Alert archive / Louisiana / Wind Advisories in 2011
Wind Advisory 9, NWS Lake Charles, LA
NWS Lake Charles, LA issued this wind advisory at Apr 19, 2011, 4:38 AM CDT for 9 parishes in Louisiana; Hardin County, Tyler County, Texas. It took effect at Apr 19, 2011, 11:00 AM CDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Apr 19, 2011, 4:38 AM CDT (09:38 UTC)
- In effect from
- Apr 19, 2011, 11:00 AM CDT
- Expired
- Apr 19, 2011, 7:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Lake Charles, LA
Counties Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Evangeline Parish, LA, Lafayette Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, Vernon Parish, LA, Hardin County, TX, Tyler County, TX
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 9.6 hours before the alert went out and 73 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.
- Mixed-layer CAPE
- 2486 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 575 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
372 WWUS74 KLCH 190938 NPWLCH URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAKE CHARLES LA 438 AM CDT TUE APR 19 2011 ...STRONG AND GUSTY SOUTH WINDS EXPECTED TODAY... .A TIGHT SURFACE PRESSURE GRADIENT WILL PERSIST ACROSS THE REGION TODAY BETWEEN THE BERMUDA HIGH TO THE EAST AND AN AREA OF LOW PRESSURE OVER THE CENTRAL PLAINS LIFTING NORTHEAST TOWARD THE OHIO RIVER VALLEY. IN ADDITION...DAYTIME HEATING WILL PERMIT HIGHER WINDS IN THE LOWEST FEW THOUSAND FEET TO MIX TO THE SURFACE AS GUSTS. LAZ041>045-051>055-TXZ215-216-191600- /O.NEW.KLCH.WI.Y.0009.110419T1600Z-110419T2300Z/ CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN- CAMERON-VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-JEFFERSON- ORANGE- INCLUDING THE CITIES OF...LAKE CHARLES...JENNINGS...CROWLEY... LAFAYETTE...ST. MARTINVILLE...CAMERON...ABBEVILLE...NEW IBERIA... MORGAN CITY...BEAUMONT/PORT ARTHUR...ORANGE 438 AM CDT TUE APR 19 2011 ...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 6 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 6 PM CDT THIS EVENING. SOUTH WINDS ACROSS THE COASTAL COUNTIES AND PARISHES ALONG AND SOUTH OF THE INTERSTATE 10 CORRIDOR...ARE EXPECTED TO AVERAGE AROUND 20 MPH THIS AFTERNOON...WITH GUSTS IN EXCESS OF 30 MPH AT TIMES. WINDS WILL SUBSIDE BELOW ADVISORY CRITERIA BY EARLY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED 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. && $$ 13
4 follow-up statements
705 WWUS74 KLCH 191503 NPWLCH URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAKE CHARLES LA 1003 AM CDT TUE APR 19 2011 ...STRONG AND GUSTY SOUTH WINDS EXPECTED TODAY... .A TIGHT SURFACE PRESSURE GRADIENT WILL PERSIST ACROSS THE REGION TODAY BETWEEN THE BERMUDA HIGH TO THE EAST AND AN AREA OF LOW PRESSURE OVER THE CENTRAL PLAINS LIFTING NORTHEAST TOWARD THE OHIO RIVER VALLEY. IN ADDITION...DAYTIME HEATING WILL PERMIT HIGHER WINDS IN THE LOWEST FEW THOUSAND FEET TO MIX TO THE SURFACE AS GUSTS. LAZ041>045-051>055-TXZ215-216-192300- /O.CON.KLCH.WI.Y.0009.110419T1600Z-110419T2300Z/ CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN- CAMERON-VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-JEFFERSON- ORANGE- INCLUDING THE CITIES OF...LAKE CHARLES...JENNINGS...CROWLEY... LAFAYETTE...ST. MARTINVILLE...CAMERON...ABBEVILLE...NEW IBERIA... MORGAN CITY...BEAUMONT/PORT