Alert archive / Louisiana / Special Weather Statements in 2021
Special Weather Statement, NWS Lake Charles, LA
NWS Lake Charles, LA issued this special weather statement at Mar 17, 2021, 6:08 PM CDT for Iberia Parish, St. Mary Parish, Louisiana. It was in force for 97 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
- Mar 17, 2021, 6:08 PM CDT (23:08 UTC)
- Expired
- Mar 17, 2021, 7:45 PM CDT
- In force
- 97 min
- Issued by
- NWS Lake Charles, LA
Counties Iberia Parish, LA, St. Mary Parish, LA
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 11.1 hours before the alert went out and 176 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.
- Mixed-layer CAPE
- 458 J/kg
- Mixed-layer CIN
- -397 J/kg
- Mixed-layer LCL
- 1132 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 158 m²/s²
- 0-3 km storm-relative helicity
- 247 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
The text
As transmitted.
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</html>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 Mar 17, 6:00 PM CDT, 8 minutes earlier.
Area forecast discussion, Mar 17, 6:00 PM CDT, 8 minutes before
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</html>Hazardous weather outlook, Mar 17, 4:13 PM CDT, 1 hour 55 minutes before
Hazardous Weather Outlook National Weather Service Lake Charles LA 413 PM CDT Wed Mar 17 2021 LAZ027-030-041-TXZ180-201-215-216-259>262-182115- Vernon-Beauregard-Calcasieu-Tyler-Hardin-Jefferson-Orange- Northern Jasper-Northern Newton-Southern Jasper-Southern Newton- 413 PM CDT Wed Mar 17 2021 This Hazardous Weather Outlook is for southwest Louisiana, west central Louisiana and southeast Texas. .DAY ONE...Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. LAZ045-053>055-182115- Upper St. Martin-Iberia-St. Mary-Lower St. Martin- 413 PM CDT Wed Mar 17 2021 ...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...TORNADO WATCH 35 IN EFFECT UNTIL 9 PM CDT THIS EVENING... This Hazardous Weather Outlook is for south central Louisiana. .DAY ONE...Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tornado Watch. Wind Advisory. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. LAZ028-031-073-182115- Rapides-Allen-West Cameron- 413 PM CDT Wed Mar 17 2021 ...TORNADO WATCH 30 IN EFFECT UNTIL 6 PM CDT THIS EVENING... This Hazardous Weather Outlook is for central Louisiana and southwest Louisiana. .DAY ONE...Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tornado Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. LAZ029-032-033-042>044-052-074-182115- Avoyelles-Evangeline-St. Landry-Jefferson Davis-Acadia-Lafayette- Vermilion-East Cameron- 413 PM CDT Wed Mar 17 2021 ...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...TORNADO WATCH 30 IN EFFECT UNTIL 6 PM CDT THIS EVENING... This Hazardous Weather Outlook is for central Louisiana, south central Louisiana and southwest Louisiana. .DAY ONE...Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tornado Watch. Wind Advisory. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. GMZ475-182115- Waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 413 PM CDT Wed Mar 17 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THURSDAY... This Hazardous Weather Outlook is for the Gulf of Mexico. .DAY ONE...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. .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. Small Craft Advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. GMZ430-432-182115- Sabine Lake-Calcasieu Lake- 413 PM CDT Wed Mar 17 2021 This Hazardous Weather Outlook is for the coastal lakes and bays of the Gulf of Mexico. .DAY ONE...Tonight. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Light onshore flow becomes more moderate by early Wednesday ahead of a cold frontal boundary advancing into the region. Showers and thunderstorms will be possible with this from Wednesday into early Thursday. Moderate offshore flow develops by Thursday behind this cold front. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. GMZ452-182115- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 413 PM CDT Wed Mar 17 2021 ...TORNADO WATCH 30 IN EFFECT UNTIL 6 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 1 PM CDT THURSDAY... This Hazardous Weather Outlook is for the Gulf of Mexico. .DAY ONE...Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tornado Watch. Small Craft Advisory. .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. Small Craft Advisory. Light onshore flow becomes more moderate by early Wednesday ahead of a cold frontal boundary advancing into the region. Showers and thunderstorms will be possible with this from Wednesday into early Thursday. Moderate offshore flow develops by Thursday behind this cold front. