Alert archive / Texas / Red Flag Warnings in 2011

Red Flag Warning 1, NWS Lake Charles, LA

October 18, 2011Allen Parish, Beauregard Parish, Vernon Parish, Louisiana; 4 counties in Texas

NWS Lake Charles, LA issued this red flag warning at Oct 18, 2011, 5:06 AM CDT for Allen Parish, Beauregard Parish, Vernon Parish, Louisiana; 4 counties in Texas. It took effect at Oct 18, 2011, 10:00 AM CDT. It was in force for 11 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 18, 2011, 5:06 AM CDT (10:06 UTC)
In effect from
Oct 18, 2011, 10:00 AM CDT
Expired
Oct 18, 2011, 9:00 PM CDT
In force
11 hr
Issued by
NWS Lake Charles, LA

Counties Allen Parish, LA, Beauregard Parish, LA, Vernon Parish, LA, Hardin County, TX, Jasper County, TX, Newton County, TX, Tyler County, TX

The radar

The Lake Charles radar (KLCH), 81 km from the middle of the area, began a volume at 10:07 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 nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 10.1 hours before the alert went out and 82 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, Lake Charles Mun, LA at 00:00Z on 2011-10-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 88 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, Lake Charles Mun, LA at 00:00Z on 2011-10-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.193958Sfc1 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
88 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
898 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

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

544 
WWUS84 KLCH 181006
RFWLCH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
506 AM CDT TUE OCT 18 2011

...HIGH FIRE DANGER THIS AFTERNOON...

.A STRONG COLD FRONT WILL MOVE ACROSS TODAY. DRY AND WINDY CONDITIONS
WILL BE DEVELOPING BEHIND THE FRONT. WITH ALREADY VERY DRY GROUND
FUELS...THERE WILL BE A HIGH FIRE DANGER WITH THE POTENTIAL FOR
ANY WILD FIRE TO SPREAD QUICKLY OUT OF CONTROL. WINDS WILL
DECREASE IN THE EVENING HOURS WITH A GRADUAL RISE IN HUMIDITY
VALUES. HOWEVER...ON WEDNESDAY...EVEN LOWER RELATIVE HUMIDITY
VALUES ARE EXPECTED WITH GUSTY NORTH WINDS DEVELOPING AGAIN.

LAZ027-030-031-041-042-051-TXZ180-201-215-216-259>262-182100-
/O.UPG.KLCH.FW.A.0002.111018T1200Z-111019T0200Z/
/O.NEW.KLCH.FW.W.0001.111018T1500Z-111019T0200Z/
VERNON-BEAUREGARD-ALLEN-CALCASIEU-JEFFERSON DAVIS-CAMERON-TYLER-
HARDIN-JEFFERSON-ORANGE-NORTHERN JASPER-NORTHERN NEWTON-
SOUTHERN JASPER-SOUTHERN NEWTON-
506 AM CDT TUE OCT 18 2011

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 9 PM CDT
THIS EVENING FOR VERY DRY GROUND FUELS...LOW RELATIVE
HUMIDITY...AND STRONG GUSTY NORTHERLY WINDS... 

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A RED
FLAG WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 9 PM
CDT THIS EVENING.

* AFFECTED FIRE WEATHER AREAS...TYLER...HARDIN...JEFFERSON...ORANGE...NORTHERN
  JASPER...SOUTHERN JASPER...NORTHERN NEWTON...AND SOUTHERN NEWTON
  COUNTIES IN SOUTHEAST TEXAS...AND VERNON PARISH IN CENTRAL
  LOUISIANA...AND ALLEN...BEAUREGARD...CALCASIEU...JEFFERSON
  DAVIS...AND CAMERON PARISHES IN SOUTHWEST LOUISIANA.

* WIND...WINDS BECOMING NORTH BY LATE MORNING AND AFTERNOON AND
  INCREASING TO AROUND 20 MPH WITH GUSTS OVER 30 MPH POSSIBLE.

* HUMIDITY...RELATIVE HUMIDITY VALUES FALLING TO 25 TO 35 PERCENT
  THIS AFTERNOON.

* GROUND FUELS...VERY DRY WITH KEETCH-BYRAM READINGS OVER 600.