ARTHUR...ORANGE 1003 AM CDT TUE APR 19 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING. SOUTH WINDS ACROSS THE COASTAL COUNTIES AND PARISHES ALONG AND SOUTH OF THE INTERSTATE 10 CORRIDOR...ARE EXPECTED TO AVERAGE BETWEEN 20 AND 25 MPH...WITH GUSTS TO NEAR 35 MPH AT TIMES. WINDS WILL SUBSIDE BELOW ADVISORY CRITERIA BY EARLY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 34 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. WINDS OVER LOCAL WATERWAYS COULD BE 5 MPH HIGHER THAN OVER LAND. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING. && $$ RUA
358 WWUS74 KLCH 191703 NPWLCH URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAKE CHARLES LA 1203 PM CDT TUE APR 19 2011 ...STRONG AND GUSTY SOUTH WINDS EXPECTED TODAY... .A TIGHT SURFACE PRESSURE GRADIENT WILL PERSIST ACROSS THE REGION TODAY BETWEEN THE BERMUDA HIGH TO THE EAST AND AN AREA OF LOW PRESSURE OVER THE CENTRAL PLAINS LIFTING NORTHEAST TOWARD THE OHIO RIVER VALLEY. IN ADDITION...DAYTIME HEATING WILL PERMIT HIGHER WINDS IN THE LOWEST FEW THOUSAND FEET TO MIX TO THE SURFACE AS GUSTS. LAZ027>033-TXZ180>182-201-192300- /O.EXA.KLCH.WI.Y.0009.000000T0000Z-110419T2300Z/ VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY- TYLER-JASPER-NEWTON-HARDIN- INCLUDING THE CITIES OF...LEESVILLE...ALEXANDRIA...MARKSVILLE... DERIDDER...OAKDALE...VILLE PLATTE...OPELOUSAS...WOODVILLE... JASPER...NEWTON...LUMBERTON 1203 PM CDT TUE APR 19 2011 ...WIND ADVISORY IN EFFECT UNTIL 6 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CDT THIS EVENING. SOUTH WINDS ACROSS THE LAKES AREA OF SOUTHEAST TEXAS AND CENTRAL LOUISIANA ARE EXPECTED TO AVERAGE BETWEEN 20 AND 25 MPH...WITH GUSTS TO NEAR 35 MPH AT TIMES. WINDS WILL SUBSIDE BELOW ADVISORY CRITERIA BY EARLY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED 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. && $$ LAZ041>045-051>055-TXZ215-216-192300- /O.CON.KLCH.WI.Y.0009.000000T0000Z-110419T2300Z/ CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN- CAMERON-VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-JEFFERSON- ORANGE- INCLUDING THE CITIES OF...LAKE CHARLES...JENNINGS...CROWLEY... LAFAYETTE...ST. MARTINVILLE...CAMERON...ABBEVILLE...NEW IBERIA... MORGAN CITY...BEAUMONT/PORT ARTHUR...ORANGE 1203 PM CDT TUE APR 19 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING. SOUTH WINDS ACROSS THE COASTAL COUNTIES AND PARISHES ALONG AND SOUTH OF THE INTERSTATE 10 CORRIDOR...ARE EXPECTED TO AVERAGE BETWEEN 20 AND 25 MPH...WITH GUSTS TO NEAR 35 MPH AT TIMES. WINDS WILL SUBSIDE BELOW ADVISORY CRITERIA BY EARLY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 34 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. WINDS OVER LOCAL WATERWAYS COULD BE 5 MPH HIGHER THAN OVER LAND. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING. && $$ RUA
808 WWUS74 KLCH 191903 NPWLCH URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAKE CHARLES LA 203 PM CDT TUE APR 19 2011 ...STRONG AND GUSTY SOUTH WINDS EXPECTED THROUGH THE AFTERNOON... .A TIGHT SURFACE PRESSURE GRADIENT WILL PERSIST ACROSS THE REGION THROUGH THE AFTERNOON HOURS...BETWEEN THE BERMUDA HIGH TO THE EAST AND LOWER PRESSURE OVER THE SOUTHERN PLAINS. IN ADDITION...DAYTIME HEATING WILL PERMIT HIGHER WINDS IN THE LOWEST FEW THOUSAND FEET TO MIX TO THE SURFACE AS