Alert archive / Louisiana / Special Weather Statements in 2021

Special Weather Statement, NWS Lake Charles, LA

June 6, 2021Beauregard Parish, Vernon Parish, Louisiana; Newton County, Texas

NWS Lake Charles, LA issued this special weather statement at Jun 6, 2021, 8:21 AM CDT for Beauregard Parish, Vernon Parish, Louisiana; Newton County, Texas. It was in force for 54 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
Jun 6, 2021, 8:21 AM CDT (13:21 UTC)
Expired
Jun 6, 2021, 9:15 AM CDT
In force
54 min
Issued by
NWS Lake Charles, LA

Counties Beauregard Parish, LA, Vernon Parish, LA, Newton County, TX

The radar

The Ft Polk radar (KPOE), 38 km from the middle of the area, began a volume at 13:21 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, 1.4 hours before the alert went out and 93 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 2021-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1676 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 2021-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 square meters per square second.19395878Sfc1 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
1676 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
619 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.2

Open this sounding in Storm Lab

The text

As transmitted.

449 
WWUS84 KLCH 061321
SPSLCH

Special Weather Statement
National Weather Service Lake Charles LA
821 AM CDT Sun Jun 6 2021
 
LAZ027-030-041-TXZ260-262-061415-
Calcasieu LA-Beauregard LA-Vernon LA-Southern Newton TX-
Northern Newton TX-
821 AM CDT Sun Jun 6 2021

...SIGNIFICANT WEATHER ADVISORY FOR BEAUREGARD...NORTHWESTERN
CALCASIEU...SOUTHERN VERNON PARISHES IN WEST CENTRAL LOUISIANA AND
EASTERN NEWTON COUNTIES UNTIL 915 AM CDT...

At 817 AM CDT, Doppler radar was tracking a strong thunderstorms in 
Beauregard... Vernon parishes and in southeast Texas Newton county, 
moving north at 15 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
De Ridder, Leesville, Newton, Rosepine, Merryville, Singer, Fort
Polk, Sugartown, De Quincy, Ragley, Toledo Bend Dam, Fields, Bon
Weir, Pitkin, Burkeville, New Llano, Lunita, Bivens, Mayflower and
Devils Pocket.

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 3100 9282 3098 9283 3088 9291 3088 9298
      3080 9298 3028 9341 3038 9381 3117 9377
      3118 9360 3117 9358 3119 9355 3123 9354
      3123 9353
TIME...MOT...LOC 1317Z 198DEG 12KT 3063 9348 

$$

K. Kuyper

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 5:45 AM CDTSpecial Weather StatementLCHBeauregard60 min
Jun 6, 6:16 AM CDTSpecial Weather StatementLCHCalcasieu, Cameron89 min
Jun 6, 7:04 AM CDTSpecial Weather StatementLCHBeauregard71 min
Jun 6, 7:39 AM CDTFlash Flood WarningLCHBeauregard3 hr
Jun 6, 7:53 AM CDTSpecial Weather StatementLCHCalcasieu, Cameron82 min
Jun 6, 9:00 AM CDTSpecial Weather StatementLCHJefferson Davis45 min
Jun 6, 9:18 AM CDTTornado WarningLCHCameron27 min
Jun 6, 10:27 AM CDTSpecial Weather StatementLCHAcadia48 min
Jun 6, 11:00 AM CDTSpecial Weather StatementLCHSaint Landry45 min
Jun 6, 11:45 AM CDTSpecial Weather StatementLCHSaint Landry45 min

Nearby

Special Weather Statements in Louisiana, 2021Special Weather Statements in Texas, 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.