Alert archive / Louisiana / Wind Advisories in 2015

Wind Advisory 4, NWS Lake Charles, LA

February 22, 2015Cameron Parish, Lafayette Parish, Saint Martin Parish, Louisiana

NWS Lake Charles, LA issued this wind advisory at Feb 22, 2015, 4:02 PM CST for Cameron Parish, Lafayette Parish, Saint Martin Parish, Louisiana. It took effect at Feb 23, 2015, 12:00 AM CST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Feb 22, 2015, 4:02 PM CST (22:02 UTC)
In effect from
Feb 23, 2015, 12:00 AM CST
Expired
Feb 23, 2015, 10:20 AM CST
In force
10 hr
Issued by
NWS Lake Charles, LA

Counties Cameron Parish, LA, Lafayette Parish, LA, Saint Martin Parish, LA

The radar

The Lake Charles radar (KLCH), 89 km from the middle of the area, began a volume at 22:07 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 12:00Z, 10.0 hours before the alert went out and 88 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 12:00Z on 2015-02-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 104 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 12:00Z on 2015-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 square meters per square second.1939587897117Sfc1 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
104 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
752 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
91 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

920 
WWUS74 KLCH 222202
NPWLCH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
402 PM CST SUN FEB 22 2015

...STRONG AND GUSTY NORTH WINDS EXPECTED...

.NORTH WINDS ARE EXPECTED TO INCREASE AND BECOME GUSTY AFTER
MIDNIGHT TONIGHT AS A STRONG AND COLD HIGH PRESSURE SYSTEM BUILDS
SOUTH INTO THE CENTRAL UNITED STATES. 

LAZ041>045-052>055-073-074-TXZ215-216-230600-
/O.NEW.KLCH.WI.Y.0004.150223T0600Z-150224T0000Z/
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-WEST CAMERON-
EAST CAMERON-JEFFERSON-ORANGE-
INCLUDING THE CITIES OF...LAKE CHARLES...SULPHUR...JENNINGS...
WELSH...LAKE ARTHUR...CROWLEY...RAYNE...CHURCH POINT...
LAFAYETTE...BREAUX BRIDGE...ST. MARTINVILLE...ABBEVILLE...
KAPLAN...NEW IBERIA...MORGAN CITY...FRANKLIN...PATTERSON...
BERWICK...BAYOU VISTA...STEPHENSVILLE...HACKBERRY...HOLLY BEACH...
CAMERON...GRAND CHENIER...BEAUMONT...PORT ARTHUR...ORANGE...
VIDOR...BRIDGE CITY
402 PM CST SUN FEB 22 2015

...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM CST
MONDAY...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM CST
MONDAY. 

* TIMING...STRONG AND GUSTY NORTH WINDS WILL INCREASE AFTER
  MIDNIGHT TONIGHT AND PERSIST THROUGH THE DAY MONDAY.

* WINDS...15 TO 25 MPH WITH GUSTS OF 30 TO 35 MPH.

* IMPACTS...STRONG AND GUSTY NORTH WINDS WILL AFFECT VEHICLES
  TRAVELING ALONG EAST TO WEST ORIENTED ROADWAYS...ESPECIALLY
  ELEVATED OVERPASSES AND BRIDGES...MAKING TWO HANDED DRIVING A
  MUST. HIGH PROFILE VEHICLES SUCH AS RV'S...MOTOR HOMES...AND
  TRAILER RIGS SHOULD SLOW DOWN AND BE PREPARED FOR STRONG WIND
  GUSTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 20 TO 34 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION. WINDS OVER LOCAL WATERWAYS
COULD BE 5 MPH HIGHER THAN OVER LAND. SMALL BOATS WILL BE
ESPECIALLY PRONE TO CAPSIZING.

&&

$$

13
3 follow-up statements
948 
WWUS74 KLCH 230519
NPWLCH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1119 PM CST SUN FEB 22 2015

...NORTHERLY WINDS STRENGTHENING AS A SURGE OF CANADIAN AIR BUILDS
IN THE WAKE OF A DEPARTING COLD FRONT...

.NORTH WINDS WILL RATCHET UP AS COLD CANADIAN AIR SPILLS INTO THE
REGION. A STRONG HIGH PRESSURE SYSTEM WILL ENSURE WINDS WILL REMAIN
ELEVATED THROUGH MOST OF THE DAY ON MONDAY BEFORE FINALLY EASING
MONDAY NIGHT.

LAZ041>045-052>055-073-074-TXZ215-216-231330-
/O.CON.KLCH.WI.Y.0004.150223T0600Z-150224T0000Z/
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-WEST CAMERON-
EAST CAMERON-JEFFERSON-ORANGE-
INCLUDING THE CITIES OF...LAKE CHARLES...SULPHUR...JENNINGS...
WELSH...LAKE ARTHUR...CROWLEY...RAYNE...CHURCH POINT...
LAFAYETTE...BREAUX BRIDGE...ST. MARTINVILLE...ABBEVILLE...
KAPLAN...NEW IBERIA...MORGAN CITY...FRANKLIN...PATTERSON...
BERWICK...BAYOU VISTA...STEPHENSVILLE...HACKBERRY...HOLLY BEACH...
CAMERON...GRAND CHENIER...BEAUMONT...PORT ARTHUR...ORANGE...
VIDOR...BRIDGE CITY
1119 PM CST SUN FEB 22 2015

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST MONDAY...

