Alert archive / Louisiana / Tornado Warnings in 2013

Tornado Warning 13, NWS New Orleans, LA

February 10, 2013Washington Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Feb 10, 2013, 2:22 PM CST for Washington Parish, Louisiana. It was in force for 8 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 10, 2013, 2:22 PM CST (20:22 UTC)
Expired: Feb 10, 2013, 2:30 PM CST
In force: 8 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon

County Washington Parish, LA

The watch it was issued in

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

Issued	Product	Office	Lasted
Feb 10, 11:10 AM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.4 hours before the alert went out and 81 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 66 J/kg
Mixed-layer CIN: -189 J/kg
Mixed-layer LCL: 522 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 526 m²/s²
0-3 km storm-relative helicity: 760 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.2

Open this sounding in Storm Lab

The text

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

900 
WFUS54 KLIX 102022
TORLIX
LAC117-102030-
/O.NEW.KLIX.TO.W.0013.130210T2022Z-130210T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
222 PM CST SUN FEB 10 2013

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN WASHINGTON PARISH IN SOUTHEAST LOUISIANA...

* UNTIL 230 PM CST

* AT 220 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES
  NORTHEAST OF ANGIE...OR 17 MILES NORTHWEST OF POPLARVILLE...MOVING
  NORTHEAST AT 55 MPH.

* THE SEVERE THUNDERSTORM WILL OTHERWISE IMPACT MAINLY RURAL AREAS OF
  THE INDICATED PARISH.

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 600 PM CST SUNDAY EVENING FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.

&&

LAT...LON 3101 8973 3099 8973 3098 8973 3097 8973
      3095 8975 3094 8975 3091 8978 3100 8985
TIME...MOT...LOC 2022Z 233DEG 47KT 3104 8970

$$

1 follow-up statement

830 
WWUS54 KLIX 102027
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
227 PM CST SUN FEB 10 2013

LAC117-102036-
/O.EXP.KLIX.TO.W.0013.000000T0000Z-130210T2030Z/
WASHINGTON LA-
227 PM CST SUN FEB 10 2013

...THE TORNADO WARNING FOR NORTHEASTERN WASHINGTON PARISH WILL EXPIRE
AT 230 PM CST...

THE STORM THAT PROMPTED THE WARNING HAS MOVED NORTHEAST OF 
WASHINGTON PARISH. 

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

LAT...LON 3101 8973 3099 8973 3098 8973 3097 8973
      3095 8975 3094 8975 3091 8978 3100 8985
TIME...MOT...LOC 2026Z 233DEG 47KT 3107 8965

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 10, 3:45 AM CST	Small Craft Advisory	LIX		14 hr
Feb 10, 4:02 AM CST	Flood Watch	LIX	Assumption, East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, Saint Bernard and 7 more	62 hr
Feb 10, 8:03 AM CST	River Flood Warning	LIX	Saint Tammany, Washington	28 days
Feb 10, 8:03 AM CST	River Flood Warning	LIX	Saint Tammany	43 days
Feb 10, 1:10 PM CST	River Flood Warning	LIX	St. Mary	6 days
Feb 10, 1:22 PM CST	Severe Thunderstorm Warning	LIX	Pointe Coupee, West Feliciana	38 min
Feb 10, 1:37 PM CST	Tornado Warning	LIX	West Feliciana	38 min
Feb 10, 2:30 PM CST	Tornado Warning	LIX	Saint Tammany, Tangipahoa, Washington	30 min
Feb 10, 2:46 PM CST	Severe Thunderstorm Warning	LIX	Pointe Coupee, West Feliciana	44 min
Feb 10, 2:59 PM CST	Tornado Warning	LIX	Washington	46 min
Feb 10, 4:37 PM CST	Tornado Warning	LIX	Tangipahoa, Washington	38 min

Nearby

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