Alert archive / Texas / Tornado Warnings in 2016

Tornado Warning 31, NWS Lake Charles, LA

December 3, 2016Jefferson County, Orange County, Texas; Cameron Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Dec 3, 2016, 10:59 AM CST for Jefferson County, Orange County, Texas; Cameron Parish, Louisiana. It was in force for 31 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
Dec 3, 2016, 10:59 AM CST (16:59 UTC)
Expired
Dec 3, 2016, 11:30 AM CST
In force
31 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Cameron Parish, LA, Jefferson County, TX, Orange County, TX

The radar

The Lake Charles radar (KLCH), 70 km from the middle of the area, began a volume at 17:00 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 nearest sounding before it

Shreveport, LA (KBAD), launched 12:00Z, 5.0 hours before the alert went out and 289 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, Shreveport, LA at 12:00Z on 2016-12-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Shreveport, LA at 12:00Z on 2016-12-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
507 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
257 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

869 
WFUS54 KLCH 031659
TORLCH
LAC023-TXC245-361-031730-
/O.NEW.KLCH.TO.W.0031.161203T1659Z-161203T1730Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1059 AM CST SAT DEC 3 2016

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN CAMERON PARISH IN SOUTHWESTERN LOUISIANA...
  SOUTHEASTERN ORANGE COUNTY IN SOUTHEASTERN TEXAS...
  EAST CENTRAL JEFFERSON COUNTY IN SOUTHEASTERN TEXAS...

* UNTIL 1130 AM CST
    
* AT 1058 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER PORT ARTHUR...MOVING NORTHEAST AT 30 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...
  GROVES AND PORT NECHES AROUND 1110 AM CST. 
  BRIDGE CITY AROUND 1120 AM CST. 
  ORANGEFIELD AROUND 1125 AM CST. 
  WEST ORANGE AROUND 1130 AM CST. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO 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 2990 9409 3014 9380 2992 9364 2985 9379
      2997 9376 3000 9379 2998 9383 2999 9386
      2997 9384 2986 9393 2981 9388 2985 9394
      2983 9395 2982 9392 2981 9395 2980 9394
      2981 9393 2978 9394 2976 9398
TIME...MOT...LOC 1658Z 233DEG 26KT 2988 9396 

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

$$

MM
1 follow-up statement
572 
WWUS54 KLCH 031713
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1113 AM CST SAT DEC 3 2016

LAC023-TXC245-361-031730-
/O.CON.KLCH.TO.W.0031.000000T0000Z-161203T1730Z/
CAMERON LA-ORANGE TX-JEFFERSON TX-
1113 AM CST SAT DEC 3 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 AM CST FOR
NORTHWESTERN CAMERON PARISH...SOUTHEASTERN ORANGE AND EAST CENTRAL
JEFFERSON COUNTIES...
    
AT 1113 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR GROVES...MOVING NORTHEAST AT 30 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...
  BRIDGE CITY AROUND 1120 AM CST. 
  ORANGEFIELD AROUND 1125 AM CST. 
  WEST ORANGE AROUND 1130 AM CST. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO 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 2988 9391 2997 9399 3013 9380 2993 9365
      2986 9379 2997 9376 3000 9379 2998 9383
      2999 9386 2997 9384
TIME...MOT...LOC 1713Z 233DEG 26KT 2995 9386 

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

$$

MM

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 3, 3:22 AM CSTFlash Flood WatchLCHHardin, Jasper, Newton, Tyler60 hr
Dec 3, 7:18 AM CSTAreal Flood AdvisoryLCHJefferson4 hr
Dec 3, 10:36 AM CSTTornado WarningLCHJefferson, Orange24 min
Dec 3, 12:06 PM CSTAreal Flood AdvisoryLCHHardin, Jasper, Jefferson, Newton, Orange114 min
Dec 3, 1:36 PM CSTRiver Flood WarningLCHJefferson, Orange24 hr
Dec 3, 2:04 PM CSTAreal Flood AdvisoryLCHHardin, Jasper, Jefferson, Newton, Orange116 min
Dec 3, 3:58 PM CSTAreal Flood AdvisoryLCHHardin, Jasper, Jefferson, Newton, Orange2 hr
Dec 3, 1:30 AM CSTSpecial Marine WarningLCH2 hr
Dec 3, 2:48 AM CSTSpecial Marine WarningLCH42 min
Dec 3, 3:30 AM CSTSpecial Marine WarningLCH2 hr
Dec 3, 5:22 AM CSTSpecial Marine WarningLCH83 min
Dec 3, 6:48 AM CSTSpecial Marine WarningLCH87 min
Dec 3, 8:50 AM CSTRiver Flood WarningLCHRapides11 days
Dec 3, 8:50 AM CSTRiver Flood WarningLCHCalcasieu6 days
Dec 3, 9:26 AM CSTSmall Craft AdvisoryLCH6 hr
Dec 3, 10:51 AM CSTSpecial Marine WarningLCH39 min
Dec 3, 2:13 PM CSTAreal Flood AdvisoryLCHCalcasieu2 hr
Dec 3, 3:48 PM CSTAreal Flood AdvisoryLCHCalcasieu117 min
Dec 3, 4:56 PM CSTAreal Flood AdvisoryLCHAllen, Beauregard, Calcasieu, Cameron, Jefferson Davis2 hr

Nearby

Tornado Warnings in Texas, 2016Tornado 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.