Alert archive / Louisiana / Special Weather Statements in 2021

Special Weather Statement, NWS Lake Charles, LA

July 2, 2021Cameron Parish, Louisiana

NWS Lake Charles, LA issued this special weather statement at Jul 2, 2021, 7:30 PM CDT for Cameron Parish, Louisiana. It was in force for 45 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: Jul 2, 2021, 7:30 PM CDT (00:30 UTC)
Expired: Jul 2, 2021, 8:15 PM CDT
In force: 45 min
Issued by: NWS Lake Charles, LA

County Cameron Parish, LA

The radar

The Lake Charles radar (KLCH), 42 km from the middle of the area, began a volume at 00:33 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 00:00Z, 0.5 hours before the alert went out and 40 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: 1873 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1035 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 66 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 Jul 2, 7:15 PM CDT, 15 minutes earlier.

Area forecast discussion, Jul 2, 7:15 PM CDT, 15 minutes before

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Hazardous weather outlook, Jul 2, 3:43 PM CDT, 3 hours 47 minutes before

Hazardous Weather Outlook
National Weather Service Lake Charles LA
343 PM CDT Fri Jul 2 2021

LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-032045-
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-
343 PM CDT Fri Jul 2 2021

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

.DAY ONE...Tonight.

Locally heavy downpours will be possible with the strong convection.
Therefore, the area has been outlined in a Marginal Risk (level
1 out of 4) Potential for excessive rainfall causing flash flooding.
Also, occasional cloud to ground lightning will occur with the
storms.

Otherwise, The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Daily chances for thunderstorms with locally heavy downpours and
occasional cloud to ground lightning.

Otherwise, the probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

GMZ430-432-435-450-452-455-470-472-475-032045-
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-
343 PM CDT Fri Jul 2 2021

This Hazardous Weather Outlook is for the Gulf of Mexico and the
coastal lakes and bays of the Gulf of Mexico.

.DAY ONE...Tonight.

Scattered showers and thunderstorms will be possible. The storms
will bring locally higher winds and seas, along with occasional
cloud to water lightning.

Otherwise. the probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

A daily chance for scattered showers and thunderstorms will be
possible. The storms will bring locally higher winds and seas, along
with occasional cloud to water lightning.

Otherwise, the probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Jul 2, 7:01 PM CDT, 29 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
701 PM CDT Fri Jul 2 2021

LAZ041-073-074-030045-
Calcasieu LA-West Cameron LA-East Cameron LA-
701 PM CDT Fri Jul 2 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL CAMERON AND
SOUTHEASTERN CALCASIEU PARISHES UNTIL 745 PM CDT...

At 701 PM CDT, Doppler radar was tracking a strong thunderstorm near
Lake Charles Regional Airport, moving east at 20 mph.

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

Locations impacted include...
Lake Charles, Sulphur, Grand Lake, Lake Charles Regional Airport,
Carlyss, Hacketts Corner, Heberts Marina, Sweet Lake, Gibbstown,
Holmwood and Hackberry.

LAT...LON 2997 9327 3002 9327 3005 9329 3005 9333
      2999 9334 3002 9342 3022 9339 3022 9300
      2989 9301
TIME...MOT...LOC 0001Z 276DEG 19KT 3013 9329

13

Special weather statement, Jul 2, 7:30 PM 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
Jul 2, 7:01 PM CDT	Special Weather Statement	LCH	Cameron	44 min
Jul 3, 2:50 PM CDT	Flash Flood Warning	LCH	Lafayette	3 hr
Jul 3, 3:46 PM CDT	Flash Flood Warning	LCH	Lafayette, Vermilion	119 min
Jul 3, 6:11 PM CDT	Flash Flood Warning	LCH	Lafayette, Saint Martin	4 hr
Jul 3, 3:13 PM CDT	Flash Flood Warning	LCH	Orange	2 hr
Jul 3, 3:49 PM CDT	Flash Flood Warning	LCH	Orange	86 min
Jul 3, 5:05 PM CDT	Flash Flood Warning	LCH	Orange	4 hr

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.