Alert archive / Louisiana / Special Weather Statements in 2012
Special Weather Statement, NWS Lake Charles, LA
NWS Lake Charles, LA issued this special weather statement at Sep 30, 2012, 8:21 AM CDT for Cameron Parish, Louisiana. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 30, 2012, 8:21 AM CDT (13:21 UTC)
- Expired
- Sep 30, 2012, 9:15 AM CDT
- In force
- 54 min
- Issued by
- NWS Lake Charles, LA
County Cameron Parish, LA
The radar
The Lake Charles radar (KLCH), 38 km from the middle of the area, began a volume at 13:23 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 1.4 hours before the alert went out and 339 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
- 1360 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 552 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.9
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Lake Charles, LA wrote its last area forecast discussion before this special weather statement went out at Sep 29, 6:40 PM CDT, 13 hours 41 minutes earlier.
Area forecast discussion, Sep 29, 6:40 PM CDT, 13 hours 41 minutes before
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</html>Hazardous weather outlook, Sep 29, 9:05 AM CDT, 23 hours 16 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAKE CHARLES LA 905 AM CDT SAT SEP 29 2012 LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262- 301015- VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY- CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN- VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-WEST CAMERON- EAST CAMERON-TYLER-HARDIN-JEFFERSON-ORANGE-NORTHERN JASPER- NORTHERN NEWTON-SOUTHERN JASPER-SOUTHERN NEWTON- 905 AM CDT SAT SEP 29 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL LOUISIANA...SOUTH CENTRAL LOUISIANA...SOUTHWEST LOUISIANA...WEST CENTRAL LOUISIANA AND SOUTHEAST TEXAS. .DAY ONE...TODAY AND TONIGHT RAIN WITH A FEW THUNDERSTORMS WILL OCCUR ACROSS THE REGION TODAY AND TONIGHT. THE LARGEST THREAT TO THE AREA WILL BE EXCESSIVE RAINFALL AS TOTALS MAY RANGE FROM 2 TO 4 INCHES WITH ISOLATED HIGHER AMOUNTS. AN ISOLATED THUNDERSTORM OR TWO MAY ALSO BECOME SEVERE WITH STRONG WIND GUSTS POSSIBLE. THERE IS ALSO AN OUTSIDE CHANCE THAT AN ISOLATED AND SHORT LIVED TORNADO MAY OCCUR WITH THE STRONGER THUNDERSTORMS. AS A LOW PRESSURE SYSTEM MOVES CLOSER TO THE AREA TONIGHT AND SUNDAY MORNING STRONG SOUTH WINDS WILL OCCUR. THIS WILL CAUSE MINOR COASTAL FLOODING ESPECIALLY AT HIGH TIDE WHICH WILL OCCUR IN THE EARLY MORNING HOURS OF SUNDAY. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY RAIN WILL END FROM WEST TO EAST SUNDAY AFTERNOON AND EVENING WITH COOLER AND DRIER AIR MOVING IN FOR THE EARLY PORTION OF THE WORK WEEK. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ENCOURAGED TO REPORT ANY FLOODING OR SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE. GMZ430-432-435-450-452-455-470-472-475-301015- SABINE LAKE-CALCASIEU LAKE-VERMILION BAY- COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM- COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM- COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY LA OUT 20 NM- WATERS FROM CAMERON LA TO HIGH ISLAND TX FROM 20 TO 60 NM- WATERS FROM INTRACOASTAL CITY TO CAMERON LA FROM 20 TO 60 NM- WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY LA FROM 20 TO 60 NM- 905 AM CDT SAT SEP 29 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE NORTHWEST GULF OF MEXICO. .DAY ONE...TODAY AND TONIGHT SOUTH WINDS WILL INCREASE WITH BUILDING SEAS, HIGHER TIDES, AND INCREASING THUNDERSTORMS TONIGHT AS A DEEPENING LOW PRESSURE SYSTEM DEVELOPING OVER SOUTH TEXAS MOVES INTO LOUISIANA. A SMALL CRAFT ADVISORY WILL LIKELY BE ISSUED FOR THE COASTAL WATERS. AN ISOLATED WATERSPOUT MAY BE POSSIBLE ACROSS THE COASTAL WATERS THROUGH SUNDAY MORNING. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THUNDERSTORMS WILL END WITH STRONG NORTHWEST WINDS IN THE WAKE OF THIS STORM SYSTEM SUNDAY. WINDS WILL GRADUALLY DIMINISH ON MONDAY AS THE STORM SYSTEM HEADS INTO THE TENNESSEE VALLEY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED FOR THUNDERSTORM RELATED STRONG GUSTS TONIGHT. TINGLER
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 30, 6:52 AM CDT | Special Marine Warning | LCH | 53 min | |
| Sep 30, 7:51 AM CDT | Special Marine Warning | LCH | 54 min | |
| Sep 30, 8:26 AM CDT | Special Marine Warning | LCH | 2 hr | |
| Sep 30, 9:19 AM CDT | Special Weather Statement | LCH | Acadia, Allen, Cameron, Evangeline, Jefferson Davis, Vermilion | 71 min |
| Sep 30, 10:27 AM CDT | Special Marine Warning | LCH | 93 min | |
| Sep 30, 10:30 AM CDT | Special Weather Statement | LCH | Acadia, Evangeline, Lafayette, Saint Landry, Vermilion | 90 min |
| Sep 30, 11:55 AM CDT | Special Weather Statement | LCH | Avoyelles, Lafayette, Saint Landry, Saint Martin, Vermilion | 95 min |
| Sep 30, 11:59 AM CDT | Special Marine Warning | LCH | 70 min | |
| Sep 30, 12:41 PM CDT | Special Weather Statement | LCH | St. Mary | 34 min |
Nearby
Special Weather Statements in Louisiana, 2012Every special weather statement 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.