* TIMING...STRONG AND GUSTY NORTH WINDS WILL INCREASE AFTER 
  MIDNIGHT TONIGHT AND PERSIST THROUGH THE DAY MONDAY. 

* WINDS...15 TO 25 MPH WITH GUSTS OF 30 TO 35 MPH.

* IMPACTS...STRONG AND GUSTY NORTH WINDS WILL AFFECT VEHICLES 
  TRAVELING ALONG EAST TO WEST ORIENTED ROADWAYS...ESPECIALLY 
  ELEVATED OVERPASSES AND BRIDGES...MAKING TWO HANDED DRIVING A 
  MUST. HIGH PROFILE VEHICLES SUCH AS RV'S...MOTOR HOMES...AND 
  TRAILER RIGS SHOULD SLOW DOWN AND BE PREPARED FOR STRONG WIND 
  GUSTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 20 TO 34 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION. WINDS OVER LOCAL
WATERWAYS COULD BE 5 MPH HIGHER THAN OVER LAND. SMALL BOATS WILL
BE ESPECIALLY PRONE TO CAPSIZING.

&&

$$
984 
WWUS74 KLCH 230910
NPWLCH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
310 AM CST MON FEB 23 2015

...NORTHERLY WINDS STRENGTHENING AS A SURGE OF CANADIAN AIR
BUILDS IN THE WAKE OF A DEPARTING COLD FRONT...

.A STRONG HIGH PRESSURE SYSTEM WITH MUCH COLDER AIR WILL MOVE INTO
THE REGION. THIS WILL YIELD STRONG NORTHERLY WINDS FOR MOST OF
THE DAY TODAY BEFORE FINALLY EASING TONIGHT.

LAZ041>045-052>055-073-074-TXZ215-216-232200-
/O.CON.KLCH.WI.Y.0004.000000T0000Z-150224T0000Z/
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-WEST CAMERON-
EAST CAMERON-JEFFERSON-ORANGE-
INCLUDING THE CITIES OF...LAKE CHARLES...SULPHUR...JENNINGS...
WELSH...LAKE ARTHUR...CROWLEY...RAYNE...CHURCH POINT...
LAFAYETTE...BREAUX BRIDGE...ST. MARTINVILLE...ABBEVILLE...
KAPLAN...NEW IBERIA...MORGAN CITY...FRANKLIN...PATTERSON...
BERWICK...BAYOU VISTA...STEPHENSVILLE...HACKBERRY...HOLLY BEACH...
CAMERON...GRAND CHENIER...BEAUMONT...PORT ARTHUR...ORANGE...
VIDOR...BRIDGE CITY
310 AM CST MON FEB 23 2015

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...

* TIMING...STRONG AND GUSTY NORTH WINDS WILL INCREASE AFTER 
  MIDNIGHT TONIGHT AND PERSIST THROUGH THE DAY MONDAY. 

* WINDS...15 TO 25 MPH WITH GUSTS OF 30 TO 35 MPH.

* IMPACTS...STRONG AND GUSTY NORTH WINDS WILL AFFECT VEHICLES 
  TRAVELING ALONG EAST TO WEST ORIENTED ROADWAYS...ESPECIALLY 
  ELEVATED OVERPASSES AND BRIDGES...MAKING TWO HANDED DRIVING A 
  MUST. HIGH PROFILE VEHICLES SUCH AS RV'S...MOTOR HOMES...AND 
  TRAILER RIGS SHOULD SLOW DOWN AND BE PREPARED FOR STRONG WIND 
  GUSTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 20 TO 34 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION. WINDS OVER LOCAL
WATERWAYS COULD BE 5 MPH HIGHER THAN OVER LAND. SMALL BOATS WILL
BE ESPECIALLY PRONE TO CAPSIZING.

&&

$$
442 
WWUS74 KLCH 231620
NPWLCH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1020 AM CST MON FEB 23 2015

LAZ041>045-052>055-073-074-TXZ215-216-231730-
/O.CAN.KLCH.WI.Y.0004.000000T0000Z-150224T0000Z/
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-WEST CAMERON-
EAST CAMERON-JEFFERSON-ORANGE-
INCLUDING THE CITIES OF...LAKE CHARLES...SULPHUR...JENNINGS...
WELSH...LAKE ARTHUR...CROWLEY...RAYNE...CHURCH POINT...
LAFAYETTE...BREAUX BRIDGE...ST. MARTINVILLE...ABBEVILLE...
KAPLAN...NEW IBERIA...MORGAN CITY...FRANKLIN...PATTERSON...
BERWICK...BAYOU VISTA...STEPHENSVILLE...HACKBERRY...HOLLY BEACH...
CAMERON...GRAND CHENIER...BEAUMONT...PORT ARTHUR...ORANGE...
VIDOR...BRIDGE CITY
1020 AM CST MON FEB 23 2015

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS CANCELLED THE
WIND ADVISORY. 

$$

13

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 22, 3:50 PM CSTSmall Craft AdvisoryLCH32 hr
Feb 22, 4:45 PM CSTFreezing Rain AdvisoryLCHAllen, Avoyelles, Beauregard, Evangeline, Rapides, Saint Landry and 1 more41 hr

Nearby

Wind Advisories in Louisiana, 2015Wind Advisories in Texas, 2015Every wind advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.