* IMPACTS...ANY FIRES THAT DEVELOP WILL SPREAD RAPIDLY. OUTDOOR
  BURNING IS BANNED ACROSS SOUTHEAST TEXAS AND WEST CENTRAL AND
  SOUTHWEST LOUISIANA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND VERY GROUND FUELS WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

LAZ028-029-032-033-043>045-052>055-182100-
/O.EXT.KLCH.FW.A.0002.111018T1500Z-111019T0200Z/
RAPIDES-AVOYELLES-EVANGELINE-ST. LANDRY-ACADIA-LAFAYETTE-
UPPER ST. MARTIN-VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-
506 AM CDT TUE OCT 18 2011

...FIRE WEATHER WATCH NOW IN EFFECT FROM 10 AM CDT THIS MORNING
TO 9 PM CDT THIS EVENING FOR VERY DRY GROUND FUELS AND STRONG
GUSTY NORTHERLY WINDS...

* AFFECTED FIRE WEATHER AREAS...RAPIDES...AVOYELLES PARISHES IN
  CENTRAL LOUISIANA...AND EVANGELINE...ST. LANDRY...ACADIA...LAFAYETTE...UPPER
  ST. MARTIN...VERMILION...IBERIA...ST. MARY...AND LOWER ST.
  MARTIN PARISHES IN SOUTH CENTRAL LOUISIANA.

* WIND...WINDS BECOMING NORTH THIS AFTERNOON AND INCREASING TO
  AROUND 20 MPH WITH GUSTS OVER 30 MPH POSSIBLE.

* HUMIDITY...RELATIVE HUMIDITY VALUES FALLING TO 40 TO 45 PERCENT
  THIS AFTERNOON.

* GROUND FUELS...VERY DRY WITH KEETCH-BYRAM READINGS OVER 600.

* IMPACTS...ANY FIRES THAT DEVELOP MAY SPREAD QUICKLY. OUTDOOR
  BURNING IS BANNED ACROSS PORTIONS OF CENTRAL AND SOUTH CENTRAL
  LOUISIANA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

RUA
1 follow-up statement
345 
WWUS84 KLCH 182031
RFWLCH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
331 PM CDT TUE OCT 18 2011

...VERY HIGH FIRE DANGER THIS AFTERNOON...

.A STRONG COLD FRONT WILL MOVE ACROSS TODAY. DRY AND WINDY
CONDITIONS WILL BE DEVELOPING BEHIND THE FRONT. WITH ALREADY VERY
DRY GROUND FUELS...THERE WILL BE A HIGH FIRE DANGER WITH THE
POTENTIAL FOR ANY WILD FIRE TO SPREAD QUICKLY OUT OF CONTROL.
WINDS WILL DECREASE IN THE EVENING HOURS WITH A GRADUAL RISE IN
HUMIDITY VALUES. HOWEVER...ON WEDNESDAY...EVEN LOWER RELATIVE
HUMIDITY VALUES ARE EXPECTED WITH GUSTY NORTH WINDS DEVELOPING
AGAIN.

LAZ027-030-031-041-042-051-TXZ180-201-215-216-259>262-190445-
/O.NEW.KLCH.FW.W.0002.111019T1400Z-111020T0000Z/
/O.CON.KLCH.FW.W.0001.000000T0000Z-111019T0200Z/
VERNON-BEAUREGARD-ALLEN-CALCASIEU-JEFFERSON DAVIS-CAMERON-TYLER-
HARDIN-JEFFERSON-ORANGE-NORTHERN JASPER-NORTHERN NEWTON-
SOUTHERN JASPER-SOUTHERN NEWTON-
331 PM CDT TUE OCT 18 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING
FOR SOUTHEAST TEXAS AND SOUTHERN LOUISIANA...

...RED FLAG WARNING IN EFFECT FROM 9 AM TO 7 PM CDT WEDNESDAY FOR
SOUTHEAST TEXAS AND SOUTHERN LOUISIANA...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A RED
FLAG WARNING...WHICH IS IN EFFECT FROM 9 AM TO 7 PM CDT WEDNESDAY.

