Alert archive / Louisiana / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 118, NWS Lake Charles, LA

December 23, 2020Avoyelles Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Dec 23, 2020, 9:59 PM CST for Avoyelles Parish, Louisiana. It was in force for 46 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: Dec 23, 2020, 9:59 PM CST (03:59 UTC)
Expired: Dec 23, 2020, 10:45 PM CST
In force: 46 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

County Avoyelles Parish, LA

The radar

The Ft Polk radar (KPOE), 93 km from the middle of the area, began a volume at 04:01 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
Dec 23, 8:40 PM CST	Tornado Watch	SPC	5 hr

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 Dec 23, 2:25 PM CST, 7 hours 34 minutes earlier.

Area forecast discussion, Dec 23, 2:25 PM CST, 7 hours 34 minutes before

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Hazardous weather outlook, Dec 23, 3:10 PM CST, 6 hours 49 minutes before

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In the hours before

Special weather statement, Dec 23, 4:09 PM CST, 5 hours 50 minutes before

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Special weather statement, Dec 23, 4:15 PM CST, 5 hours 44 minutes before

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Special weather statement, Dec 23, 5:02 PM CST, 4 hours 57 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
502 PM CST Wed Dec 23 2020

LAZ027-TXZ259-260-232345-
Vernon LA-Northern Newton TX-Northern Jasper TX-
502 PM CST Wed Dec 23 2020

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN VERNON PARISH IN
WEST CENTRAL LOUISIANA AND NORTHERN NEWTON COUNTIES UNTIL 545 PM
CST...

At 502 PM CST, Doppler radar was tracking a strong thunderstorm near
Mayflower, or 11 miles northwest of Burkeville, moving east at 30
mph.

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

Locations impacted include...
Toledo Bend Dam, Burkeville, Harrisburg, Burr Ferry, Mayflower and
Wiergate.

LAT...LON 3128 9337 3102 9332 3098 9390 3116 9393
      3118 9362 3117 9358 3119 9355 3122 9355
      3123 9354 3124 9355
TIME...MOT...LOC 2302Z 260DEG 26KT 3109 9383

13

Special weather statement, Dec 23, 5:45 PM CST, 4 hours 14 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
545 PM CST Wed Dec 23 2020

LAZ027-TXZ260-240030-
Vernon LA-Northern Newton TX-
545 PM CST Wed Dec 23 2020

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN VERNON PARISH UNTIL
630 PM CST...

At 545 PM CST, Doppler radar was tracking a strong thunderstorm near
Burr Ferry, or near Toledo Bend Dam, moving east at 25 mph.

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

Locations impacted include...
Leesville, Anacoco, Toledo Bend Dam, Slagle, Fort Polk, New Llano and
Burr Ferry.

LAT...LON 3106 9309 3106 9357 3117 9359 3119 9355
      3119 9356 3121 9355 3122 9355 3123 9354
      3124 9355 3134 9311
TIME...MOT...LOC 2345Z 260DEG 22KT 3112 9351

13

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 23, 7:12 PM CST	Tornado Warning	LCH	Beauregard	33 min
Dec 23, 7:18 PM CST	Special Weather Statement	LCH	Grant	42 min
Dec 23, 8:11 PM CST	Tornado Warning	LCH	Rapides	34 min
Dec 23, 8:45 PM CST	Tornado Warning	LCH	Avoyelles, Rapides	18 min
Dec 23, 8:55 PM CST	Tornado Warning	LCH	Rapides, Vernon	35 min
Dec 23, 9:24 PM CST	Tornado Warning	LCH	Rapides	36 min
Dec 23, 9:48 PM CST	Special Weather Statement	LCH	Avoyelles	42 min
Dec 24, 12:37 AM CST	Special Weather Statement	LCH	St. Mary	23 min
Dec 24, 12:41 AM CST	Special Weather Statement	LCH	Saint Martin	34 min
Dec 24, 12:55 AM CST	Special Weather Statement	LCH	Saint Martin	35 min
Dec 24, 9:53 AM CST	Wind Advisory	LCH	Allen, Avoyelles, Beauregard, Evangeline, Rapides, Saint Landry and 1 more	8 hr

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; radar from the NEXRAD Level II archive.