Alert archive / Louisiana / Tornado Warnings in 2013

Tornado Warning 2, NWS New Orleans, LA

January 10, 2013Ascension Parish, East Baton Rouge Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Jan 10, 2013, 7:50 AM CST for Ascension Parish, East Baton Rouge Parish, Louisiana. It was in force for 25 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
Jan 10, 2013, 7:50 AM CST (13:50 UTC)
Expired
Jan 10, 2013, 8:15 AM CST
In force
25 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon

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

The watch it was issued in

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

IssuedProductOfficeLasted
Jan 10, 4:31 AM CSTTornado WatchSPC6 hr
Jan 10, 6:14 AM CSTTornado WatchSPC11 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 1.8 hours before the alert went out and 118 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 2013-01-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 581 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 2013-01-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 313 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
581 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
442 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
313 m²/s²
0-3 km storm-relative helicity
334 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

615 
WFUS54 KLIX 101350
TORLIX
LAC005-033-101415-
/O.NEW.KLIX.TO.W.0002.130110T1350Z-130110T1415Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
750 AM CST THU JAN 10 2013

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  ASCENSION PARISH IN SOUTHEAST LOUISIANA...
  THIS INCLUDES THE CITY OF GONZALES...
  SOUTHEASTERN EAST BATON ROUGE PARISH IN SOUTHEAST LOUISIANA...

* UNTIL 815 AM CST

* AT 747 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR GEISMER...
  OR NEAR DONALDSONVILLE...MOVING NORTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GEISMER BY 800 AM CST...
  GONZALES BY 810 AM CST...
  PRAIRIEVILLE BY 815 AM CST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

PLEASE FOLLOW OUR OFFICE ON BOTH FACEBOOK AND TWITTER FOR MORE
INFORMATION ON SEVERE WEATHER AND TO RELAY WEATHER REPORTS AND
PHOTOS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 PM CST THURSDAY AFTERNOON
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.

&&

LAT...LON 3042 9098 3041 9096 3040 9097 3039 9095
      3036 9093 3034 9087 3032 9083 3029 9083
      3027 9081 3028 9079 3025 9078 3010 9101
      3013 9109 3015 9109
TIME...MOT...LOC 1350Z 220DEG 20KT 3015 9103

$$


24/RR
1 follow-up statement
975 
WWUS54 KLIX 101405
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
805 AM CST THU JAN 10 2013

LAC005-033-101415-
/O.CON.KLIX.TO.W.0002.000000T0000Z-130110T1415Z/
ASCENSION LA-EAST BATON ROUGE LA-
805 AM CST THU JAN 10 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 AM CST FOR
SOUTHEASTERN EAST BATON ROUGE AND NORTH CENTRAL ASCENSION PARISHES...

AT 803 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
STORM WAS LOCATED NEAR GEISMER...OR NEAR GONZALES...MOVING NORTHEAST
AT 25 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

THE SAFEST PLACE TO BE DURING A TORNADO IS UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

PLEASE FOLLOW OUR OFFICE ON BOTH FACEBOOK AND TWITTER FOR MORE
INFORMATION ON SEVERE WEATHER AND TO RELAY WEATHER REPORTS AND
PHOTOS.

&&

LAT...LON 3037 9100 3041 9097 3041 9096 3040 9097
      3039 9095 3036 9093 3032 9083 3029 9083
      3027 9081 3018 9090 3021 9106
TIME...MOT...LOC 1406Z 215DEG 21KT 3025 9097

$$


24/RR

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 9, 8:44 PM CSTRiver Flood WarningLIXSaint Helena47 hr
Jan 9, 9:07 PM CSTRiver Flood WarningLIXSaint Tammany5 days
Jan 9, 11:51 PM CSTFlash Flood WarningLIXIberville, Pointe Coupee, West Baton Rouge3 hr
Jan 10, 6:27 AM CSTRiver Flood WarningLIXWashington55 hr
Jan 10, 6:58 AM CSTAreal Flood AdvisoryLIXAscension, Assumption, East Baton Rouge, East Feliciana, Iberville, Lafourche and 9 more9 hr
Jan 10, 7:14 AM CSTSpecial Marine WarningLIX107 min
Jan 10, 7:46 AM CSTTornado WarningLIXEast Baton Rouge, Iberville29 min
Jan 10, 8:15 AM CSTTornado WarningLIXAscension, East Baton Rouge, Livingston30 min
Jan 10, 8:17 AM CSTFlash Flood WarningLIXAscension, Assumption, Iberville, Lafourche, Livingston, Saint James and 1 more5 hr
Jan 10, 8:45 AM CSTSpecial Marine WarningLIX2 hr
Jan 10, 8:54 AM CSTFlash Flood WarningLIXAssumption, Lafourche, Terrebonne4 hr
Jan 10, 9:00 AM CSTSpecial Marine WarningLIX106 min
Jan 10, 9:21 AM CSTSpecial Marine WarningLIX114 min
Jan 10, 9:30 AM CSTSevere Thunderstorm WarningLIXTerrebonne30 min
Jan 10, 9:35 AM CSTAreal Flood AdvisoryLIXLivingston, Saint Helena, Saint John the Baptist, Saint Tammany, Tangipahoa, Washington115 min
Jan 10, 9:40 AM CSTSevere Thunderstorm WarningLIXTangipahoa15 min
Jan 10, 10:00 AM CSTTornado WarningLIXLafourche, Terrebonne30 min
Jan 10, 10:09 AM CSTSevere Thunderstorm WarningLIXJefferson, Lafourche, Plaquemines66 min
Jan 10, 10:14 AM CSTSpecial Marine WarningLIX91 min
Jan 10, 10:32 AM CSTRiver Flood WarningLIXAscension, Livingston7 days
Jan 10, 10:50 AM CSTFlash Flood WarningLIXLafourche, Saint Charles, Saint John the Baptist115 min
Jan 10, 10:53 AM CSTSpecial Marine WarningLIX86 min
Jan 10, 10:59 AM CSTRiver Flood WarningLIXTangipahoa9 hr
Jan 10, 11:18 AM CSTTornado WarningLIXPlaquemines, Saint Bernard27 min
Jan 10, 11:23 AM CSTRiver Flood WarningLIXSaint Tammany23 hr
Jan 10, 11:35 AM CSTSpecial Marine WarningLIX55 min
Jan 10, 12:02 PM CSTAreal Flood AdvisoryLIXLivingston, Saint Helena, Saint John the Baptist, Saint Tammany, Tangipahoa, Washington4 hr
Jan 10, 12:06 PM CSTAreal Flood AdvisoryLIXJefferson, Lafourche, Livingston, Orleans, Plaquemines, Saint Bernard and 2 more4 hr
Jan 10, 12:11 PM CSTAreal Flood AdvisoryLIXJefferson, Lafourche, Plaquemines4 hr
Jan 10, 12:18 PM CSTSpecial Marine WarningLIX56 min
Jan 10, 1:13 PM CSTSpecial Marine WarningLIX92 min
Jan 10, 2:39 PM CSTRiver Flood WarningLIXLivingston6 days
Jan 10, 5:32 PM CSTRiver Flood WarningLIXAscension, Livingston8 days

Nearby

Tornado Warnings in Louisiana, 2013Every tornado warning in 2013Tornadoes in 2013

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.