Alert archive / Louisiana / Tornado Warnings in 2016

Tornado Warning 48, NWS New Orleans, LA

March 31, 2016Tangipahoa Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Mar 31, 2016, 6:02 AM CDT for Tangipahoa Parish, Louisiana. It was in force for 13 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
Mar 31, 2016, 6:02 AM CDT (11:02 UTC)
Expired
Mar 31, 2016, 6:15 AM CDT
In force
13 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Tangipahoa Parish, LA

What was reported inside it

TimeReportWhereRemark
Mar 31, 6:05 AM CDTTORNADO 15 S Kentwood, LAA WEAK TORNADO TRACK STARTED ABOUT 5 MILES SOUHTWEST OF THE COMMUNITY OF TANGIPAHOA. THE TORNADO CROSSED INTERSTATE HIGHWAY 55 DOWNING OR SNAPPING SEVERAL DOZEN PINE TREES. TRAFFIC WAS STOPPED FOR A SHORT PERIOD TO CLEAR THE DEBRIS FROM THE ROADWAY. THE TORNAD
Mar 31, 6:14 AM CDTTSTM WND DMG1 Sw Tangipahoa, LATREES DOWNED AND DEBRIS BLOWN ACROSS INTERSTATE 55 NEAR MILE MARKER 56.

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
Mar 31, 3:20 AM CDTTornado WatchSPC6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 11.0 hours before the alert went out and 90 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.

739 
WFUS54 KLIX 311102
TORLIX
LAC105-311115-
/O.NEW.KLIX.TO.W.0048.160331T1102Z-160331T1115Z/

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

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN TANGIPAHOA PARISH IN SOUTHEASTERN LOUISIANA...

* UNTIL 615 AM CDT
    
* AT 601 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED NEAR ROSELAND...OR 7 MILES EAST OF GREENSBURG...MOVING
  EAST 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...
  WILMER AROUND 615 AM CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
TANGIPAHOA.

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.

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW!

&&

LAT...LON 3095 9035 3091 9035 3090 9033 3089 9033
      3089 9032 3087 9032 3084 9030 3081 9029
      3077 9026 3075 9027 3074 9026 3072 9026
      3074 9057 3093 9057
TIME...MOT...LOC 1101Z 267DEG 36KT 3084 9055 

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

$$

24/RR
2 follow-up statements
958 
WWUS54 KLIX 311109
SVSLIX

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

LAC105-311115-
/O.CON.KLIX.TO.W.0048.000000T0000Z-160331T1115Z/
TANGIPAHOA LA-
609 AM CDT THU MAR 31 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 AM CDT FOR
NORTHWESTERN TANGIPAHOA PARISH...
    
AT 608 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR KENTWOOD...OR 9 MILES NORTH OF AMITE...MOVING
NORTHEAST AT 35 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
NORTHWESTERN TANGIPAHOA PARISH...INCLUDING THE FOLLOWING LOCATIONS:
TANGIPAHOA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW!

&&

LAT...LON 3083 9053 3093 9057 3095 9035 3091 9035
      3090 9033 3089 9032
TIME...MOT...LOC 1108Z 241DEG 32KT 3087 9050 

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

$$

24/RR
210 
WWUS54 KLIX 311125
SVSLIX

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

LAC105-311134-
/O.EXP.KLIX.TO.W.0048.000000T0000Z-160331T1115Z/
TANGIPAHOA LA-
625 AM CDT THU MAR 31 2016

...THE TORNADO WARNING FOR NORTHWESTERN TANGIPAHOA PARISH HAS
EXPIRED...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.

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

REMEMBER...A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT FOR
NORTHEASTERN TANGIPAHOA PARISH UNTIL 7 AM CDT. 

LAT...LON 3083 9053 3093 9057 3095 9035 3091 9035
      3090 9033 3089 9032
TIME...MOT...LOC 1122Z 267DEG 36KT 3087 9050 

$$

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, 6:16 AM CDTTornado Warning Tornado observedLIXTangipahoa, Washington11 min
Mar 31, 6:23 AM CDTTornado WarningLIXTangipahoa, Washington37 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.