Alert archive / Louisiana / Tornado Warnings in 2014

Tornado Warning 9, NWS Lake Charles, LA

October 3, 2014Avoyelles Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Oct 3, 2014, 1:40 AM CDT for Avoyelles Parish, Louisiana. It was in force for 35 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: Oct 3, 2014, 1:40 AM CDT (06:40 UTC)
Expired: Oct 3, 2014, 2:15 AM CDT
In force: 35 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon

County Avoyelles Parish, LA

The radar

The Ft Polk radar (KPOE), 107 km from the middle of the area, began a volume at 06:44 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.

Issued	Product	Office	Lasted
Oct 2, 11:36 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 6.7 hours before the alert went out and 156 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: 2657 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 674 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 98 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 6.4

Open this sounding in Storm Lab

The text

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

722 
WFUS54 KLCH 030640
TORLCH
LAC009-030715-
/O.NEW.KLCH.TO.W.0009.141003T0640Z-141003T0715Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
140 AM CDT FRI OCT 3 2014

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL AVOYELLES PARISH IN CENTRAL LOUISIANA...
  THIS INCLUDES SIMMESPORT...

* UNTIL 215 AM CDT

* AT 139 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR GOUDEAU...
  MOVING EAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  PLAUCHEVILLE AND DUPONT

PRECAUTIONARY/PREPAREDNESS ACTIONS...

NATIONAL WEATHER SERVICE RADAR INDICATES A TORNADO MAY FORM AT ANY
TIME. TAKE COVER NOW! ABANDON MOBILE HOMES AND VEHICLES. MOVE TO AN
INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 AM CDT FRIDAY
MORNING FOR SOUTHWEST LOUISIANA. A SEVERE THUNDERSTORM WATCH ALSO
REMAINS IN EFFECT UNTIL 500 AM CDT FRIDAY MORNING FOR SOUTHWESTERN
LOUISIANA AND SOUTHEAST TEXAS.

&&

PLEASE REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT FOR RELAY TO 
THE NATIONAL WEATHER SERVICE.

LAT...LON 3097 9179 3089 9179 3088 9180 3087 9206
      3093 9209 3111 9183
TIME...MOT...LOC 0640Z 254DEG 29KT 3091 9202

$$

25

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 2, 11:00 PM CDT	Special Weather Statement	LCH	Vernon	60 min
Oct 2, 11:44 PM CDT	Severe Thunderstorm Warning	LCH	Beauregard, Vernon	61 min
Oct 2, 11:59 PM CDT	Special Weather Statement	LCH	Beauregard	61 min
Oct 3, 12:30 AM CDT	Severe Thunderstorm Warning	LCH	Beauregard, Calcasieu	30 min
Oct 3, 12:45 AM CDT	Severe Thunderstorm Warning	LCH	Allen, Avoyelles, Beauregard, Evangeline, Rapides, Vernon	60 min
Oct 3, 1:08 AM CDT	Special Weather Statement	LCH	Calcasieu	67 min
Oct 3, 1:26 AM CDT	Severe Thunderstorm Warning	LCH	Avoyelles	34 min
Oct 3, 1:42 AM CDT	Special Marine Warning	LCH		93 min
Oct 3, 1:51 AM CDT	Severe Thunderstorm Warning	LCH	Avoyelles, Evangeline, Saint Landry	39 min
Oct 3, 1:58 AM CDT	Severe Thunderstorm Warning	LCH	Acadia, Allen, Calcasieu, Evangeline, Jefferson Davis, Saint Landry	62 min
Oct 3, 2:58 AM CDT	Special Marine Warning	LCH		62 min
Oct 3, 4:07 AM CDT	Special Marine Warning	LCH		113 min
Oct 3, 5:58 AM CDT	Special Marine Warning	LCH		92 min

Nearby

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