Alert archive / Louisiana / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 78, NWS Lake Charles, LA

May 26, 2020Acadia Parish, Evangeline Parish, Saint Landry Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at May 26, 2020, 10:43 PM CDT for Acadia Parish, Evangeline Parish, Saint Landry Parish, Louisiana. It was in force for 32 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 26, 2020, 10:43 PM CDT (03:43 UTC)
Expired: May 26, 2020, 11:15 PM CDT
In force: 32 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Acadia Parish, LA, Evangeline Parish, LA, Saint Landry Parish, LA

The radar

The Ft Polk radar (KPOE), 96 km from the middle of the area, began a volume at 03:45 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, 3.7 hours before the alert went out and 100 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: 1337 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 1026 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: -52 m²/s²
0-3 km storm-relative helicity: -11 m²/s²
Significant tornado parameter: -0.2
Supercell composite: -1.8

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 26, 10:31 PM CDT, 12 minutes earlier.

Area forecast discussion, May 26, 10:31 PM CDT, 12 minutes before

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Hazardous weather outlook, May 26, 3:00 PM CDT, 7 hours 43 minutes before

Hazardous Weather Outlook
National Weather Service Lake Charles LA
300 PM CDT Tue May 26 2020

LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-272000-
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-
300 PM CDT Tue May 26 2020

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.

Scattered showers and thunderstorms are expected to return by late
afternoon and linger through tonight. Cloud-to-ground lightning and
brief heavy rains will be the primary concerns with the storms,
although the possibility exists for some gusty winds as well.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

A few showers and thunderstorms will be possible before coverage
increases for late Wednesday night and Thursday as another weak cool
front crosses the region. Cloud-to-ground lightning and brief heavy
rains will again be the primary concerns with the storms.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

GMZ430-432-435-450-452-455-470-472-475-272000-
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-
300 PM CDT Tue May 26 2020

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.

Scattered showers and thunderstorms are expected...with winds and
seas higher near the storms.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Scattered showers and thunderstorms will be possible through most of
the period...winds and seas will be locally higher near storms.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

25

In the hours before

Special weather statement, May 26, 8:50 PM CDT, 1 hour 53 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
850 PM CDT Tue May 26 2020

LAZ073-270215-
West Cameron LA-
850 PM CDT Tue May 26 2020

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CAMERON PARISH UNTIL
915 PM CDT...

At 850 PM CDT, Doppler radar was tracking a strong thunderstorm near
Groves, moving east at 30 mph.

Nickel size hail will be possible with this storm.

Locations impacted include...
Hackberry.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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.

&&

LAT...LON 2991 9377 2994 9376 2997 9376 2998 9378
      2999 9378 3000 9377 3001 9377 3005 9361
      3005 9347 2990 9344
TIME...MOT...LOC 0150Z 260DEG 27KT 2994 9381

Jones

Local storm report, May 26, 9:07 PM CDT, 1 hour 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
907 PM CDT TUE MAY 26 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0904 PM     HAIL             LAKE CHARLES            30.21N 93.20W
05/26/2020  M1.00 INCH       CALCASIEU          LA   NWS EMPLOYEE

            SEVERAL NWS METEROLOGISTS REPORT HAIL RANGING FROM MARBLE
            TO QUARTER SIZE ACROSS LAKE CHARLES.

&&

DJONES

Local storm report, May 26, 9:18 PM CDT, 1 hour 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
918 PM CDT TUE MAY 26 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0910 PM     HAIL             3 SSW LAKE CHARLES      30.17N 93.22W
05/26/2020  E1.50 INCH       CALCASIEU          LA   PUBLIC

            PUBLIC REPORTS PING PONG BALL SIZE HAIL SOUTHWEST OF LAKE
            CHARLES.

&&

DJONES

Local storm report, May 26, 9:21 PM CDT, 1 hour 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
921 PM CDT TUE MAY 26 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0910 PM     HAIL             1 SW LAKE CHARLES       30.20N 93.21W
05/26/2020  E1.25 INCH       CALCASIEU          LA   NWS EMPLOYEE

            NWS EMPLOYEE REPORTED HALF DOLLAR SIZED HAIL NEAR 210 AND
            RYAN ST.