GUSTS. LAZ041>045-051>055-TXZ215-216-200000- /O.EXT.KLCH.WI.Y.0009.000000T0000Z-110420T0000Z/ CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN- CAMERON-VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-JEFFERSON- ORANGE- INCLUDING THE CITIES OF...LAKE CHARLES...JENNINGS...CROWLEY... LAFAYETTE...ST. MARTINVILLE...CAMERON...ABBEVILLE...NEW IBERIA... MORGAN CITY...BEAUMONT/PORT ARTHUR...ORANGE 203 PM CDT TUE APR 19 2011 ...WIND ADVISORY NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING... THE WIND ADVISORY IS NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING. SOUTH WINDS ACROSS THE COASTAL COUNTIES AND PARISHES ALONG AND SOUTH OF THE INTERSTATE 10 CORRIDOR...ARE EXPECTED TO AVERAGE BETWEEN 20 AND 25 MPH...WITH GUSTS TO NEAR 35 MPH AT TIMES. WINDS WILL SUBSIDE BELOW ADVISORY CRITERIA BY EARLY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED 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. && $$ LAZ027>033-TXZ180>182-201-200000- /O.EXT.KLCH.WI.Y.0009.000000T0000Z-110420T0000Z/ VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY- TYLER-JASPER-NEWTON-HARDIN- INCLUDING THE CITIES OF...LEESVILLE...ALEXANDRIA...MARKSVILLE... DERIDDER...OAKDALE...VILLE PLATTE...OPELOUSAS...WOODVILLE... JASPER...NEWTON...LUMBERTON 203 PM CDT TUE APR 19 2011 ...WIND ADVISORY NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING... THE WIND ADVISORY IS NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING. SOUTH WINDS ACROSS THE LAKES AREA OF SOUTHEAST TEXAS AND CENTRAL LOUISIANA ARE EXPECTED TO AVERAGE BETWEEN 20 AND 25 MPH...WITH GUSTS TO NEAR 35 MPH AT TIMES. WINDS WILL SUBSIDE BELOW ADVISORY CRITERIA BY EARLY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 34 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. WINDS OVER LOCAL WATERWAYS COULD BE 5 MPH HIGHER THAN OVER LAND. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING. && $$ RUA
881 WWUS74 KLCH 200011 NPWLCH URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAKE CHARLES LA 711 PM CDT TUE APR 19 2011 ...WINDS BEGINNING TO DIMINISH WITH LOSS OF DAYTIME HEATING... .AS EXPECTED, THE WINDS HAVE DIMINISHED BELOW ADVISORY CRITERIA EARLY THIS EVENING DESPITE THE GRADIENT REMAINING TIGHT. THE LOSS OF DAYTIME HEATING HAS REDUCED MIXING AND THEREFORE THE WINDS REACHING THE SURFACE. THE STRONGEST WINDS IN THE AREA ARE AT AT ESLER FIELD AND FORT POLK WHERE A SUSTAINED WIND HAVE DROPPED TO 17 MPH WITH HIGHER GUSTS. THIS IS BELOW THE ADVISORY CRITERIA OF 20 MPH SUSTAINED WINDS. LAZ027>033-041>045-051>055-TXZ180>182-201-215-216-200115- /O.EXP.KLCH.WI.Y.0009.000000T0000Z-110420T0000Z/ VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY- CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN- CAMERON-VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-TYLER-JASPER- NEWTON-HARDIN-JEFFERSON-ORANGE- INCLUDING THE CITIES OF...LEESVILLE...ALEXANDRIA...MARKSVILLE... DERIDDER...OAKDALE...VILLE PLATTE...OPELOUSAS...LAKE CHARLES... JENNINGS...CROWLEY...LAFAYETTE...ST. MARTINVILLE...CAMERON... ABBEVILLE...NEW IBERIA...MORGAN CITY...WOODVILLE...JASPER... NEWTON...LUMBERTON...BEAUMONT/PORT ARTHUR...ORANGE 711 PM CDT TUE APR 19 2011 ...WIND ADVISORY HAS EXPIRED... THE WIND ADVISORY IS NO LONGER IN EFFECT. $$ SWEENEY
Nearby
Wind Advisories in Louisiana, 2011Wind Advisories in Texas, 2011Every wind advisory 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.