Alert archive / Louisiana / Tornado Warnings in 2016

Tornado Warning 9, NWS New Orleans, LA

January 21, 2016Tangipahoa Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Jan 21, 2016, 5:56 PM CST for Tangipahoa Parish, Louisiana. It was in force for 34 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
Jan 21, 2016, 5:56 PM CST (23:56 UTC)
Expired
Jan 21, 2016, 6:30 PM CST
In force
34 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
Jan 21, 6:00 PM CSTTORNADO3 S Kentwood, LAA WEAK TORNADO TOUCHED DOWN JUST NORTHWEST OF THE COMMUNITY OF TANGIPAHOA. APPROXIMATELY A DOZEN LARGE HARDWOOD TREES..MAINLY OAKS...WERE UPROOTED OR TRUNKS SNAPPED. PATH LENGTH WAS APPOXIMATELY 0.20 MILES. PATH WIDTH 50 YARDS. ENHANCED FUJITA SCALE RATING OF
Jan 21, 6:03 PM CSTHAIL 14 Se Kentwood, LAQUARTER SIZE HAIL REPORTED 4 MILES SOUTHEAST OF KENTWOOD. REPORT RELAYED BY BROADCAST MEDIA.

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
Jan 21, 2:14 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.9 hours before the alert went out and 102 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 2016-01-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 208 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 2016-01-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 square meters per square second.1939587897117Sfc1 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
208 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
600 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted.

887 
WFUS54 KLIX 212356
TORLIX
LAC105-220030-
/O.NEW.KLIX.TO.W.0009.160121T2356Z-160122T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
556 PM CST THU JAN 21 2016

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

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

* UNTIL 630 PM CST
    
* AT 556 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER KENTWOOD...OR 9 MILES NORTHEAST OF
  GREENSBURG...MOVING EAST AT 45 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...

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 3100 9035 3091 9035 3090 9034 3088 9034
      3087 9057 3096 9057
TIME...MOT...LOC 2356Z 260DEG 40KT 3091 9054 

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

$$

CAB

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 4:56 AM CSTDense Fog AdvisoryLIXSaint Bernard, Saint John the Baptist4 hr
Jan 21, 5:10 AM CSTMarine Dense Fog AdvisoryLIX4 hr
Jan 21, 9:47 AM CSTGale WarningLIX47 hr
Jan 21, 11:36 AM CSTMarine Dense Fog AdvisoryLIX3 hr
Jan 21, 3:26 PM CSTSpecial Marine WarningLIX34 min
Jan 21, 3:28 PM CSTSpecial Marine WarningLIX2 hr
Jan 21, 4:06 PM CSTSpecial Marine WarningLIX24 min
Jan 21, 4:09 PM CSTTornado WarningLIXIberville, Pointe Coupee, West Baton Rouge51 min
Jan 21, 4:18 PM CSTSevere Thunderstorm WarningLIXPointe Coupee, West Feliciana42 min
Jan 21, 4:22 PM CSTTornado WarningLIXPointe Coupee, West Feliciana38 min
Jan 21, 4:38 PM CSTTornado WarningLIXPlaquemines37 min
Jan 21, 4:47 PM CSTTornado WarningLIXEast Baton Rouge, East Feliciana43 min
Jan 21, 4:54 PM CSTSevere Thunderstorm WarningLIXEast Feliciana, West Feliciana51 min
Jan 21, 5:17 PM CSTSevere Thunderstorm WarningLIXIberville, Pointe Coupee, West Baton Rouge28 min
Jan 21, 5:19 PM CSTSpecial Marine WarningLIX56 min
Jan 21, 5:25 PM CSTTornado WarningLIXLivingston, Saint Helena, Tangipahoa35 min
Jan 21, 5:29 PM CSTSevere Thunderstorm WarningLIXEast Baton Rouge, Livingston, West Baton Rouge46 min
Jan 21, 5:33 PM CSTSpecial Marine WarningLIX27 min
Jan 21, 5:43 PM CSTSevere Thunderstorm WarningLIXSaint Helena, Tangipahoa62 min
Jan 21, 5:44 PM CSTSpecial Marine WarningLIX31 min
Jan 21, 5:52 PM CSTTornado WarningLIXTangipahoa, Washington23 min
Jan 21, 5:54 PM CSTSevere Thunderstorm WarningLIXLivingston, Saint Helena51 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.