Alert archive / Louisiana / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 54, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Aug 11, 2014, 7:33 PM CDT for Acadia Parish, Jefferson Davis Parish, Vermilion Parish, Louisiana. It was in force for 57 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 11, 2014, 7:33 PM CDT (00:33 UTC)
- Expired
- Aug 11, 2014, 8:30 PM CDT
- In force
- 57 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
Counties Acadia Parish, LA, Jefferson Davis Parish, LA, Vermilion Parish, LA
The radar
The Lake Charles radar (KLCH), 68 km from the middle of the area, began a volume at 00:37 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, 0.6 hours before the alert went out and 66 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
- 3614 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1057 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Aug 11, 6:31 PM CDT, 1 hour 2 minutes earlier.
Area forecast discussion, Aug 11, 6:31 PM CDT, 1 hour 2 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 631 PM CDT MON AUG 11 2014 .AVIATION...A COLD FRONT AROUND THE ARKLATEX IS PUSHING A BAND OF SHOWERS AND THUNDERSTORMS OUT AHEAD CURRENTLY AFFECTING AEX. THIS BAND IS PROGRESSING SOUTHWARD AT 25 KNOTS AND SHOULD BE AFFECTING THE SOUTHERN TERMINALS WITHIN A COUPLE OF HOURS. TEMPO MVFR WITH THE TSTMS. VFR WITH LIGHT WINDS AFTER 03Z. SWEENEY && .PREV DISCUSSION... /ISSUED 258 PM CDT MON AUG 11 2014/ SYNOPSIS... A HIGH PLAINS COLD FRONT WILL TRAVEL SOUTHWARD...SPILLING THROUGH NORTHERN LOUISIANA JUST AFTER MIDNIGHT TUESDAY...BEFORE REACHING A BATON ROUGE-LAFAYETTE-GALVESTON LINE BY TUESDAY AFTERNOON. THE FRONT WILL SEEP FURTHER SOUTHWARD INTO THE COASTAL WATERS BY TUESDAY EVENING...WHERE IT SUBSEQUENTLY STALLS. FURTHER UP...A WARM ANTICYCLONE...OVER THE LEESIDE OF THE COLORADO- NEW MEXICO ROCKIES...RIDGES SOUTHEAST THROUGH DEEP SOUTH TEXAS. THE ANTICYCLONE WILL PROPAGATE EASTWARD...WHILE ERODING POLEWARD... REACHING NORTH CENTRAL TEXAS ON THURSDAY...BEFORE TAKING ON A MORE ZONAL ORIENTATION. DISCUSSION... NORTHWESTERLY SHORTWAVES CONTINUE SLIDING DOWN THE OUTER EASTERN PERIPHERY OF THE WARM ANTICYCLONE RIDGE...ROLLING ALONG AN OKLAHOMA TO SW LOUISIANA TRACK. THEIR ASSOCIATED PVA LIFT WILL GIVE AN ADDED BOOST TO THE FRONTAL LIFT WITHIN THE WARM SECTOR WEDGE ACROSS THE FORECAST AREA. NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED TONIGHT. WITH THE PRECIPITABLE WATER RUNNING ABOUT 150 PERCENT OF NORMAL (NEAR 2.25 INCHES)...SOME SHOWERS WILL BE VERY HEAVY. LOCALIZED FLOODING IS POSSIBLE. FOR TUESDAY...A TEXAS DRY-AIR INTRUSION WILL WORK ITS WAY EASTWARD ..AS THE FRONT EXITS INTO THE COASTAL WATERS. RAIN WILL TAPER OFF ACCORDINGLY. DRIER (SLIGHTLY COOLER) AIR WILL SEEP INTO THE FORECAST AREA BY TUESDAY EVENING. OUTLOOK... THE BERMUDA HIGH PRESSURE SYSTEM WILL RE-BUILD WESTWARD THROUGH THE NORTHERN GULF OF MEXICO ON THURSDAY...SHOVING THE STATIONARY FRONT TOWARD THE LOUISIANA COAST. THE TRAVELING (WARM) FRONT WILL ENTER CENTRAL LOUISIANA AROUND MIDNIGHT FRIDAY...BEFORE STALLING ACROSS NORTHERN LOUISIANA BY EARLY MORNING FRIDAY. ANOTHER ROUND OF NORTHWESTERLY SHORTWAVES WILL BRING ABOUT SCATTERED SHOWERS AND THUNDERSTORMS FOR SUNDAY AND MONDAY. MARINE... SLIGHTLY-CONFUSED SEAS ARE EXPECTED ON TUESDAY...AS NEWLY-GENERATED WESTERLY WIND WAVES (ASSOCIATED WITH AFOREMENTIONED COLD FRONT) OPPOSE THE TYPICAL SOUTHEASTERLY SWELL WAVES (ASSOCIATED WITH THE BERMUDA HIGH PRESSURE SYSTEM). THE CONFUSED SEAS WILL PERSIST INTO WEDNESDAY...AS THE WESTERLY WIND WAVES BECOME MORE NORTHERLY...FURTHER OPPOSING THE TYPICAL SOUTHEASTERLY SWELL WAVES. 21 && .PRELIMINARY POINT TEMPS/POPS... KLCH 76 92 74 90 73 / 80 40 20 10 10 KBPT 76 92 74 91 74 / 70 40 20 10 10 KAEX 74 91 70 89 68 / 80 10 10 10 10 KLFT 76 90 75 90 72 / 80 50 20 10 10 && .LCH WATCHES/WARNINGS/ADVISORIES... LA...NONE. TX...NONE. GM...NONE. && FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT: WWW.FACEBOOK.COM/NWSLAKECHARLES WWW.TWITTER.COM/NWSLAKECHARLES WWW.YOUTUBE.COM/NWSLAKECHARLES &&
