Alert archive / Louisiana / Special Weather Statements in 2021

Special Weather Statement, NWS Lake Charles, LA

May 29, 2021Beauregard Parish, Louisiana

NWS Lake Charles, LA issued this special weather statement at May 29, 2021, 3:21 PM CDT for Beauregard Parish, Louisiana. It was in force for 24 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, 3:21 PM CDT (20:21 UTC)
Expired
May 29, 2021, 3:45 PM CDT
In force
24 min
Issued by
NWS Lake Charles, LA

County Beauregard Parish, LA

The radar

The Lake Charles radar (KLCH), 54 km from the middle of the area, began a volume at 20:24 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, 8.4 hours before the alert went out and 55 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 2021-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1233 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°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 2021-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.1939Sfc1 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
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.

381 
WWUS84 KLCH 292021
SPSLCH

Special Weather Statement
National Weather Service Lake Charles LA
321 PM CDT Sat May 29 2021
 
LAZ030-292045-
Beauregard LA-
321 PM CDT Sat May 29 2021

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL BEAUREGARD PARISH UNTIL
345 PM CDT...

At 320 PM CDT, Doppler radar was tracking a strong thunderstorm near
Longville, or near Singer, moving east at 5 mph.

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

Locations impacted include...
Ragley and Longville. 

LAT...LON 3058 9344 3070 9336 3067 9311 3047 9323
TIME...MOT...LOC 2020Z 291DEG 6KT 3064 9332 

$$

Jones

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 12:36 PM CDTFlash Flood WarningLCHCalcasieu3 hr
May 29, 1:41 PM CDTSpecial Weather StatementLCHCameron34 min
May 29, 1:44 PM CDTSpecial Weather StatementLCHVermilion31 min
May 29, 2:15 PM CDTSpecial Weather StatementLCHVermilion30 min
May 29, 3:18 PM CDTSpecial Weather StatementLCHCalcasieu27 min
May 29, 3:27 PM CDTSevere Thunderstorm WarningLCHBeauregard18 min
May 29, 3:36 PM CDTSpecial Weather StatementLCHBeauregard24 min
May 29, 3:47 PM CDTSpecial Weather StatementLCHCameron28 min
May 29, 3:55 PM CDTSpecial Weather StatementLCHAllen35 min
May 29, 4:06 PM CDTSpecial Weather StatementLCHAllen24 min
May 29, 4:23 PM CDTSevere Thunderstorm WarningLCHAllen, Evangeline18 min
May 29, 4:24 PM CDTSpecial Weather StatementLCHCameron51 min
May 29, 5:53 PM CDTSpecial Marine WarningLCH55 min
May 29, 5:56 PM CDTSpecial Weather StatementLCHOrange49 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.