Alert archive / Louisiana / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 13, NWS New Orleans, LA

February 15, 2016Pointe Coupee Parish, West Feliciana Parish, Louisiana; Wilkinson County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Feb 15, 2016, 10:31 AM CST for Pointe Coupee Parish, West Feliciana Parish, Louisiana; Wilkinson County, Mississippi. It was in force for 44 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
Feb 15, 2016, 10:31 AM CST (16:31 UTC)
Expired
Feb 15, 2016, 11:15 AM CST
In force
44 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Pointe Coupee Parish, LA, West Feliciana Parish, LA, Wilkinson County, MS

The radar

The Ft Polk radar (KPOE), 125 km from the middle of the area, began a volume at 16:30 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

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

IssuedProductOfficeLasted
Feb 15, 9:30 AM CSTTornado WatchSPC8 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 4.5 hours before the alert went out and 173 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, Lake Charles Mun, LA at 12:00Z on 2016-02-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1013 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, Lake Charles Mun, LA at 12:00Z on 2016-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 207 square meters per square second.19395878Sfc1 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
1013 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
765 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
207 m²/s²
0-3 km storm-relative helicity
283 m²/s²
Significant tornado parameter
1.1
Supercell composite
8.5

Open this sounding in Storm Lab

The text

As transmitted.

084 
WUUS54 KLIX 151631
SVRLIX
LAC077-125-MSC157-151715-
/O.NEW.KLIX.SV.W.0013.160215T1631Z-160215T1715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1031 AM CST MON FEB 15 2016

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN WEST FELICIANA PARISH IN SOUTHEASTERN LOUISIANA...
  NORTHWESTERN POINTE COUPEE PARISH IN SOUTHEASTERN LOUISIANA...
  SOUTHWESTERN WILKINSON COUNTY IN SOUTHERN MISSISSIPPI...

* UNTIL 1115 AM CST

* AT 1029 AM CST...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  SIMMESPORT...MOVING EAST AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  BATCHELOR...LETTSWORTH AND FORT ADAMS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH A TORNADO IS NOT
IMMEDIATELY LIKELY...IF ONE IS SPOTTED...ACT QUICKLY AND MOVE TO A
PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR
SMALL INTERIOR ROOM.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CST FOR SOUTHEASTERN
LOUISIANA AND SOUTHERN MISSISSIPPI.

LAT...LON 3087 9180 3098 9180 3099 9178 3101 9177
      3104 9172 3104 9166 3102 9164 3097 9166
      3100 9164 3102 9159 3104 9156 3107 9156
      3111 9162 3115 9146 3074 9146 3082 9181
      3084 9180 3086 9182
TIME...MOT...LOC 1629Z 273DEG 25KT 3094 9186 

HAIL...1.00IN
WIND...60MPH
 
$$
MJH
1 follow-up statement
359 
WWUS54 KLIX 151652
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1052 AM CST MON FEB 15 2016

LAC077-125-MSC157-151715-
/O.CON.KLIX.SV.W.0013.000000T0000Z-160215T1715Z/
WEST FELICIANA LA-POINTE COUPEE LA-WILKINSON MS-
1052 AM CST MON FEB 15 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 AM CST
FOR NORTHWESTERN WEST FELICIANA...NORTHWESTERN POINTE COUPEE PARISHES
IN SOUTHEASTERN LOUISIANA AND SOUTHWESTERN WILKINSON COUNTIES...

AT 1051 AM CST...A SEVERE THUNDERSTORM WAS LOCATED OVER LETTSWORTH...
OR 8 MILES SOUTHEAST OF SIMMESPORT...MOVING EAST AT 30 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
BATCHELOR...LETTSWORTH AND FORT ADAMS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH A TORNADO IS NOT
IMMEDIATELY LIKELY...IF ONE IS SPOTTED...ACT QUICKLY AND MOVE TO A
PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR
SMALL INTERIOR ROOM.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CST FOR SOUTHEASTERN
LOUISIANA AND SOUTHERN MISSISSIPPI.

LAT...LON 3087 9180 3098 9180 3099 9178 3101 9177
      3104 9172 3104 9166 3102 9164 3097 9166
      3100 9164 3102 9159 3104 9156 3107 9156
      3111 9162 3115 9146 3082 9146 3082 9181
      3084 9180 3086 9182
TIME...MOT...LOC 1651Z 273DEG 25KT 3093 9168 

