Alert archive / Louisiana / Tornado Warnings in 2014

Tornado Warning 3, NWS New Orleans, LA

February 20, 2014Washington Parish, Louisiana; Walthall County, Mississippi

NWS New Orleans, LA issued this tornado warning at Feb 20, 2014, 6:48 PM CST for Washington Parish, Louisiana; Walthall County, Mississippi. It was in force for 27 min. 1 report 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: Feb 20, 2014, 6:48 PM CST (00:48 UTC)
Expired: Feb 20, 2014, 7:15 PM CST
In force: 27 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon

Counties Washington Parish, LA, Walthall County, MS

What was reported inside it

Time	Report	Where	Remark
Feb 20, 7:11 PM CST	TORNADO	1 Wnw Dexter, MS	A WEAK TORNADO TOUCHED DOWN IN THE VICNITY OF MS HIGHWAY 48 AND PIGOT EASTERLING ROAD. SEVERAL LARGE PINE TREES WERE UPROOTED...AND LARGE TREE BRANCHES WERE SNAPPED. A HOUSE ROOF WAS DAMAGED BY A FALLEN TREE. DAMAGE PATH 0.50 MILE. PATH WIDTH 40 YARDS. INTENSI

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.

Issued	Product	Office	Lasted
Feb 20, 6:05 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 0.8 hours before the alert went out and 95 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: 1934 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 620 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 187 m²/s²
0-3 km storm-relative helicity: 183 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 9.0

Open this sounding in Storm Lab

The text

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

841 
WFUS54 KLIX 210048
TORLIX
LAC117-MSC147-210115-
/O.NEW.KLIX.TO.W.0003.140221T0048Z-140221T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
648 PM CST THU FEB 20 2014

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  WASHINGTON PARISH IN SOUTHEAST LOUISIANA...
  THIS INCLUDES THE CITY OF FRANKLINTON...
  WALTHALL COUNTY IN SOUTHERN MISSISSIPPI...

* UNTIL 715 PM CST

* AT 645 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  FRANKLINTON...MOVING NORTHEAST AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  DEXTER BY 715 PM CST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...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 100 AM CST FRIDAY MORNING FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.

&&

LAT...LON 3116 8999 3114 9000 3114 8997 3101 8983
      3077 9017 3090 9032 3118 9001
TIME...MOT...LOC 0048Z 227DEG 21KT 3091 9015

$$

2 follow-up statements

274 
WWUS54 KLIX 210100
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
700 PM CST THU FEB 20 2014

LAC117-MSC147-210115-
/O.CON.KLIX.TO.W.0003.000000T0000Z-140221T0115Z/
WALTHALL MS-WASHINGTON LA-
700 PM CST THU FEB 20 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CST FOR WALTHALL
COUNTY...AND WASHINGTON PARISH...

AT 655 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO 
DETECT A POSSIBLE TORNADO.  THIS TORNADO WAS LOCATED 8 MILES NORTH OF
FRANKLINTON...MOVING NORTHEAST AT 30 MPH.

THE TORNADO WILL BE NEAR...
  DEXTER BY 715 PM CST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CST FRIDAY MORNING FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.

&&

LAT...LON 3116 8999 3114 9000 3114 8997 3101 8983
      3077 9017 3090 9032 3118 9001
TIME...MOT...LOC 0100Z 229DEG 25KT 3098 9007

$$

563 
WWUS54 KLIX 210108
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
708 PM CST THU FEB 20 2014

LAC117-210118-
/O.CAN.KLIX.TO.W.0003.000000T0000Z-140221T0115Z/
WASHINGTON LA-
708 PM CST THU FEB 20 2014

...THE TORNADO WARNING FOR WASHINGTON PARISH IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CST FRIDAY MORNING FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.

LAT...LON 3100 9021 3118 9001 3116 8999 3114 9000
      3114 8997 3101 8983
TIME...MOT...LOC 0108Z 229DEG 25KT 3102 9002

$$

MSC147-210115-
/O.CON.KLIX.TO.W.0003.000000T0000Z-140221T0115Z/
WALTHALL MS-
708 PM CST THU FEB 20 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CST FOR WALTHALL
COUNTY...

AT 704 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO.  THIS TORNADO WAS LOCATED 6 MILES SOUTHWEST OF
DEXTER...OR 12 MILES NORTHEAST OF FRANKLINTON...MOVING NORTHEAST AT
30 MPH.

THE TORNADO WILL BE NEAR...
  DEXTER BY 715 PM CST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CST FRIDAY MORNING FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.

&&

LAT...LON 3100 9021 3118 9001 3116 8999 3114 9000
      3114 8997 3101 8983
TIME...MOT...LOC 0108Z 229DEG 25KT 3102 9002

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 20, 6:38 PM CST	Severe Thunderstorm Warning	LIX	East Feliciana	67 min
Feb 20, 6:42 PM CST	Severe Thunderstorm Warning	LIX	East Feliciana	33 min
Feb 20, 6:44 PM CST	Severe Thunderstorm Warning	LIX	Washington	31 min
Feb 20, 6:57 PM CST	Severe Thunderstorm Warning	LIX	East Feliciana, Saint Helena, Tangipahoa	63 min
Feb 20, 7:41 PM CST	Severe Thunderstorm Warning	LIX	Tangipahoa, Washington	64 min
Feb 20, 8:43 PM CST	Areal Flood Advisory	LIX	Ascension, East Baton Rouge, East Feliciana, Iberville, Livingston, Plaquemines and 7 more	67 days
Feb 20, 9:18 PM CST	Severe Thunderstorm Warning	LIX	East Feliciana, Pointe Coupee, West Feliciana	27 min
Feb 20, 11:28 PM CST	Areal Flood Advisory	LIX	Ascension, East Baton Rouge, Iberville, Livingston, Saint Helena, Tangipahoa and 1 more	2 hr
Feb 21, 12:25 AM CST	Special Marine Warning	LIX		50 min
Feb 21, 1:13 AM CST	River Flood Warning	LIX	Saint Helena	41 hr
Feb 21, 1:15 AM CST	Severe Thunderstorm Warning	LIX	Jefferson, Orleans, Plaquemines, Saint Bernard	15 min
Feb 21, 1:30 AM CST	Severe Thunderstorm Warning	LIX	Jefferson, Orleans, Plaquemines, Saint Bernard	30 min
Feb 21, 1:59 AM CST	Special Marine Warning	LIX		61 min
Feb 21, 2:02 AM CST	Special Marine Warning	LIX		28 min
Feb 21, 2:56 AM CST	Special Marine Warning	LIX		64 min
Feb 21, 7:15 AM CST	River Flood Warning	LIX	East Baton Rouge, Livingston	3 days
Feb 21, 10:33 AM CST	River Flood Warning	LIX	Washington	57 hr
Feb 21, 10:33 AM CST	River Flood Warning	LIX	Saint Tammany	5 days
Feb 20, 7:12 PM CST	Tornado Warning	LIX	Walthall	18 min
Feb 20, 9:46 PM CST	Tornado Warning	LIX	Walthall	14 min
Feb 20, 10:55 PM CST	Tornado Warning	LIX	Walthall	20 min
Feb 21, 4:27 AM CST	River Flood Warning	LIX	Pike	28 hr
Feb 21, 10:01 AM CST	River Flood Warning	LIX	Pike, Walthall	33 hr

Nearby

Tornado Warnings in Louisiana, 2014 Tornado Warnings in Mississippi, 2014 Every tornado warning in 2014 Tornadoes in 2014

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.