Alert archive / Texas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 66, NWS Lake Charles, LA

May 16, 2020Newton County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at May 16, 2020, 7:12 AM CDT for Newton County, Texas. It was in force for 20 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
May 16, 2020, 7:12 AM CDT (12:12 UTC)
Expired
May 16, 2020, 7:32 AM CDT
In force
20 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

County Newton County, TX

The radar

The Ft Polk radar (KPOE), 84 km from the middle of the area, began a volume at 12:12 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

Shreveport, LA (KSHV), launched 12:00Z, 0.2 hours before the alert went out and 188 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, Shreveport, LA at 12:00Z on 2020-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 144 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 12:00Z on 2020-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 square meters per square second.1939Sfc1 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
144 J/kg
Mixed-layer CIN
-88 J/kg
Mixed-layer LCL
699 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 May 16, 7:00 AM CDT, 12 minutes earlier.

Area forecast discussion, May 16, 7:00 AM CDT, 12 minutes before
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Hazardous weather outlook, May 16, 5:06 AM CDT, 2 hours 6 minutes before
Hazardous Weather Outlook
National Weather Service Lake Charles LA
506 AM CDT Sat May 16 2020

TXZ180-201-215-216-259>262-171015-
Tyler-Hardin-Jefferson-Orange-Northern Jasper-Northern Newton-
Southern Jasper-Southern Newton-
506 AM CDT Sat May 16 2020

...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING...

This Hazardous Weather Outlook is for southeast Texas.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

Thunderstorms are likely today. Heavy rain, frequent lightning, and
gusty winds are the main threat. Since the ground is already
saturated at many locations in southeast Texas there is an increased
risk of flash flooding.

There is also a minimal threat of large hail and and isolated tornado
this morning.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

The potential for locally heavy rainfall may linger into Sunday as an
upper level disturbance moves across the region.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

LAZ027>033-041>045-052>055-073-074-171015-
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-
506 AM CDT Sat May 16 2020

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

.DAY ONE...Today and tonight.

Gusty winds, frequent lightning, and torrential down pours will be
possible with the storms today.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

An upper level disturbance is expected to bring high rain chances
with widespread thunderstorm activity into Sunday. Locally heavy
rainfall is the main hazard that may lead to flooding of low lying
areas.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

GMZ430-432-435-450-452-455-470-472-475-171015-
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-
506 AM CDT Sat May 16 2020

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.

Strong gusty winds may accompany storms, especially this morning.
Frequent lightning and large hail will also be possible.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

High chances for showers and thunderstorms will continue into
Sunday. Winds and seas will be locally higher near the storms, along
with occasional cloud to water lightning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, May 16, 6:29 AM CDT, 43 minutes before
Special Weather Statement
National Weather Service Lake Charles LA
629 AM CDT Sat May 16 2020

LAZ030-041-TXZ180-201-216-259>262-161230-
Calcasieu LA-Beauregard LA-Orange TX-Hardin TX-Southern Newton TX-
Northern Newton TX-Northern Jasper TX-Southern Jasper TX-Tyler TX-
629 AM CDT Sat May 16 2020

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN BEAUREGARD AND
NORTHWESTERN CALCASIEU PARISHES...TYLER...SOUTHWESTERN NEWTON...
NORTHEASTERN HARDIN...ORANGE AND JASPER COUNTIES UNTIL 730 AM CDT...

At 629 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 9 miles northeast of Votaw to near Orangefield.
Movement was north at 30 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Orange, Lumberton, Vidor, Bridge City, Silsbee, West Orange,
Woodville, Kirbyville, Kountze, Colmesneil, Chester, Deweyville,
Evadale, Rockland, Warren, Town Bluff, Call, Starks, Fred and
Wildwood.

LAT...LON 3102 9465 3106 9456 3105 9449 3103 9447
      3107 9430 3050 9349 2998 9384 2999 9386
      2997 9385 3014 9411 3017 9412 3017 9415
      3049 9462 3049 9454 3099 9466
TIME...MOT...LOC 1129Z 197DEG 28KT 3056 9461 3007 9394

25
Local storm report, May 16, 7:04 AM CDT, 8 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 8:54 PM CDTRiver Flood WarningLCHCalcasieu62 hr
May 16, 5:04 AM CDTSpecial Marine WarningLCH116 min
May 16, 6:49 AM CDTTornado WarningLCHCalcasieu26 min
May 16, 7:04 AM CDTSpecial Marine WarningLCH116 min
May 16, 6:29 AM CDTSpecial Weather StatementLCHJasper, Orange, Tyler61 min

Nearby

Severe Thunderstorm Warnings in Texas, 2020Every severe thunderstorm warning in 2020

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.