb 23, 1:03 PM CSTTornado WarningLIXAscension, Livingston, Saint James, Saint John the Baptist27 min
Feb 23, 1:11 PM CSTTornado WarningLIXSaint Helena, Tangipahoa34 min
Feb 23, 1:14 PM CSTSevere Thunderstorm WarningLIXAscension, Assumption, Iberville, Saint James46 min
Feb 23, 1:30 PM CSTSevere Thunderstorm WarningLIXAscension, Assumption, Iberville, Livingston, Saint James, Saint John the Baptist30 min
Feb 23, 1:51 PM CSTTornado WarningLIXWashington24 min
Feb 23, 1:58 PM CSTAreal Flood AdvisoryLIXAscension, Assumption, East Baton Rouge, Iberville, Livingston, Saint James4 hr
Feb 23, 2:24 PM CSTSpecial Marine WarningLIX51 min
Feb 23, 2:35 PM CSTSevere Thunderstorm WarningLIXAscension, Livingston, Saint James, Saint John the Baptist, Tangipahoa25 min
Feb 23, 2:46 PM CSTSpecial Weather StatementLIXTangipahoa, Washington44 min
Feb 23, 3:00 PM CSTSpecial Marine WarningLIX45 min
Feb 23, 3:03 PM CSTSevere Thunderstorm WarningLIXAscension, Assumption, Iberville, Lafourche, Saint James27 min
Feb 23, 3:06 PM CSTSpecial Marine WarningLIX24 min
Feb 23, 3:11 PM CSTTornado WarningLIXAscension, East Baton Rouge, Iberville18 min
Feb 23, 3:19 PM CSTSpecial Weather StatementLIXSaint Tammany41 min
Feb 23, 3:19 PM CSTTornado WarningLIXAscension, Assumption, Iberville, Saint James26 min
Feb 23, 3:27 PM CSTTornado WarningLIXPlaquemines48 min
Feb 23, 3:38 PM CSTSpecial Marine WarningLIX37 min
Feb 23, 3:38 PM CSTTornado Warning Tornado observedConsiderable damage threatLIXAscension, Livingston, Saint James, Saint John the Baptist37 min
Feb 23, 3:42 PM CSTSevere Thunderstorm WarningLIXSaint Tammany, Washington33 min
Feb 23, 3:44 PM CSTSpecial Marine WarningLIX61 min
Feb 23, 3:48 PM CSTSpecial Marine WarningLIX57 min
Feb 23, 4:01 PM CSTTornado WarningLIXSaint John the Baptist, Saint Tammany, Tangipahoa29 min
Feb 23, 4:04 PM CSTSpecial Marine WarningLIX41 min
Feb 23, 4:27 PM CSTTornado WarningLIXSaint Tammany, Tangipahoa33 min
Feb 23, 4:34 PM CSTTornado WarningLIXSaint John the Baptist26 min
Feb 23, 4:37 PM CSTSpecial Marine WarningLIX38 min
Feb 23, 4:42 PM CSTSpecial Marine WarningLIX48 min
Feb 23, 4:44 PM CSTSpecial Marine WarningLIX46 min
Feb 23, 4:48 PM CSTTornado WarningLIXSaint Tammany27 min
Feb 23, 5:09 PM CSTTornado WarningLIXSaint Tammany36 min
Feb 23, 5:13 PM CSTSevere Thunderstorm WarningLIXSaint Tammany, Washington47 min
Feb 23, 5:42 PM CSTTornado WarningLIXSaint Tammany33 min
Feb 23, 5:54 PM CSTSpecial Marine WarningLIX66 min

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