Alert archive / Louisiana / Special Weather Statements in 2021

Special Weather Statement, NWS Lake Charles, LA

April 14, 2021Saint Landry Parish, Louisiana

NWS Lake Charles, LA issued this special weather statement at Apr 14, 2021, 7:52 AM CDT for Saint Landry Parish, Louisiana. It was in force for 23 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 14, 2021, 7:52 AM CDT (12:52 UTC)
Expired
Apr 14, 2021, 8:15 AM CDT
In force
23 min
Issued by
NWS Lake Charles, LA

County Saint Landry Parish, LA

The radar

The Ft Polk radar (KPOE), 122 km from the middle of the area, began a volume at 12:52 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, 0.9 hours before the alert went out and 149 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-pSkew-T log-p diagram, Lake Charles Mun, LA at 12:00Z on 2021-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 950 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 12:00Z on 2021-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 169 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
950 J/kg
Mixed-layer CIN
-136 J/kg
Mixed-layer LCL
999 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
169 m²/s²
0-3 km storm-relative helicity
164 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

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 Apr 14, 6:50 AM CDT, 1 hour 2 minutes earlier.

Area forecast discussion, Apr 14, 6:50 AM CDT, 1 hour 2 minutes before
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Hazardous weather outlook, Apr 14, 4:40 AM CDT, 3 hours 12 minutes before
Hazardous Weather Outlook
National Weather Service Lake Charles LA
440 AM CDT Wed Apr 14 2021

TXZ180-201-216-259>262-150945-
Tyler-Hardin-Orange-Northern Jasper-Northern Newton-Southern Jasper-
Southern Newton-
440 AM CDT Wed Apr 14 2021

This Hazardous Weather Outlook is for southeast Texas.

.DAY ONE...Today and tonight.
Showers and thunderstorms on tap today as a cold front approaches
from the northwest. There is a slight chance for severe weather with
the main threat from large hail and winds. There is the potential for
an isolated tornado. In addition... heavy rains will have the
potential to produce minor flooding in low lying areas.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Storms will continue on Thursday into Friday. Rain chances will end
on Saturday as a strong Canadian cold front down and into the region.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

LAZ052>054-073-074-150945-
Vermilion-Iberia-St. Mary-West Cameron-East Cameron-
440 AM CDT Wed Apr 14 2021

...COASTAL FLOOD WATCH IN EFFECT UNTIL 11 AM CDT THIS MORNING...
...FLASH FLOOD WATCH IN EFFECT THROUGH THURSDAY MORNING...

This Hazardous Weather Outlook is for south central Louisiana and
southwest Louisiana.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.
   Coastal Flood Watch.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

LAZ027>033-041>045-055-150945-
Vernon-Rapides-Avoyelles-Beauregard-Allen-Evangeline-St. Landry-
Calcasieu-Jefferson Davis-Acadia-Lafayette-Upper St. Martin-
Lower St. Martin-
440 AM CDT Wed Apr 14 2021

...FLASH FLOOD WATCH IN EFFECT THROUGH THURSDAY MORNING...

This Hazardous Weather Outlook is for central Louisiana, south
central Louisiana, southwest Louisiana and west central Louisiana.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

TXZ215-150945-
Jefferson-
440 AM CDT Wed Apr 14 2021

...COASTAL FLOOD WATCH IN EFFECT UNTIL 11 AM CDT THIS MORNING...

This Hazardous Weather Outlook is for southeast Texas.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Coastal Flood Watch.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Storms will continue on Thursday into Friday. Rain chances will end
on Saturday as a strong Canadian cold front down and into the region.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

GMZ430-432-435-450-452-455-470-472-475-150945-
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-
440 AM CDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY FOR WINDS IN EFFECT UNTIL 11 AM CDT THIS
MORNING...

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.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Small Craft Advisory for winds.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Storms will continue on Thursday into Friday. Rain chances will end
on Saturday as a strong Canadian cold front moves down and into the
region. Look for winds and seas to build in behind the frontal
passage.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Apr 14, 6:46 AM CDT, 1 hour 6 minutes before
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Local storm report, Apr 14, 6:59 AM CDT, 53 minutes before
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Local storm report, Apr 14, 7:10 AM CDT, 42 minutes before
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Special weather statement, Apr 14, 7:11 AM CDT, 41 minutes before
Special Weather Statement
National Weather Service Lake Charles LA
711 AM CDT Wed Apr 14 2021

LAZ030-041-TXZ201-215-216-259>262-141315-
Calcasieu LA-Beauregard LA-Orange TX-Jefferson TX-Hardin TX-
Southern Newton TX-Northern Newton TX-Northern Jasper TX-
Southern Jasper TX-
711 AM CDT Wed Apr 14 2021

...SIGNIFICANT WEATHER ADVISORY FOR BEAUREGARD AND WESTERN CALCASIEU
PARISHES...NORTH CENTRAL JEFFERSON...SOUTHERN NEWTON...SOUTHEASTERN
HARDIN...ORANGE AND SOUTHEASTERN JASPER COUNTIES UNTIL 815 AM CDT...

At 710 AM CDT, Doppler radar was tracking a strong thunderstorm over
Lunita, or near Starks, moving east at 55 mph.

Penny size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Beaumont, Orange, Lumberton, Vidor, De Ridder, Bridge City, Silsbee,
West Orange, Vinton, Merryville, Singer, Deweyville, Evadale, De
Quincy, Call, Starks, Fields, Bon Weir, Mauriceville and Buna.