Hazardous weather outlook, Aug 11, 3:18 PM CDT, 4 hours 15 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAKE CHARLES LA 318 PM CDT MON AUG 11 2014 GMZ430-432-435-LAZ027>033-041>045-052>055-073-074-TXZ180-201-215- 216-259>262-122030- SABINE LAKE-CALCASIEU LAKE-VERMILION BAY-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- 318 PM CDT MON AUG 11 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE NORTHWEST GULF OF MEXICO...CENTRAL LOUISIANA...SOUTH CENTRAL LOUISIANA... SOUTHWEST LOUISIANA...WEST CENTRAL LOUISIANA AND SOUTHEAST TEXAS. .DAY ONE...THIS AFTERNOON AND TONIGHT A HIGH PLAINS COLD FRONT WILL TRAVEL SOUTHWARD...SPILLING THROUGH NORTHERN LOUISIANA JUST AFTER MIDNIGHT...BEFORE REACHING A BATON ROUGE-LAFAYETTE-GALVESTON LINE BY TUESDAY AFTERNOON. NUMEROUS PRE-FRONTAL SHOWERS AND THUNDERSTORMS WILL MOVE INTO THE PINEY HILLS AND LAKES REGION BY EARLY THIS EVENING...WORKING THEIR WAY TO THE COAST BY LATE EVENING. VERY HEAVY RAINFALL MAY BRING ABOUT LOCALIZED FLOODING. FREQUENT LIGHTNING IS ALSO EXPECTED ALONG WITH GUSTY WINDS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY NUMEROUS PRE-FRONTAL SHOWERS AND THUNDERSTORMS WILL BE FOUND ACROSS SOUTH CENTRAL LOUISIANA EARLY TUESDAY MORNING...TAPERING OFF BY THE EARLY AFTERNOON. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. GMZ450-452-455-470-472-475-122030- 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- 318 PM CDT MON AUG 11 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE NORTHWEST GULF OF MEXICO. .DAY ONE...THIS AFTERNOON AND TONIGHT A HIGH PLAINS COLD FRONT WILL TRAVEL SOUTHWARD...SPILLING THROUGH NORTHERN LOUISIANA JUST AFTER MIDNIGHT TUESDAY...BEFORE REACHING A BATON ROUGE-LAFAYETTE-GALVESTON LINE BY TUESDAY AFTERNOON. THE FRONT WILL SEEP FURTHER SOUTHWARD INTO THE COASTAL WATERS BY TUESDAY EVENING...WHERE IT SUBSEQUENTLY STALLS. SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE TONIGHT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY NUMEROUS SHOWERS AND THUNDERSTORMS WILL BE FOUND ACROSS THE COASTAL WATERS BY TUESDAY MORNING...TAPERING OFF DURING THE AFTERNOON. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
In the hours before
Special weather statement, Aug 11, 6:37 PM CDT, 56 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Special weather statement, Aug 11, 6:44 PM CDT, 49 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Special weather statement, Aug 11, 7:15 PM CDT, 18 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Local storm report, Aug 11, 7:17 PM CDT, 16 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Local storm report, Aug 11, 7:27 PM CDT, 6 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Local storm report, Aug 11, 7:30 PM CDT, 3 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 7:15 PM CDT | Special Weather Statement | LCH | Acadia | 30 min |
| Aug 11, 7:51 PM CDT | Areal Flood Advisory | LCH | Acadia, Jefferson Davis | 54 min |
| Aug 11, 8:06 PM CDT | Special Weather Statement | LCH | Cameron | 24 min |
| Aug 11, 8:08 PM CDT | Special Marine Warning | LCH | 37 min | |
| Aug 11, 8:14 PM CDT | Special Weather Statement | LCH | Calcasieu | 31 min |
| Aug 11, 8:30 PM CDT | Areal Flood Advisory | LCH | Calcasieu | 60 min |
| Aug 11, 8:42 PM CDT | Areal Flood Advisory | LCH | Acadia, Jefferson Davis, Vermilion | 63 min |
| Aug 11, 8:50 PM CDT | Special Marine Warning | LCH | 55 min | |
| Aug 12, 10:36 AM CDT | Special Marine Warning | LCH | 84 min | |
| Aug 11, 8:21 PM CDT | Special Weather Statement | LCH | Jefferson | 24 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2014Every severe thunderstorm warning in 2014
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.