* AFFECTED FIRE WEATHER AREAS...TYLER...HARDIN...JEFFERSON...
  ORANGE...NORTHERN JASPER...SOUTHERN JASPER...NORTHERN NEWTON...
  AND SOUTHERN NEWTON COUNTIES IN SOUTHEAST TEXAS... AND VERNON
  PARISH IN CENTRAL LOUISIANA...AND ALLEN... BEAUREGARD...
  CALCASIEU...JEFFERSON DAVIS...AND CAMERON PARISHES IN SOUTHWEST
  LOUISIANA.

* WIND...WINDS NORTH AROUND 25 MPH WITH GUSTS ABOVE 35 MPH THROUGH
  THIS EVENING. WINDS TOMORROW BECOMING NORTHWEST AT 20 TO 25 MPH
  BY LATE MORNING THROUGH THE AFTERNOON WITH GUSTS NEAR 30 MPH.

* HUMIDITY...RELATIVE HUMIDITY VALUES FALLING TO 30 TO 35 PERCENT
  THIS AFTERNOON. RELATIVE HUMIDITY VALUES TOMORROW WILL BE FROM
  20 TO 25 PERCENT.

* GROUND FUELS...VERY DRY WITH KEETCH-BYRAM READINGS OVER 600.

* IMPACTS...ANY FIRES THAT DEVELOP WILL SPREAD RAPIDLY. OUTDOOR 
  BURNING IS BANNED ACROSS SOUTHEAST TEXAS AND WEST CENTRAL AND 
  SOUTHWEST LOUISIANA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND VERY GROUND FUELS WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

LAZ028-029-032-033-043>045-052>055-190445-
/O.NEW.KLCH.FW.W.0002.111019T1400Z-111020T0000Z/
/O.CON.KLCH.FW.A.0002.000000T0000Z-111019T0200Z/
RAPIDES-AVOYELLES-EVANGELINE-ST. LANDRY-ACADIA-LAFAYETTE-
UPPER ST. MARTIN-VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-
331 PM CDT TUE OCT 18 2011

...FIRE WEATHER WATCH REMAINS IN EFFECT UNTIL 9 PM CDT THIS
EVENING FOR SOUTHEAST TEXAS AND SOUTHERN LOUISIANA... 

...RED FLAG WARNING IN EFFECT FROM 9 AM TO 7 PM CDT WEDNESDAY 
FOR SOUTHEAST TEXAS AND SOUTHERN LOUISIANA...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A RED
FLAG WARNING...WHICH IS IN EFFECT FROM 9 AM TO 7 PM CDT ON
WEDNESDAY. 

* AFFECTED FIRE WEATHER AREAS...RAPIDES...AVOYELLES PARISHES IN
  CENTRAL LOUISIANA...AND EVANGELINE...ST. LANDRY...ACADIA...
  LAFAYETTE...UPPER ST. MARTIN...VERMILION...IBERIA...ST. MARY...
  AND LOWER ST. MARTIN PARISHES IN SOUTH CENTRAL LOUISIANA.

* WIND...WINDS BECOMING NORTH THIS AFTERNOON AND INCREASING TO 
  AROUND 20 MPH WITH GUSTS OVER 30 MPH POSSIBLE.

* HUMIDITY...RELATIVE HUMIDITY VALUES FALLING TO 40 TO 45 PERCENT THIS
  AFTERNOON. RELATIVE HUMIDITY VALUES FALLING TOMORROW TO AROUND
  20 TO 30 PERCENT.

* GROUND FUELS...VERY DRY WITH KEETCH-BYRAM READINGS OVER 600.

* IMPACTS...ANY FIRES THAT DEVELOP MAY SPREAD QUICKLY. OUTDOOR 
  BURNING IS BANNED ACROSS PORTIONS OF CENTRAL AND SOUTH 
  CENTRAL LOUISIANA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

K. KUYPER

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 18, 3:31 PM CDTRed Flag WarningLCHAllen, Avoyelles, Beauregard, Evangeline, Lafayette, Rapides and 3 more27 hr

Nearby

Red Flag Warnings in Texas, 2011Red Flag Warnings in Louisiana, 2011Every red flag warning in 2011

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.