Alert archive / Louisiana / Special Weather Statements in 2021
Special Weather Statement, NWS Lake Charles, LA
NWS Lake Charles, LA issued this special weather statement at Apr 13, 2021, 7:07 AM CDT for Allen Parish, Louisiana. It was in force for 38 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
- Apr 13, 2021, 7:07 AM CDT (12:07 UTC)
- Expired
- Apr 13, 2021, 7:45 AM CDT
- In force
- 38 min
- Issued by
- NWS Lake Charles, LA
County Allen Parish, LA
The radar
The Ft Polk radar (KPOE), 41 km from the middle of the area, began a volume at 12:11 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, 0.1 hours before the alert went out and 85 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
- 2326 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 457 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 184 m²/s²
- 0-3 km storm-relative helicity
- 158 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 8.9
The text
As transmitted.
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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 Apr 13, 6:49 AM CDT, 18 minutes earlier.
Area forecast discussion, Apr 13, 6:49 AM CDT, 18 minutes before
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</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.
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Please try again in a few minutes.
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</html>Hazardous weather outlook, Apr 13, 4:20 AM CDT, 2 hours 47 minutes before
Hazardous Weather Outlook National Weather Service Lake Charles LA 420 AM CDT Tue Apr 13 2021 LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-140930- 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- 420 AM CDT Tue Apr 13 2021 This Hazardous Weather Outlook is for central Louisiana, south central Louisiana, southwest Louisiana, west central Louisiana and southeast Texas. .DAY ONE...Today and tonight. There is a slight risk for severe thunderstorms today and tonight across the area with the main threat being hail followed by wind damage and an isolated tornado is possible. In addition...moderate to occasional heavy rain could cause some isolated flooding of low lying areas. When thunderstorms roar...stay indoors! Increased cloud to ground lightning can be expected. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. The threat of localized flooding is an ongoing concern across the extreme eastern part of central and south central Louisiana Wednesday and Wednesday night with lingering rains through Friday. A Flood watch may be needed if forecast rain amounts significantly change or expand. Otherwise...increased cloud to ground lightning will be possible through Friday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. GMZ430-432-435-450-452-455-470-472-475-140930- 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- 420 AM CDT Tue Apr 13 2021 This Hazardous Weather Outlook is for the Gulf of Mexico and the coastal lakes and bays of the Gulf of Mexico. .DAY ONE...Today and tonight. The probability for widespread hazardous weather is low. However... showers and thunderstorms will be on the increase with higher winds and seas near the stronger thunderstorms. Cloud to ground lightning will be on the increase. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. The probability for widespread hazardous weather is low. A cool front will move into the coastal waters late Wednesday. Winds and seas will be elevated Wednesday night and Thursday as high pressure begins to build in behind the cold front. At least some chance of showers and thunderstorms will be evident each day at least through early Saturday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Special weather statement, Apr 13, 6:47 AM CDT, 20 minutes before
Special Weather Statement
National Weather Service Lake Charles LA
647 AM CDT Tue Apr 13 2021
LAZ030-131230-
Beauregard LA-
647 AM CDT Tue Apr 13 2021
...SPECIAL WEATHER STATEMENT...
At 647 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Longville to near Bancroft. Movement was
northeast at 20 mph.
Half inch hail and winds in excess of 30 mph will be possible with
these storms.
Locations impacted include...
De Ridder, Merryville, Singer, Longville, Bivens, Tulla and Bundick
Lake.
LAT...LON 3054 9330 3054 9368 3080 9354 3083 9341
3085 9307 3081 9299
TIME...MOT...LOC 1147Z 233DEG 19KT 3067 9325 3057 9364
06Special weather statement, Apr 13, 7:07 AM CDT, 0 minutes before
Special Weather Statement
National Weather Service Lake Charles LA
707 AM CDT Tue Apr 13 2021
LAZ030-031-131245-
Allen LA-Beauregard LA-
707 AM CDT Tue Apr 13 2021
...SPECIAL WEATHER STATEMENT...
At 707 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Mittie to near Oberlin. Movement was
northeast at 20 mph.
Half inch hail and winds in excess of 30 mph will be possible with
these storms.
Locations impacted include...
Oakdale, Elizabeth, Mittie and Grant.
LAT...LON 3083 9266 3059 9283 3068 9305 3088 9295
3088 9283 3089 9282 3089 9280
TIME...MOT...LOC 1207Z 210DEG 18KT 3072 9298 3066 9282
06The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 6:47 AM CDT | Special Weather Statement | LCH | Beauregard | 43 min |
| Apr 13, 7:26 AM CDT | Special Weather Statement | LCH | Allen, Beauregard, Evangeline, Vernon | 49 min |
| Apr 13, 8:29 AM CDT | Special Weather Statement | LCH | Evangeline | 61 min |
| Apr 13, 9:10 AM CDT | Special Weather Statement | LCH | Saint Landry | 50 min |
| Apr 13, 10:56 AM CDT | Special Weather Statement | LCH | Acadia | 49 min |
| Apr 13, 11:46 AM CDT | Special Weather Statement | LCH | Lafayette, Saint Martin | 44 min |
| Apr 13, 12:33 PM CDT | Special Weather Statement | LCH | Saint Martin | 57 min |
| Apr 13, 12:53 PM CDT | Flash Flood Warning | LCH | Iberia, Lafayette, Saint Martin, St. Mary, Vermilion | 6 hr |
| Apr 13, 1:09 PM CDT | River Flood Warning | LCH | Lafayette, Saint Martin, Vermilion | 18 hr |
| Apr 13, 1:33 PM CDT | Special Weather Statement | LCH | Saint Martin | 57 min |
| Apr 13, 2:24 PM CDT | Special Weather Statement | LCH | Saint Martin | 51 min |
| Apr 13, 2:47 PM CDT | Flash Flood Warning | LCH | Iberia, Saint Martin, St. Mary | 4 hr |
| Apr 13, 2:55 PM CDT | Special Weather Statement | LCH | St. Mary | 65 min |
| Apr 13, 3:31 PM CDT | Flash Flood Watch | LCH | Allen, Avoyelles, Beauregard, Cameron, Evangeline, Lafayette and 4 more | 4 days |
| Apr 13, 4:33 PM CDT | Special Marine Warning | LCH | 27 min | |
| Apr 13, 5:16 PM CDT | Special Marine Warning | LCH | 59 min | |
| Apr 13, 5:20 PM CDT | Special Weather Statement | LCH | Lafayette | 40 min |
| Apr 13, 6:49 PM CDT | Special Weather Statement | LCH | Assumption | 41 min |
| Apr 13, 6:53 PM CDT | Special Marine Warning | LCH | 67 min |
Nearby
Special Weather Statements in Louisiana, 2021Every special weather statement in 2021
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.