Alert archive / Louisiana / Special Weather Statements in 2021

Special Weather Statement, NWS Lake Charles, LA

May 29, 2021Vermilion Parish, Louisiana

NWS Lake Charles, LA issued this special weather statement at May 29, 2021, 1:44 PM CDT for Vermilion Parish, Louisiana. It was in force for 31 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: May 29, 2021, 1:44 PM CDT (18:44 UTC)
Expired: May 29, 2021, 2:15 PM CDT
In force: 31 min
Issued by: NWS Lake Charles, LA

County Vermilion Parish, LA

The radar

The Lake Charles radar (KLCH), 73 km from the middle of the area, began a volume at 18:49 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, 6.7 hours before the alert went out and 71 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1233 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 913 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 35 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 May 29, 12:27 PM CDT, 1 hour 17 minutes earlier.

Area forecast discussion, May 29, 12:27 PM CDT, 1 hour 17 minutes before

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</head>
<body>
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    <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>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, May 29, 4:27 AM CDT, 9 hours 17 minutes before

Hazardous Weather Outlook
National Weather Service Lake Charles LA
427 AM CDT Sat May 29 2021

LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-300930-
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-
427 AM CDT Sat May 29 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.

Scattered showers and thunderstorms are expected to develop across
southeast Texas and southwest Louisiana today as a cold front moves
into the area. The probability of severe thunderstorms is low.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Shower and thunderstorm chances will increase by Tuesday, with higher
then normal rain chances expected through the remainder of the week.

At this time, the risk of widespread hazardous weather is very low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

GMZ430-432-435-450-452-455-470-472-475-300930-
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-
427 AM CDT Sat May 29 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.

Scattered showers and thunderstorms will be possible today. The
storms will be accompanied by locally higher winds and seas, along
with possible brief heavy rains lowering visibilities. The risk of
severe thunderstorms is very low.

Showers and storms are expected to end by early this evening.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Scattered showers and thunderstorms will be possible from Tuesday
through Friday. Storms may be accompanied by locally higher winds
and seas, along with possible brief heavy rains lowering
visibilities.

Otherwise, the risk of widespread hazardous weather is very low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, May 29, 1:41 PM CDT, 3 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
141 PM CDT Sat May 29 2021

LAZ074-291915-
East Cameron LA-
141 PM CDT Sat May 29 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN CAMERON PARISH UNTIL
215 PM CDT...

At 141 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Lacassine National Wildlife Refuge to 8
miles south of Lowry. Movement was southeast at 15 mph.

Nickel size hail and winds in excess of 30 mph will be possible with
these storms.

Locations impacted include...
Klondike, Lacassine National Wildlife Refuge and Lowry.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 2981 9297 3004 9299 3004 9263 2985 9261
      2982 9262
TIME...MOT...LOC 1841Z 320DEG 11KT 2996 9298 2991 9273

Jones

Special weather statement, May 29, 1:44 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
144 PM CDT Sat May 29 2021

LAZ052-291915-
Vermilion LA-
144 PM CDT Sat May 29 2021

...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL VERMILION PARISH
UNTIL 215 PM CDT...

At 144 PM CDT, Doppler radar was tracking a strong thunderstorm 10
miles northwest of Pecan Island. This storm was nearly stationary.

Nickel size hail and winds in excess of 30 mph will be possible with
this storm.

This storm will remain over mainly rural areas of west central
Vermilion Parish.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 2977 9262 2984 9262 2987 9261 2988 9246
      2974 9243 2973 9256
TIME...MOT...LOC 1844Z 161DEG 2KT 2978 9252

Jones

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 29, 12:36 PM CDT	Flash Flood Warning	LCH	Calcasieu	3 hr
May 29, 1:41 PM CDT	Special Weather Statement	LCH	Cameron	34 min
May 29, 2:15 PM CDT	Special Weather Statement	LCH	Vermilion	30 min
May 29, 3:18 PM CDT	Special Weather Statement	LCH	Calcasieu	27 min
May 29, 3:21 PM CDT	Special Weather Statement	LCH	Beauregard	24 min
May 29, 3:27 PM CDT	Severe Thunderstorm Warning	LCH	Beauregard	18 min
May 29, 3:36 PM CDT	Special Weather Statement	LCH	Beauregard	24 min
May 29, 3:47 PM CDT	Special Weather Statement	LCH	Cameron	28 min
May 29, 3:55 PM CDT	Special Weather Statement	LCH	Allen	35 min
May 29, 4:06 PM CDT	Special Weather Statement	LCH	Allen	24 min
May 29, 4:23 PM CDT	Severe Thunderstorm Warning	LCH	Allen, Evangeline	18 min
May 29, 4:24 PM CDT	Special Weather Statement	LCH	Cameron	51 min
May 29, 5:53 PM CDT	Special Marine Warning	LCH		55 min
May 29, 5:56 PM CDT	Special Weather Statement	LCH	Orange	49 min

Nearby

Special Weather Statements in Louisiana, 2021 Every 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.