Alert archive / Louisiana / Tornado Warnings in 2015

Tornado Warning 13, NWS Lake Charles, LA

May 25, 2015Beauregard Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at May 25, 2015, 9:52 PM CDT for Beauregard Parish, Louisiana. It was in force for 23 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: May 25, 2015, 9:52 PM CDT (02:52 UTC)
Expired: May 25, 2015, 10:15 PM CDT
In force: 23 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon

County Beauregard Parish, LA

The radar

The Ft Polk radar (KPOE), 71 km from the middle of the area, began a volume at 02:54 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.

What was reported inside it

Time	Report	Where	Remark
May 25, 9:57 PM CDT	TSTM WND DMG	5 Ssw Merryville, LA	PINE TREE SNAPPED ON HWY 389 SOUTH SOUTHWEST OF MERRYVILLE.

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
May 25, 6:24 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 2.9 hours before the alert went out and 77 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: 3112 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 820 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 184 m²/s²
Significant tornado parameter: 2.7
Supercell composite: 16.2

Open this sounding in Storm Lab

The text

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

061 
WFUS54 KLCH 260252
TORLCH
LAC011-260315-
/O.NEW.KLCH.TO.W.0013.150526T0252Z-150526T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
952 PM CDT MON MAY 25 2015

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES  HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN BEAUREGARD PARISH IN SOUTHWESTERN LOUISIANA...

* UNTIL 1015 PM CDT
    
* AT 951 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
  NEAR BIVENS...OR NEAR BON WEIR...AND MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MERRYVILLE...DE RIDDER...JUNCTION AND BIVENS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF YOU ARE IN A MOBILE HOME OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3087 9310 3054 9367 3059 9369 3059 9368
      3061 9369 3064 9368 3066 9367 3068 9363
      3072 9361 3076 9362 3077 9359 3080 9359
      3081 9356 3084 9355 3084 9357 3087 9354
      3086 9348 3087 9346
TIME...MOT...LOC 0251Z 243DEG 40KT 3069 9360 

$$

ERICKSON

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 7:43 PM CDT	Special Weather Statement	LCH	Rapides	17 min
May 25, 7:44 PM CDT	Special Weather Statement	LCH	Evangeline	46 min
May 25, 7:47 PM CDT	Special Weather Statement	LCH	Evangeline	43 min
May 25, 9:44 PM CDT	Severe Thunderstorm Warning	LCH	Beauregard, Vernon	31 min
May 25, 9:47 PM CDT	Flash Flood Warning	LCH	Beauregard, Calcasieu, Vernon	3 hr
May 25, 9:58 PM CDT	Special Weather Statement	LCH	Avoyelles, Saint Landry, Saint Martin	62 min
May 25, 10:06 PM CDT	River Flood Warning	LCH	Allen	3 days
May 25, 10:19 PM CDT	Severe Thunderstorm Warning	LCH	Beauregard, Calcasieu, Rapides, Vernon	56 min
May 25, 10:31 PM CDT	Flash Flood Warning	LCH	Calcasieu	4 hr
May 25, 10:59 PM CDT	Severe Thunderstorm Warning	LCH	Allen, Beauregard, Calcasieu, Evangeline, Jefferson Davis, Rapides	31 min
May 25, 11:29 PM CDT	Severe Thunderstorm Warning	LCH	Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 4 more	91 min
May 25, 11:47 PM CDT	Special Marine Warning	LCH		88 min
May 26, 12:21 AM CDT	Special Weather Statement	LCH	Lafayette, Saint Landry, Saint Martin, Vermilion	54 min
May 26, 12:58 AM CDT	Special Marine Warning	LCH		2 hr
May 26, 1:21 AM CDT	Special Weather Statement	LCH	Iberia, Saint Martin, St. Mary	84 min
May 26, 2:31 AM CDT	Flash Flood Warning	LCH	Calcasieu, Cameron	3 hr
May 26, 3:01 AM CDT	Special Marine Warning	LCH		119 min
May 26, 10:49 AM CDT	River Flood Warning	LCH	Vernon	71 hr

Nearby

Tornado Warnings in Louisiana, 2015 Every tornado warning in 2015 Tornadoes in 2015

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; radar from the NEXRAD Level II archive.