Alert archive / Louisiana / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 43, NWS Lake Charles, LA

April 13, 20195 parishes in Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 13, 2019, 5:20 PM CDT for 5 parishes in Louisiana. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 13, 2019, 5:20 PM CDT (22:20 UTC)
Expired: Apr 13, 2019, 6:00 PM CDT
In force: 40 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Allen Parish, LA, Evangeline Parish, LA, Jefferson Davis Parish, LA, Rapides Parish, LA, Vernon Parish, LA

The radar

The Ft Polk radar (KPOE), 46 km from the middle of the area, began a volume at 22:22 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 13, 11:26 AM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 10.3 hours before the alert went out and 86 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: 1903 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 617 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 280 m²/s²
0-3 km storm-relative helicity: 468 m²/s²
Significant tornado parameter: 1.8
Supercell composite: 10.7

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Apr 13, 4:10 PM CDT, 1 hour 10 minutes earlier.

Area forecast discussion, Apr 13, 4:10 PM CDT, 1 hour 10 minutes before

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Hazardous weather outlook, Apr 13, 4:05 PM CDT, 1 hour 15 minutes before

Hazardous Weather Outlook
National Weather Service Lake Charles LA
405 PM CDT Sat Apr 13 2019

LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-
142115-
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-
405 PM CDT Sat Apr 13 2019

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

.DAY ONE...This Afternoon and Tonight
Tornado watch 53 remains in effect for the northern half of the
area until 7 PM. Conditions will remain favorable for all forms of
severe weather including tornadoes, damaging winds and large hail.
In addition, brief periods of heavy rainfall will be possible. A
cold front will move through the area from west to east this
evening bringing the severe weather threat to an end.

A wind advisory also remains in effect for portions of southwest
and central Louisiana until 7 PM Saturday. Winds of 20 to 25 MPH
are expected with gusts to 35.

.DAYS TWO THROUGH SEVEN...Sunday through Friday
Another area of low pressure and an associated cold front will
produce scattered to numerous showers and thunderstorms across the
region on Wednesday. Some of these storms will have the potential
to be strong to severe.

.SPOTTER INFORMATION STATEMENT...
Spotter activation may be requested Wednesday.

GMZ430-432-435-450-452-455-470-472-475-142115-
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-
405 PM CDT Sat Apr 13 2019

This Hazardous Weather Outlook is for portions of Gulf of Mexico.

.DAY ONE...This Afternoon and Tonight
Scattered to numerous showers and thunderstorms are expected
across the coastal waters this afternoon into this evening. Some
storms could become strong to severe with waterspouts, hail and
strong gusty winds. In addition, heavy rainfall could reduce
visibilities to less than one mile at times. Storms will end from
west to east later night.

Strong onshore flow will continue through the evening with strong
offshore flow developing later tonight following the frontal
passage. A gale warning has been issued from 1 AM until 2 PM
Sunday. A small craft advisory will bracket the gale warning both
through this evening and tomorrow afternoon. Sustained winds of 20
to 30 knots with gusts to 40 knots can be expected. This will
result in seas building to 7 to 10 feet.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

.SPOTTER INFORMATION STATEMENT...
Spotter activation may be requested Wednesday.

In the hours before

Special weather statement, Apr 13, 2:46 PM CDT, 2 hours 34 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
246 PM CDT Sat Apr 13 2019

LAZ033-045-132015-
St. Landry LA-Upper St. Martin LA-
246 PM CDT Sat Apr 13 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN ST. MARTIN AND
SOUTHEASTERN ST. LANDRY PARISHES UNTIL 315 PM CDT...

At 246 PM CDT, Doppler radar was tracking a strong thunderstorm near
Port Barre, or 7 miles west of Krotz Springs, moving northeast at 40
mph.

Half inch hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Krotz Springs, Arnaudville, Melville, Port Barre and Atchafalaya
National Wildlife Refuge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm 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 700 PM CDT for central
Louisiana.

LAT...LON 3041 9194 3058 9199 3078 9177 3076 9175
      3074 9176 3071 9173 3067 9173 3066 9175
      3063 9174 3062 9175 3056 9176 3051 9173
      3051 9175 3050 9175 3050 9170 3044 9164
      3040 9163
TIME...MOT...LOC 1946Z 229DEG 36KT 3057 9186

Brazzell

Special weather statement, Apr 13, 2:46 PM CDT, 2 hours 34 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
246 PM CDT Sat Apr 13 2019

TXZ180-201-259>261-132030-
Hardin TX-Northern Newton TX-Northern Jasper TX-Southern Jasper TX-
Tyler TX-
246 PM CDT Sat Apr 13 2019

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN TYLER...WEST CENTRAL
NEWTON...EASTERN HARDIN AND SOUTHEASTERN JASPER COUNTIES UNTIL 330 PM
CDT...

At 246 PM CDT, Doppler radar was tracking a strong thunderstorm near
Lumberton, moving northeast at 50 mph.