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. GMZ450-470-472-182115- Coastal waters from Cameron LA to High Island TX 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- 413 PM CDT Wed Mar 17 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 1 PM CDT THURSDAY... This Hazardous Weather Outlook is for the Gulf of Mexico. .DAY ONE...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. .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. Small Craft Advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. GMZ435-182115- Vermilion Bay- 413 PM CDT Wed Mar 17 2021 ...TORNADO WATCH 35 IN EFFECT UNTIL 9 PM CDT THIS EVENING... This Hazardous Weather Outlook is for the coastal lakes and bays of the Gulf of Mexico. .DAY ONE...Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tornado Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. GMZ455-182115- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 413 PM CDT Wed Mar 17 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THURSDAY... ...TORNADO WATCH 35 IN EFFECT UNTIL 9 PM CDT THIS EVENING... This Hazardous Weather Outlook is for the Gulf of Mexico. .DAY ONE...Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tornado Watch. Small Craft Advisory. .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. Small Craft Advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Special weather statement, Mar 17, 3:42 PM CDT, 2 hours 26 minutes before
Special Weather Statement National Weather Service Lake Charles LA 342 PM CDT Wed Mar 17 2021 LAZ028-029-031-032-172130- Avoyelles LA-Evangeline LA-Allen LA-Rapides LA- 342 PM CDT Wed Mar 17 2021 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN RAPIDES...NORTHERN EVANGELINE...WESTERN AVOYELLES AND NORTHEASTERN ALLEN PARISHES UNTIL 430 PM CDT... At 341 PM CDT, Doppler radar was tracking a strong thunderstorm near Oakdale, moving east at 50 mph. Half inch hail and winds in excess of 40 mph will be possible with this storm. Locations impacted include... Oakdale, Marksville, Bunkie, Glenmora, Cheneyville, Turkey Creek, Effie, Cottonport, Mansura, Lecompte, Hessmer, Evergreen, Plaucheville, Echo, Poland, Ruby, Forest Hill and Mcnary. 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. && A Tornado Watch remains in effect until 600 PM CDT for central and southwestern Louisiana. LAT...LON 3079 9274 3096 9280 3126 9213 3097 9199 TIME...MOT...LOC 2041Z 251DEG 47KT 3091 9268 Rua
Special weather statement, Mar 17, 3:44 PM CDT, 2 hours 24 minutes before
Special Weather Statement
National Weather Service Lake Charles LA
344 PM CDT Wed Mar 17 2021
LAZ044-045-052>055-172130-
Lower St. Martin LA-Iberia LA-Lafayette LA-Vermilion LA-
Upper St. Martin LA-St. Mary LA-
344 PM CDT Wed Mar 17 2021
...SIGNIFICANT WEATHER ADVISORY FOR IBERIA...SOUTHEASTERN
LAFAYETTE...NORTHERN ST. MARY...EAST CENTRAL VERMILION AND ST. MARTIN
PARISHES UNTIL 430 PM CDT...
At 344 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near St. Martinville to near Cypremort Point.
Movement was east at 60 mph.
Winds in excess of 40 mph will be possible with these storms.
Locations impacted include...
Lafayette, New Iberia, Catahoula, Franklin, St. Martinville,
Jeanerette, Belle River, Cypremort Point, Stephensville, Avery
Island, Broussard, Youngsville, Baldwin, Erath, Delcambre,
Loreauville, Butte La Rose, Lydia, Acadiana Regional Airport and
Jefferson Island.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
A Tornado Watch remains in effect until 600 PM CDT for south central
and southwestern Louisiana. A Tornado Watch also remains in effect
until 900 PM CDT for south central Louisiana.
LAT...LON 2978 9110 2969 9162 2975 9160 2975 9175
2970 9186 2975 9188 2982 9182 2984 9188
2983 9197 2979 9198 2978 9204 3020 9202
3032 9163 3024 9157 3023 9147 3010 9146
3004 9122 3000 9126 2992 9123 2983 9111
TIME...MOT...LOC 2044Z 254DEG 53KT 3017 9187 2973 9189
13Local storm report, Mar 17, 4:02 PM CDT, 2 hours 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
402 PM CDT WED MAR 17 2021
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0347 PM TSTM WND GST 4 WNW NEW IBERIA 30.03N 91.88W
03/17/2021 M69.00 MPH IBERIA LA ASOS
KARA MEASURED A 60KT PEAK WIND GUST.
&&
13Special weather statement, Mar 17, 4:49 PM CDT, 1 hour 19 minutes before
Special Weather Statement
National Weather Service Lake Charles LA
449 PM CDT Wed Mar 17 2021
LAZ045-053>055-172230-
Lower St. Martin LA-Iberia LA-Upper St. Martin LA-St. Mary LA-
449 PM CDT Wed Mar 17 2021
...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN IBERIA...
NORTHWESTERN ST. MARY AND CENTRAL ST. MARTIN PARISHES UNTIL 530 PM
CDT...