HAIL...1.00IN
WIND...60MPH
 
$$

MJH

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 5:35 AM CSTSpecial Weather StatementLIXWashington55 min
Feb 15, 6:26 AM CSTSpecial Weather StatementLIXWashington34 min
Feb 15, 10:47 AM CSTSmall Craft AdvisoryLIX7 hr
Feb 15, 11:05 AM CSTSevere Thunderstorm WarningLIXEast Feliciana, Pointe Coupee, West Feliciana40 min
Feb 15, 11:31 AM CSTSevere Thunderstorm WarningLIXEast Feliciana, West Feliciana29 min
Feb 15, 11:44 AM CSTTornado WarningLIXEast Feliciana, West Feliciana31 min
Feb 15, 11:46 AM CSTSpecial Marine WarningLIX59 min
Feb 15, 12:01 PM CSTSpecial Weather StatementLIXIberville, Pointe Coupee, West Baton Rouge, West Feliciana29 min
Feb 15, 12:06 PM CSTTornado WarningLIXEast Baton Rouge, East Feliciana, Pointe Coupee, West Feliciana24 min
Feb 15, 12:13 PM CSTTornado WarningLIXEast Feliciana, Saint Helena, Tangipahoa32 min
Feb 15, 12:27 PM CSTSevere Thunderstorm WarningLIXEast Baton Rouge, East Feliciana, Pointe Coupee, West Feliciana33 min
Feb 15, 12:31 PM CSTSpecial Weather StatementLIXOrleans29 min
Feb 15, 12:38 PM CSTSpecial Marine WarningLIX67 min
Feb 15, 12:42 PM CSTSevere Thunderstorm WarningLIXSaint Helena, Tangipahoa, Washington48 min
Feb 15, 12:50 PM CSTSpecial Weather StatementLIXSaint Tammany25 min
Feb 15, 12:54 PM CSTSpecial Weather StatementLIXSaint Charles36 min
Feb 15, 1:50 PM CSTSpecial Weather StatementLIXTangipahoa25 min
Feb 15, 1:54 PM CSTSpecial Weather StatementLIXWest Baton Rouge36 min
Feb 15, 1:55 PM CSTSpecial Weather StatementLIXSaint Bernard35 min
Feb 15, 2:09 PM CSTSpecial Weather StatementLIXWashington36 min
Feb 15, 2:21 PM CSTSevere Thunderstorm WarningLIXEast Baton Rouge, East Feliciana, Livingston24 min
Feb 15, 2:24 PM CSTSpecial Weather StatementLIXTangipahoa36 min
Feb 15, 2:33 PM CSTSpecial Weather StatementLIXSaint Tammany27 min
Feb 15, 2:44 PM CSTSevere Thunderstorm WarningLIXAscension, East Baton Rouge, Iberville, Livingston, West Baton Rouge31 min
Feb 15, 2:53 PM CSTSpecial Weather StatementLIXLivingston37 min
Feb 15, 2:56 PM CSTSpecial Weather StatementLIXSaint Tammany34 min
Feb 15, 3:23 PM CSTSpecial Marine WarningLIX37 min
Feb 15, 3:24 PM CSTSpecial Weather StatementLIXLivingston51 min
Feb 15, 3:31 PM CSTSpecial Weather StatementLIXAscension44 min
Feb 15, 3:39 PM CSTSpecial Marine WarningLIX36 min
Feb 15, 3:43 PM CSTSpecial Marine WarningLIX62 min
Feb 15, 3:47 PM CSTSpecial Weather StatementLIXPlaquemines28 min
Feb 15, 3:53 PM CSTSpecial Marine WarningLIX67 min
Feb 15, 4:11 PM CSTSpecial Weather StatementLIXAssumption, Saint James34 min
Feb 15, 4:14 PM CSTSpecial Marine WarningLIX61 min
Feb 15, 4:30 PM CSTSpecial Marine WarningLIX60 min
Feb 15, 4:40 PM CSTSpecial Marine WarningLIX65 min
Feb 15, 4:55 PM CSTSpecial Weather StatementLIXSaint Charles65 min
Feb 15, 5:06 PM CSTSpecial Weather StatementLIXJefferson24 min
Feb 15, 5:29 PM CSTSpecial Marine WarningLIX91 min
Feb 15, 11:24 AM CSTSpecial Weather StatementLIXPearl River51 min
Feb 15, 12:00 PM CSTSevere Thunderstorm WarningLIXJackson14 min
Feb 15, 12:03 PM CSTSpecial Weather StatementLIXJackson42 min
Feb 15, 12:50 PM CSTTornado WarningLIXPike25 min
Feb 15, 1:04 PM CSTSpecial Weather StatementLIXHancock26 min
Feb 15, 1:19 PM CSTTornado WarningLIXWalthall26 min
Feb 15, 1:25 PM CSTSpecial Weather StatementLIXHancock50 min
Feb 15, 1:37 PM CSTSpecial Weather StatementLIXJackson23 min
Feb 15, 1:43 PM CSTSevere Thunderstorm WarningLIXHancock, Harrison32 min
Feb 15, 2:06 PM CSTSpecial Weather StatementLIXPike, Walthall24 min
Feb 15, 2:14 PM CSTSpecial Weather StatementLIXHarrison46 min
Feb 15, 2:47 PM CSTSevere Thunderstorm WarningLIXHarrison, Jackson28 min
Feb 15, 2:58 PM CSTSpecial Weather StatementLIXHancock32 min
Feb 15, 3:26 PM CSTSevere Thunderstorm WarningLIXHarrison34 min
Feb 15, 3:27 PM CSTSpecial Weather StatementLIXHancock33 min
Feb 15, 4:04 PM CSTSpecial Weather StatementLIXHarrison, Jackson26 min
Feb 15, 4:26 PM CSTSpecial Weather StatementLIXJackson34 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2016Severe Thunderstorm Warnings in Mississippi, 2016Every severe thunderstorm warning 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; radar from the NEXRAD Level II archive.