Alert archive / Louisiana / Wind Advisories in 2012
Wind Advisory 16, NWS Lake Charles, LA
NWS Lake Charles, LA issued this wind advisory at Apr 21, 2012, 4:14 AM CDT for Cameron Parish, Lafayette Parish, Saint Martin Parish, Louisiana. It was in force for 13 hr.
The area
The counties it named.
The facts
- Issued
- Apr 21, 2012, 4:14 AM CDT (09:14 UTC)
- Expired
- Apr 21, 2012, 5:00 PM CDT
- In force
- 13 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 09:16 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, 9.2 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
- 629 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 988 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
892 WWUS74 KLCH 210914 NPWLCH URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAKE CHARLES LA 414 AM CDT SAT APR 21 2012 ...BLUSTERY CONDITIONS EXPECTED TODAY... .HIGH PRESSURE WILL BUILD INTO THE AREA BEHIND A DEPARTING COLD FRONT. MEANWHILE...LOW PRESSURE IS EXPECTED TO DEVELOP OVER THE NORTHERN GULF OF MEXICO. THE RESULT WILL BE A TIGHT PRESSURE GRADIENT HELPING TO PRODUCE STRONG AND GUSTY NORTH WINDS. THESE WINDS WILL BEGIN TO DECREASE THIS AFTERNOON AS THE GRADIENT RELAXES SOME AND THE LOW MOVES OFF TO THE EAST. LAZ041>045-052>055-073-074-TXZ215-216-212200- /O.NEW.KLCH.WI.Y.0016.120421T0914Z-120421T2200Z/ 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 414 AM CDT SAT APR 21 2012 ...WIND ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON. * TIMING...FROM NOW THROUGH THE AFTERNOON. * WINDS...NORTH SUSTAINED BETWEEN 20 AND 25 MPH WITH LOCALLY HIGHER GUSTS. * IMPACTS...HANDLING PROBLEMS ON HIGH PROFILE VEHICLES. ROUGH CONDITIONS FOR SMALL BOATS ON RECREATIONAL WATERWAYS AND LAKES. SOME LIGHT WEIGHT LOOSE YARD OBJECTS MAY BE BLOWN AROUND. 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. && $$ RUA
1 follow-up statement
846 WWUS74 KLCH 212003 NPWLCH URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAKE CHARLES LA 303 PM CDT SAT APR 21 2012 ...WINDY CONDITIONS TO LAST A COUPLE MORE HOURS ALONG THE COAST AND INTO ACADIANA... .HIGH PRESSURE WILL CONTINUE TO BUILD INTO THE AREA BEHIND A DEPARTING COLD FRONT. MEANWHILE...LOW PRESSURE WILL CONTINUE DEVELOPING OVER THE NORTHERN GULF OF MEXICO. THE RESULT WILL BE A TIGHT PRESSURE GRADIENT HELPING TO PRODUCE STRONG AND GUSTY NORTH WINDS. THESE WINDS WILL DECREASE THROUGH THE REMAINDER OF THE AFTERNOON AS THE LOW MOVES AWAY. LAZ041>043-TXZ216-212115- /O.CAN.KLCH.WI.Y.0016.000000T0000Z-120421T2200Z/ CALCASIEU-JEFFERSON DAVIS-ACADIA-ORANGE- INCLUDING THE CITIES OF...LAKE CHARLES...SULPHUR...JENNINGS... WELSH...LAKE ARTHUR...CROWLEY...RAYNE...CHURCH POINT...ORANGE... VIDOR...BRIDGE CITY 303 PM CDT SAT APR 21 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS CANCELLED THE WIND ADVISORY. WINDS HAVE DECREASED ALONG INTERSTATE 10 WEST OF LAFAYETTE. $$ LAZ044-045-052>055-073-074-TXZ215-212200- /O.CON.KLCH.WI.Y.0016.000000T0000Z-120421T2200Z/ LAFAYETTE-UPPER ST. MARTIN-VERMILION-IBERIA-ST. MARY- LOWER ST. MARTIN-WEST CAMERON-EAST CAMERON-JEFFERSON- INCLUDING THE CITIES OF...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 303 PM CDT SAT APR 21 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON... * TIMING...FROM NOW THROUGH THE AFTERNOON. * WINDS...NORTH SUSTAINED BETWEEN 20 AND 25 MPH WITH LOCALLY HIGHER GUSTS ALONG THE COAST OF SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA, AND ALSO INTO ACADIANA. * IMPACTS...HANDLING PROBLEMS ON HIGH PROFILE VEHICLES. ROUGH CONDITIONS FOR SMALL BOATS ON RECREATIONAL WATERWAYS AND LAKES. SOME LIGHT WEIGHT LOOSE YARD OBJECTS MAY BE BLOWN AROUND. 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. && $$
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 7:53 PM CDT | Special Weather Statement | LCH | Rapides | 52 min |
| Apr 20, 8:48 PM CDT | Special Weather Statement | LCH | Rapides | 57 min |
| Apr 20, 8:58 PM CDT | Severe Thunderstorm Warning | LCH | Rapides | 34 min |
| Apr 21, 3:42 AM CDT | Special Marine Warning | LCH | 63 min | |
| Apr 21, 6:20 AM CDT | River Flood Warning | LCH | Rapides | 8 days |
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.