At 449 PM CDT, Doppler radar was tracking a strong thunderstorm near
Lake Fausse Pointe, or 12 miles northeast of Jeanerette, moving east
at 40 mph.
Nickel size hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
Jeanerette, Baldwin, Sorrel, Charenton and Pierre Part.
A Tornado Watch remains in effect until 900 PM CDT for south central
Louisiana.
LAT...LON 2982 9171 3018 9159 3020 9149 3019 9147
3014 9147 3013 9146 3011 9147 3010 9146
3010 9139 3006 9137 3006 9127 3003 9124
3004 9122 3001 9123 3000 9126 2998 9126
2993 9123 2992 9123 2989 9121
TIME...MOT...LOC 2149Z 253DEG 32KT 3006 9155
RuaSpecial weather statement, Mar 17, 5:00 PM CDT, 1 hour 8 minutes before
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</html>Special weather statement, Mar 17, 6:08 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 2:53 AM CDT | Wind Advisory | LCH | Avoyelles, Cameron, Evangeline, Lafayette, Saint Landry, Saint Martin | 16 hr |
| Mar 17, 2:55 AM CDT | Marine Dense Fog Advisory | LCH | 11 hr | |
| Mar 17, 2:55 AM CDT | Small Craft Advisory | LCH | 52 hr | |
| Mar 17, 12:39 PM CDT | Special Weather Statement | LCH | Cameron | 51 min |
| Mar 17, 12:48 PM CDT | Special Weather Statement | LCH | Calcasieu | 42 min |
| Mar 17, 1:24 PM CDT | Severe Thunderstorm Warning | LCH | Acadia, Cameron, Jefferson Davis, Vermilion | 36 min |
| Mar 17, 1:33 PM CDT | Special Marine Warning | LCH | 57 min | |
| Mar 17, 1:40 PM CDT | Special Weather Statement | LCH | Allen | 35 min |
| Mar 17, 1:46 PM CDT | Special Weather Statement | LCH | Vernon | 29 min |
| Mar 17, 2:01 PM CDT | Special Weather Statement | LCH | Acadia, Jefferson Davis | 44 min |
| Mar 17, 2:30 PM CDT | Special Marine Warning | LCH | 60 min | |
| Mar 17, 2:32 PM CDT | Special Weather Statement | LCH | Beauregard | 43 min |
| Mar 17, 2:41 PM CDT | Small Craft Advisory | LCH | 40 hr | |
| Mar 17, 3:03 PM CDT | Special Weather Statement | LCH | Vermilion | 42 min |
| Mar 17, 3:28 PM CDT | Special Marine Warning | LCH | 62 min | |
| Mar 17, 3:42 PM CDT | Special Weather Statement | LCH | Rapides | 48 min |
| Mar 17, 3:44 PM CDT | Special Weather Statement | LCH | Saint Martin | 46 min |
| Mar 17, 3:53 PM CDT | Severe Thunderstorm Warning | LCH | Iberia, Saint Martin, St. Mary | 52 min |
| Mar 17, 3:58 PM CDT | Severe Thunderstorm Warning | LCH | Cameron, Vermilion | 62 min |
| Mar 17, 4:19 PM CDT | Severe Thunderstorm Warning | LCH | Acadia, Cameron, Jefferson Davis, Vermilion | 44 min |
| Mar 17, 4:35 PM CDT | Special Marine Warning | LCH | 55 min | |
| Mar 17, 4:49 PM CDT | Special Weather Statement | LCH | Saint Martin | 41 min |
| Mar 17, 5:00 PM CDT | Special Weather Statement | LCH | Acadia, Saint Landry | 30 min |
| Mar 17, 5:31 PM CDT | Special Marine Warning | LCH | 89 min | |
| Mar 17, 6:21 PM CDT | Severe Thunderstorm Warning | LCH | Iberia, Saint Martin, St. Mary | 39 min |
| Mar 17, 11:34 AM CDT | Special Weather Statement | LCH | Tyler | 11 min |
| Mar 17, 12:17 PM CDT | Special Weather Statement | LCH | Orange | 28 min |
| Mar 17, 12:21 PM CDT | Special Weather Statement | LCH | Hardin | 39 min |
| Mar 17, 12:56 PM CDT | Special Weather Statement | LCH | Jasper, Newton | 34 min |
| Mar 17, 1:22 PM CDT | Special Weather Statement | LCH | Newton | 23 min |
| Mar 17, 1:35 PM CDT | Special Weather Statement | LCH | Orange | 25 min |
| Mar 17, 2:00 PM CDT | Special Weather Statement | LCH | Orange | 30 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.