&&

CASTIGGER

Local storm report, May 26, 9:36 PM CDT, 1 hour 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
936 PM CDT TUE MAY 26 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0914 PM     HAIL             1 NW LAKE CHARLES       30.22N 93.21W
05/26/2020  E1.25 INCH       CALCASIEU          LA   PUBLIC

            PUBLIC REPORTS HALF DOLLAR SIZE HAIL IN LAKE CHARLES

&&

DJONES

Special weather statement, May 26, 10:01 PM CDT, 42 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
May 26, 7:01 PM CDT	Severe Thunderstorm Warning	LCH	Allen, Beauregard	44 min
May 26, 7:05 PM CDT	Special Weather Statement	LCH	Calcasieu	25 min
May 26, 7:46 PM CDT	Severe Thunderstorm Warning	LCH	Allen	29 min
May 26, 8:14 PM CDT	Special Weather Statement	LCH	Calcasieu	46 min
May 26, 8:26 PM CDT	Special Weather Statement	LCH	Calcasieu	49 min
May 26, 8:30 PM CDT	Special Weather Statement	LCH	Allen	45 min
May 26, 8:37 PM CDT	Special Marine Warning	LCH		23 min
May 26, 8:43 PM CDT	Severe Thunderstorm Warning	LCH	Allen, Evangeline	47 min
May 26, 8:54 PM CDT	Severe Thunderstorm Warning	LCH	Cameron	36 min
May 26, 9:04 PM CDT	Severe Thunderstorm Warning	LCH	Calcasieu, Jefferson Davis	56 min
May 26, 9:14 PM CDT	Severe Thunderstorm Warning	LCH	Allen, Evangeline	28 min
May 26, 9:44 PM CDT	Severe Thunderstorm Warning	LCH	Acadia, Evangeline, Jefferson Davis	61 min
May 26, 10:01 PM CDT	Special Weather Statement	LCH	Jefferson Davis	44 min
May 26, 10:45 PM CDT	Special Weather Statement	LCH	Jefferson Davis	30 min
May 26, 10:59 PM CDT	Special Marine Warning	LCH		31 min
May 27, 12:22 AM CDT	Special Marine Warning	LCH		35 min
May 27, 10:03 AM CDT	Special Weather Statement	LCH	Lafayette	42 min
May 27, 10:54 AM CDT	Special Weather Statement	LCH	Saint Landry	36 min
May 27, 11:14 AM CDT	Special Weather Statement	LCH	Vermilion	46 min
May 27, 11:20 AM CDT	Special Marine Warning	LCH		55 min
May 27, 11:32 AM CDT	Special Weather Statement	LCH	Saint Martin	43 min
May 27, 12:16 PM CDT	Special Weather Statement	LCH	Saint Martin	44 min
May 27, 4:20 PM CDT	Special Marine Warning	LCH		25 min
May 27, 4:37 PM CDT	Severe Thunderstorm Warning	LCH	Cameron	38 min
May 27, 5:23 PM CDT	Special Weather Statement	LCH	Calcasieu	37 min
May 27, 5:25 PM CDT	Special Marine Warning	LCH		50 min
May 27, 5:33 PM CDT	Severe Thunderstorm Warning	LCH	Calcasieu, Cameron	27 min
May 27, 6:03 PM CDT	Special Weather Statement	LCH	Cameron	27 min
May 27, 6:27 PM CDT	Special Weather Statement	LCH	Jefferson Davis	48 min
May 27, 6:36 PM CDT	Special Marine Warning	LCH		54 min
May 26, 7:07 PM CDT	Special Weather Statement	LCH	Hardin	38 min
May 26, 7:21 PM CDT	Severe Thunderstorm Warning	LCH	Hardin, Jefferson	24 min
May 26, 7:42 PM CDT	Severe Thunderstorm Warning	LCH	Jefferson	19 min
May 26, 7:46 PM CDT	Severe Thunderstorm Warning	LCH	Hardin, Jefferson	29 min
May 26, 8:13 PM CDT	Special Weather Statement	LCH	Jefferson	32 min
May 26, 8:50 PM CDT	Special Weather Statement	LCH	Orange	25 min
May 27, 3:45 PM CDT	Special Weather Statement	LCH	Hardin, Jefferson, Orange	45 min
May 27, 4:26 PM CDT	Special Weather Statement	LCH	Jefferson	34 min
May 27, 4:49 PM CDT	Severe Thunderstorm Warning	LCH	Jefferson	26 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2020 Every 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.