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

Locations impacted include...
Beaumont, Lumberton, Silsbee, Kirbyville, Kountze, Call, Evadale,
Fred, Buna, Caney Head, Trout Creek, Magnolia Springs and Mt. Union.

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.

This storm 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 700 PM CDT for southeastern
Texas.

LAT...LON 3085 9409 3061 9376 3052 9385 3052 9389
      3049 9388 3017 9422 3027 9439
TIME...MOT...LOC 1946Z 211DEG 43KT 3029 9426

RM12

Special weather statement, Apr 13, 3:22 PM CDT, 1 hour 58 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
322 PM CDT Sat Apr 13 2019

LAZ027-TXZ259-260-132100-
Vernon LA-Northern Newton TX-Northern Jasper TX-
322 PM CDT Sat Apr 13 2019

...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL VERNON PARISH...
NORTHERN NEWTON AND EAST CENTRAL JASPER COUNTIES UNTIL 400 PM CDT...

At 322 PM CDT, Doppler radar was tracking a strong thunderstorm near
Kirbyville, moving northeast at 55 mph.

Pea size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Newton, Kirbyville, Toledo Bend Dam, Call, Burkeville, Farrsville,
Magnolia Springs, Burr Ferry, Mayflower, Mt. Union, Jamestown,
Roganville, Stringtown, Bleakwood, Wiergate and Evans.

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 700 PM CDT for west central
Louisiana...and southeastern Texas.

LAT...LON 3109 9340 3059 9389 3069 9408 3117 9377
      3118 9360 3117 9358 3118 9356
TIME...MOT...LOC 2022Z 211DEG 49KT 3071 9393

RM12

Special weather statement, Apr 13, 4:02 PM CDT, 1 hour 18 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
402 PM CDT Sat Apr 13 2019

LAZ027-TXZ260-132115-
Vernon LA-Northern Newton TX-
402 PM CDT Sat Apr 13 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN VERNON PARISH IN
WEST CENTRAL LOUISIANA AND NORTHEASTERN NEWTON COUNTIES UNTIL 415 PM
CDT...

At 402 PM CDT, Doppler radar was tracking a strong thunderstorm near
Burr Ferry, or near Toledo Bend Dam, moving northeast at 55 mph.

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

Locations impacted include...
Anacoco, Toledo Bend Dam, Hornbeck, Burr Ferry and Kurthwood.

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.

This storm 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 700 PM CDT for west central
Louisiana...and southeastern Texas.

LAT...LON 3136 9313 3101 9345 3110 9362 3117 9358
      3119 9355 3123 9355 3128 9352 3128 9344
      3136 9339
TIME...MOT...LOC 2102Z 211DEG 49KT 3113 9349

RM12

Special weather statement, Apr 13, 4:08 PM CDT, 1 hour 12 minutes before

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Special weather statement, Apr 13, 4:36 PM CDT, 44 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
Apr 13, 1:28 AM CDT	Severe Thunderstorm Warning	LCH	Vernon	47 min
Apr 13, 2:08 AM CDT	Severe Thunderstorm Warning	LCH	Vernon	26 min
Apr 13, 2:42 AM CDT	Severe Thunderstorm Warning	LCH	Rapides	33 min
Apr 13, 4:13 AM CDT	Gale Watch	LCH		12 hr
Apr 13, 4:13 AM CDT	Small Craft Advisory	LCH		39 hr
Apr 13, 11:34 AM CDT	River Flood Warning	LCH	Allen, Jefferson Davis	4 days
Apr 13, 11:34 AM CDT	River Flood Warning	LCH	Calcasieu	6 days
Apr 13, 1:53 PM CDT	Special Weather Statement	LCH	Rapides	52 min
Apr 13, 2:23 PM CDT	Tornado Warning	LCH	Rapides	18 min
Apr 13, 2:46 PM CDT	Special Weather Statement	LCH	Saint Landry	29 min
Apr 13, 3:32 PM CDT	River Flood Warning	LCH	Acadia, Jefferson Davis, Vermilion	33 hr
Apr 13, 4:02 PM CDT	Special Weather Statement	LCH	Vernon	13 min
Apr 13, 4:05 PM CDT	Gale Warning	LCH		20 hr
Apr 13, 4:08 PM CDT	Special Weather Statement	LCH	Vernon	52 min
Apr 13, 4:36 PM CDT	Special Weather Statement	LCH	Allen, Calcasieu	39 min
Apr 13, 5:59 PM CDT	Special Weather Statement	LCH	Allen, Avoyelles, Evangeline, Rapides	46 min
Apr 13, 6:02 PM CDT	Special Weather Statement	LCH	Assumption	28 min
Apr 12, 10:29 PM CDT	Special Weather Statement	LCH	Tyler	61 min
Apr 12, 11:21 PM CDT	Severe Thunderstorm Warning	LCH	Jasper, Tyler	84 min
Apr 13, 12:49 AM CDT	Special Weather Statement	LCH	Sabine	41 min
Apr 13, 3:22 PM CDT	Special Weather Statement	LCH	Jasper, Newton	38 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2019 Every severe thunderstorm warning in 2019

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.