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 3087 9364 3088 9306 3005 9358 3005 9371
      3004 9374 2999 9422 3018 9432
TIME...MOT...LOC 1210Z 261DEG 46KT 3038 9358

K. Kuyper
Special weather statement, Apr 14, 7:16 AM CDT, 36 minutes before
Special Weather Statement
National Weather Service Lake Charles LA
716 AM CDT Wed Apr 14 2021

LAZ029-141245-
Avoyelles LA-
716 AM CDT Wed Apr 14 2021

...SIGNIFICANT WEATHER ADVISORY FOR AVOYELLES PARISH UNTIL 745 AM
CDT...

At 716 AM CDT, Doppler radar was tracking a strong thunderstorm over
Evergreen, or near Bunkie, moving east at 50 mph.

Half inch hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Marksville, Bunkie, Simmesport, Moreauville, Bordelonville,
Cottonport, Mansura, Hessmer, Evergreen, Plaucheville, Goudeau, Lake
Ophelia National Wildlife Refuge, Dupont, Big Bend and Hamburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3126 9185 3127 9184 3122 9178 3120 9168
      3117 9168 3116 9170 3114 9172 3110 9170
      3109 9172 3107 9171 3105 9172 3098 9180
      3089 9180 3085 9218 3112 9223 3124 9195
      3122 9194 3123 9192 3124 9194 3127 9186
TIME...MOT...LOC 1216Z 256DEG 43KT 3095 9211
Special weather statement, Apr 14, 7:52 AM CDT, 0 minutes before
Special Weather Statement
National Weather Service Lake Charles LA
752 AM CDT Wed Apr 14 2021

LAZ033-141315-
St. Landry LA-
752 AM CDT Wed Apr 14 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN ST. LANDRY PARISH
UNTIL 815 AM CDT...

At 751 AM CDT, Doppler radar was tracking a strong thunderstorm near
Lebeau, or near Palmetto, moving east at 45 mph.

Half inch hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Melville, Palmetto, Bayou Current, Morrow, Washington, Big Cane and
Lebeau.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3066 9175 3063 9174 3062 9175 3059 9175
      3058 9208 3084 9213 3085 9182 3084 9180
      3081 9181 3078 9177 3076 9175 3074 9176
      3071 9173 3067 9173
TIME...MOT...LOC 1251Z 264DEG 38KT 3069 9201

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 7:10 PM CDTSevere Thunderstorm WarningLCHSaint Martin, St. Mary20 min
Apr 13, 8:30 PM CDTSmall Craft AdvisoryLCH15 hr
Apr 13, 9:58 PM CDTRiver Flood WarningLCHAcadia, Evangeline, Saint Landry7 days
Apr 14, 1:29 AM CDTCoastal Flood WatchLCHCameron4 hr
Apr 14, 4:42 AM CDTSpecial Weather StatementLCHAcadia, Jefferson Davis33 min
Apr 14, 5:43 AM CDTCoastal Flood WarningLCHCameron5 hr
Apr 14, 6:28 AM CDTSevere Thunderstorm WarningLCHBeauregard, Vernon47 min
Apr 14, 7:00 AM CDTSevere Thunderstorm WarningLCHAcadia, Lafayette, Saint Landry, Saint Martin30 min
Apr 14, 7:11 AM CDTSpecial Weather StatementLCHBeauregard64 min
Apr 14, 7:16 AM CDTSpecial Weather StatementLCHAvoyelles29 min
Apr 14, 7:36 AM CDTSevere Thunderstorm WarningLCHCalcasieu54 min
Apr 14, 7:57 AM CDTSevere Thunderstorm WarningLCHAllen, Beauregard, Calcasieu, Cameron, Jefferson Davis63 min
Apr 14, 8:14 AM CDTSpecial Weather StatementLCHSt. Mary31 min
Apr 14, 8:32 AM CDTSevere Thunderstorm WarningLCHSaint Martin, St. Mary32 min
Apr 14, 9:00 AM CDTSevere Thunderstorm WarningLCHCalcasieu, Cameron, Jefferson Davis45 min
Apr 14, 9:34 AM CDTRiver Flood WarningLCHLafayette, Saint Martin, Vermilion6 days
Apr 14, 9:34 AM CDTRiver Flood WarningLCHCalcasieu6 days
Apr 14, 9:34 AM CDTRiver Flood WarningLCHLafayette, Saint Landry, Saint Martin36 hr
Apr 14, 9:34 AM CDTRiver Flood WarningLCHAcadia, Jefferson Davis, Vermilion21 days
Apr 14, 9:34 AM CDTRiver Flood WarningLCHRapides21 days
Apr 14, 9:34 AM CDTRiver Flood WarningLCHAcadia, Allen, Evangeline, Jefferson Davis21 days
Apr 14, 9:42 AM CDTSpecial Weather StatementLCHVermilion48 min
Apr 14, 9:49 AM CDTSpecial Weather StatementLCHVermilion41 min
Apr 14, 10:36 AM CDTSpecial Weather StatementLCHVermilion24 min
Apr 14, 11:07 AM CDTSpecial Marine WarningLCH53 min
Apr 14, 4:30 PM CDTSpecial Weather StatementLCHCalcasieu45 min
Apr 14, 4:40 PM CDTRiver Flood WarningLCHBeauregard, Calcasieu38 hr
Apr 14, 4:40 PM CDTRiver Flood WarningLCHCalcasieu8 hr
Apr 14, 6:00 AM CDTSpecial Weather StatementLCHHardin, Jasper, Newton30 min
Apr 14, 6:31 AM CDTSpecial Weather StatementLCHOrange29 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.