Alert archive / Louisiana / Wind Advisories in 2012
Wind Advisory 10, NWS Lake Charles, LA
NWS Lake Charles, LA issued this wind advisory at Mar 11, 2012, 2:52 PM CDT for Cameron Parish, Lafayette Parish, Saint Martin Parish, Louisiana. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Mar 11, 2012, 2:52 PM CDT (19:52 UTC)
- Expired
- Mar 11, 2012, 7:00 PM CDT
- In force
- 4 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 19:56 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, 7.9 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.
- Mixed-layer CAPE
- 182 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 452 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 246 m²/s²
- 0-3 km storm-relative helicity
- 294 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
815 WWUS74 KLCH 111952 NPWLCH URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAKE CHARLES LA 252 PM CDT SUN MAR 11 2012 ...STRONG SOUTHERLY WINDS TO CONTINUE DURING THE AFTERNOON... .A TIGHT PRESSURE GRADIENT CAUSED BY A SURFACE LOW MOVING THROUGH NORTHEAST TEXAS WILL PRODUCE STRONG AND GUSTY SOUTHERLY WINDS. THESE WINDS WILL DECREASE THIS EVENING AS THE LOW MOVES OFF TO THE NORTHEAST. LAZ041>045-052>055-073-074-TXZ215-216-120000- /O.NEW.KLCH.WI.Y.0010.120311T1952Z-120312T0000Z/ 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 252 PM CDT SUN MAR 11 2012 ...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING. * TIMING...REMAINDER OF THIS AFTERNOON. * WINDS...SOUTH TO SOUTHEAST 20 TO 25 MPH WITH GUSTS TO 35 MPH. * IMPACTS...LOOSE OBJECTS SUCH AS GARBAGE CANS WILL BE BLOWN AROUND. DRIVING MAY BE DIFFICULT FOR HIGH PROFILE VEHICLES. 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. && $$ RUA
1 follow-up statement
895 WWUS74 KLCH 120008 NPWLCH URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAKE CHARLES LA 708 PM CDT SUN MAR 11 2012 ...WINDS HAVE DIMINISHED... .THE FRONTAL BOUNDARY TO THE WEST HAS BEGUN TO WASH OUT AND THE PRESSURE GRADIENT IS WEAKENING. IN RESPONSE, WINDS HAVE DIMINISHED. LAZ041>045-052>055-073-074-TXZ215-216-120115- /O.EXP.KLCH.WI.Y.0010.000000T0000Z-120312T0000Z/ CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN- VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-WEST CAMERON- EAST CAMERON-JEFFERSON-ORANGE- INCLUDING THE CITIES OF...LAKE CHARLES...SULPHUR...JENNINGS... WELSH...LAKE ARTHUR...CROWLEY...RAYNE...CHURCH POINT... LAFAYETTE...BREAUX BRIDGE...ST. MARTINVILLE...ABBEVILLE... KAPLAN...NEW IBERIA...MORGAN CITY...FRANKLIN...PATTERSON... BERWICK...BAYOU VISTA...STEPHENSVILLE...HACKBERRY...HOLLY BEACH... CAMERON...GRAND CHENIER...BEAUMONT...PORT ARTHUR...ORANGE... VIDOR...BRIDGE CITY 708 PM CDT SUN MAR 11 2012 ...WIND ADVISORY HAS EXPIRED... WINDS REACHING ADVISORY CRITERIA ARE NO LONGER EXPECTED. $$ SWEENEY
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 11, 2:55 PM CDT | River Flood Warning | LCH | Calcasieu | 19 hr |
| Mar 11, 5:29 PM CDT | Special Weather Statement | LCH | Beauregard | 61 min |
| Mar 11, 6:41 PM CDT | Special Weather Statement | LCH | Rapides | 64 min |
Nearby
Wind Advisories in Louisiana, 2012Wind Advisories in Texas, 2012Every wind advisory in 2012
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.