Alert archive / Louisiana / Special Weather Statements in 2021

Special Weather Statement, NWS Lake Charles, LA

June 22, 2021Vermilion Parish, Louisiana

NWS Lake Charles, LA issued this special weather statement at Jun 22, 2021, 10:34 AM CDT for Vermilion Parish, Louisiana. It was in force for 41 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 22, 2021, 10:34 AM CDT (15:34 UTC)
Expired: Jun 22, 2021, 11:15 AM CDT
In force: 41 min
Issued by: NWS Lake Charles, LA

County Vermilion Parish, LA

The radar

The Lake Charles radar (KLCH), 76 km from the middle of the area, began a volume at 15:35 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 3.6 hours before the alert went out and 273 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: 962 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 812 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 62 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

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 Jun 22, 7:00 AM CDT, 3 hours 34 minutes earlier.

Area forecast discussion, Jun 22, 7:00 AM CDT, 3 hours 34 minutes before

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Hazardous weather outlook, Jun 22, 4:09 AM CDT, 6 hours 25 minutes before

Hazardous Weather Outlook
National Weather Service Lake Charles LA
409 AM CDT Tue Jun 22 2021

LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-230915-
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-
409 AM CDT Tue Jun 22 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 will be expected to persist over
the area this morning and thru the rest of the day. An arriving
front from the north will lead to high chances for thunderstorms in
the early morning on Tuesday.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Scattered to widespread showers and thunderstorms will develop along
a decaying frontal boundary Tuesday and Wednesday. Additional rounds
of scattered showers and thunderstorms will develop each afternoon
Thursday through Saturday with the highest probabilities across
southwest and south central Louisiana. While widespread severe
weather is not expected, some of these storms will have the
potential
to produce gusty winds, torrential rain and frequent lightning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

GMZ430-432-435-450-452-455-470-472-475-230915-
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-
409 AM CDT Tue Jun 22 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 expected to persist over
the area into the night. An arriving front from the north will lead
to high chances for thunderstorms in the early morning on Tuesday.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Scattered to numerous showers and thunderstorms are anticipated
through Wednesday, with activity becoming more widely scattered
through the end of the week. Stronger storms will be capable of
producing locally higher winds and seas, torrential rain and
frequent lightning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Jun 22, 5:30 AM CDT, 5 hours 4 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
530 AM CDT Tue Jun 22 2021

LAZ030-041-073-TXZ180-216-259>262-221100-
Calcasieu LA-West Cameron LA-Beauregard LA-Orange TX-
Southern Newton TX-Northern Newton TX-Northern Jasper TX-
Southern Jasper TX-Tyler TX-
530 AM CDT Tue Jun 22 2021

...SPECIAL WEATHER STATEMENT...

At 529 AM CDT, Doppler radar was tracking a strong thunderstorm near
Devils Pocket, or 11 miles north of Deweyville, moving south at 20
mph.

Winds in excess of 30 mph will be possible with this storm.

Locations impacted include...
Orange, Vidor, Bridge City, West Orange, Vinton, Kirbyville,
Merryville, Deweyville, Johnsons Bayou, De Quincy, Call, Starks,
Sabine National Wildlife, Fields, Bon Weir, Mauriceville, Buna, Gist,
Trout Creek and Lunita.

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 2981 9386 2985 9379 2997 9376 2999 9380
      3000 9379 2998 9383 2999 9386 2997 9385
      2999 9391 3072 9414 3075 9346 2988 9337
      2988 9341 2986 9344 2982 9337 2976 9336
      2977 9348 2974 9375 2970 9382
TIME...MOT...LOC 1029Z 344DEG 17KT 3047 9376

K. Kuyper

Special weather statement, Jun 22, 6:13 AM CDT, 4 hours 21 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
613 AM CDT Tue Jun 22 2021

LAZ030-041-073-TXZ216-261-262-221200-
Calcasieu LA-West Cameron LA-Beauregard LA-Orange TX-
Southern Newton TX-Southern Jasper TX-
613 AM CDT Tue Jun 22 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CAMERON...
SOUTHWESTERN BEAUREGARD AND WESTERN CALCASIEU PARISHES...SOUTHWESTERN
NEWTON...ORANGE AND SOUTHEASTERN JASPER COUNTIES UNTIL 700 AM CDT...

At 613 AM CDT, Doppler radar was tracking a strong thunderstorm over
Lunita, or near Starks, moving south at 15 mph.

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

Locations impacted include...
Orange, Vidor, Bridge City, West Orange, Vinton, Deweyville, Johnsons
Bayou, De Quincy, Starks, Sabine National Wildlife, Fields,
Mauriceville, Buna, Gist, Lunita, Hartburg, Toomey, Edgerly, Wrights
Settlement 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 2982 9384 2985 9379 2997 9376 3000 9379
      2998 9383 2999 9386 2997 9385 3000 9392
      3043 9410 3052 9372 3053 9373 3061 9345
      2985 9335 2988 9339 2986 9344 2982 9339
      2982 9335 2978 9335 2972 9380
TIME...MOT...LOC 1113Z 349DEG 15KT 3034 9361

K. Kuyper

Special weather statement, Jun 22, 6:57 AM CDT, 3 hours 37 minutes before

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Special weather statement, Jun 22, 10:34 AM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 7:14 PM CDT	Special Weather Statement	LCH	Evangeline	31 min
Jun 21, 7:17 PM CDT	Flash Flood Warning	LCH	Allen, Evangeline	3 hr
Jun 21, 7:59 PM CDT	Special Weather Statement	LCH	Avoyelles	46 min
Jun 22, 6:57 AM CDT	Special Weather Statement	LCH	Allen, Jefferson Davis	33 min
Jun 22, 7:39 AM CDT	Flash Flood Warning	LCH	Acadia, Allen, Beauregard, Evangeline, Jefferson Davis, Saint Landry	2 hr
Jun 22, 12:28 PM CDT	Special Weather Statement	LCH	St. Mary	47 min
Jun 22, 3:15 PM CDT	Flash Flood Warning	LCH	Calcasieu	3 hr
Jun 22, 4:27 AM CDT	Special Weather Statement	LCH	Hardin	48 min
Jun 22, 5:30 AM CDT	Special Weather Statement	LCH	Orange	30 min
Jun 22, 6:13 AM CDT	Special Weather Statement	LCH	Orange	47 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.