Alert archive / Louisiana / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 18, NWS Lake Charles, LA

April 13, 20224 parishes in Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 13, 2022, 7:42 PM CDT for 4 parishes in Louisiana. It was in force for 48 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, 2022, 7:42 PM CDT (00:42 UTC)
Expired
Apr 13, 2022, 8:30 PM CDT
In force
48 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Allen Parish, LA, Avoyelles Parish, LA, Evangeline Parish, LA, Saint Landry Parish, LA

The radar

The Ft Polk radar (KPOE), 77 km from the middle of the area, began a volume at 00:43 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.

IssuedProductOfficeLasted
Apr 13, 5:25 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 0.7 hours before the alert went out and 257 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, Slidell Radar S, LA at 00:00Z on 2022-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1037 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, Slidell Radar S, LA at 00:00Z on 2022-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 179 square meters per square second.193958Sfc1 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
1037 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
816 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
179 m²/s²
0-3 km storm-relative helicity
259 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.3

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, 6:30 PM CDT, 1 hour 12 minutes earlier.

Area forecast discussion, Apr 13, 6:30 PM CDT, 1 hour 12 minutes before
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Hazardous weather outlook, Apr 13, 3:53 PM CDT, 3 hours 49 minutes before
Hazardous Weather Outlook
National Weather Service Lake Charles LA
353 PM CDT Wed Apr 13 2022

LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-142100-
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-
353 PM CDT Wed Apr 13 2022

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

.DAY ONE...This afternoon and tonight.

Widespread showers and thunderstorms will develop this afternoon into
this evening along and ahead of a cold front pushing through the
area. Some of these storms will have the potential to be strong to
severe with damaging winds, large hail and a few tornadoes. In
addition to the severe weather threat, periods of heavy rainfall can
be expected that may lead to localized street flooding. Away from
storms, strong and gusty southerly winds will continue through the
evening before turning out of the north behind the front early
Thursday morning.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

A warm front will lift out of the gulf Friday accompanied by isolated
to scattered showers and thunderstorms. Weak upper level disturbances
moving across the area will keep isolated showers and thunderstorms
possible through the weekend before another cold front pushes through
the region Monday. Severe weather is not expected over the weekend.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

GMZ430-432-435-450-452-455-470-472-475-142100-
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-
353 PM CDT Wed Apr 13 2022

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM TO 3 PM CDT THURSDAY...

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

.DAY ONE...This afternoon and tonight.
Strong onshore winds will continue through the evening. Widespread
showers and thunderstorms will develop across the coastal waters
this evening along and ahead of a cold front pushing through the
area. Some of these storms will have the potential to be strong to
severe with damaging winds, large hail and waterspouts. Strong
offshore winds will develop behind the front Thursday morning.

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.
Strong offshore winds will continue through the day Thursday before
weakening Thursday night.

A warm front will lift out of the gulf Friday accompanied by
isolated to scattered showers and thunderstorms. Weak upper level
disturbances moving across the area will keep isolated showers and
thunderstorms possible through the weekend before another cold front
pushes through the region Monday. Severe weather is not expected over
the weekend.

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, Apr 13, 6:45 PM CDT, 57 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 7:04 PM CDTSevere Thunderstorm Warning Considerable damage threatLCHAllen, Avoyelles, Evangeline, Rapides, Saint Landry41 min
Apr 13, 7:28 PM CDTSevere Thunderstorm WarningLCHAvoyelles47 min
Apr 13, 8:24 PM CDTSevere Thunderstorm WarningLCHEvangeline, Saint Landry36 min
Apr 13, 8:27 PM CDTSpecial Weather StatementLCHAcadia33 min
Apr 13, 8:57 PM CDTSpecial Weather StatementLCHAcadia, Saint Landry48 min
Apr 13, 9:44 PM CDTSpecial Weather StatementLCHAcadia, Lafayette, Saint Martin46 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2022Every severe thunderstorm warning in 2022

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.