Alert archive / Louisiana / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 89, NWS Shreveport, LA

April 13, 2022Union Parish, Louisiana; Union County, Arkansas

NWS Shreveport, LA issued this severe thunderstorm warning at Apr 13, 2022, 4:29 AM CDT for Union Parish, Louisiana; Union County, Arkansas. It was in force for 61 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, 4:29 AM CDT (09:29 UTC)
Expired: Apr 13, 2022, 5:30 AM CDT
In force: 61 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Union County, AR, Union Parish, LA

The radar

The Shreveport radar (KSHV), 141 km from the middle of the area, began a volume at 09:32 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 00:00Z, 9.5 hours before the alert went out and 132 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: 1943 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 745 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 208 m²/s²
0-3 km storm-relative helicity: 349 m²/s²
Significant tornado parameter: 3.4
Supercell composite: 16.2

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 Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 13, 2:01 AM CDT, 2 hours 28 minutes earlier.

Area forecast discussion, Apr 13, 2:01 AM CDT, 2 hours 28 minutes before

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Hazardous weather outlook, Apr 12, 1:16 PM CDT, 15 hours 13 minutes before

Hazardous Weather Outlook
National Weather Service Shreveport LA
116 PM CDT Tue Apr 12 2022

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-
TXZ096-097-108>112-124>126-136>138-149>153-165>167-131830-
Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette-
Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-De Soto-
Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-
Grant-Caldwell-La Salle-McCurtain-Bowie-Franklin-Titus-Camp-
Morris-Cass-Wood-Upshur-Marion-Smith-Gregg-Harrison-Cherokee-Rusk-
Panola-Nacogdoches-Shelby-Angelina-San Augustine-
116 PM CDT Tue Apr 12 2022

This Hazardous Weather Outlook is for portions of south central
Arkansas, southwest Arkansas, north central Louisiana, northwest
Louisiana, southeast Oklahoma, east Texas and northeast Texas.

.DAY ONE...This Afternoon and Tonight...

Chances for showers and thunderstorms will return to the area this
afternoon and continue into this evening. Some storms may be
severe, with all modes of severe weather possible. Heavy rainfall
will be possible with some storms, which could lead to localized
flooding.

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

Chances for thunderstorms will remain across the area on
Wednesday ahead of cold front. Some of these storms may be
severe, with all modes of severe weather possible. Heavy rainfall
will also remain a possibility, which could lead to localized
flooding. Dry weather is expected on Thursday, but thunderstorm
chances will return by Friday and through the upcoming weekend.

.SPOTTER INFORMATION STATEMENT...Activation of emergency
management personnel, amateur radio operators, and storm spotters
will be needed through Wednesday.

In the hours before

Special weather statement, Apr 13, 2:36 AM CDT, 1 hour 53 minutes before

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Local storm report, Apr 13, 2:38 AM CDT, 1 hour 51 minutes before

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Special weather statement, Apr 13, 2:57 AM CDT, 1 hour 32 minutes before

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Special weather statement, Apr 13, 3:39 AM CDT, 50 minutes before

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Local storm report, Apr 13, 4:22 AM CDT, 7 minutes before

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Local storm report, Apr 13, 4:27 AM CDT, 2 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 12, 7:38 PM CDT	Special Weather Statement	SHV	Wood	37 min
Apr 12, 7:46 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Cherokee, Gregg, Rusk, Smith, Upshur, Wood	59 min
Apr 12, 7:58 PM CDT	Tornado Warning	SHV	Smith, Upshur, Wood	27 min
Apr 12, 8:20 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Angelina, Cherokee, Nacogdoches, Panola, Rusk	55 min
Apr 12, 8:32 PM CDT	Severe Thunderstorm Warning	SHV	Camp, Cherokee, Gregg, Harrison, Panola, Rusk and 2 more	39 min
Apr 12, 8:35 PM CDT	Tornado Warning	SHV	Cass, Gregg, Harrison, Marion, Morris, Upshur	40 min
Apr 12, 8:46 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Bowie, Camp, Cass, Gregg, Harrison, Marion and 5 more	59 min
Apr 12, 8:48 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Angelina, Cherokee, Gregg, Harrison, Nacogdoches, Panola and 2 more	57 min
Apr 12, 9:02 PM CDT	Tornado Warning	SHV	Harrison, Panola, Rusk	17 min
Apr 12, 9:18 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Cass, Harrison, Marion	57 min
Apr 12, 9:25 PM CDT	Severe Thunderstorm Warning	SHV	Harrison, Nacogdoches, Panola, Sabine, San Augustine, Shelby	50 min
Apr 12, 10:21 PM CDT	Flash Flood Warning Considerable damage threat	SHV	Cherokee, Nacogdoches, Rusk, Shelby	4 hr
Apr 12, 11:37 PM CDT	Flash Flood Warning	SHV	Shelby	3 hr
Apr 12, 11:58 PM CDT	Severe Thunderstorm Warning	SHV	Angelina, Cherokee, Nacogdoches, Sabine, San Augustine, Shelby	62 min
Apr 13, 2:57 AM CDT	Special Weather Statement	SHV	Camp	33 min
Apr 13, 3:46 AM CDT	Severe Thunderstorm Warning	SHV	Camp, Cass, Morris, Upshur	18 min
Apr 13, 8:56 AM CDT	Special Weather Statement	SHV	Red River	49 min
Apr 13, 9:44 AM CDT	Special Weather Statement	SHV	Red River	46 min
Apr 13, 9:45 AM CDT	Special Weather Statement	SHV	Red River	45 min
Apr 13, 9:46 AM CDT	Severe Thunderstorm Warning	SHV	Camp, Franklin, Titus, Upshur, Wood	44 min
Apr 13, 9:56 AM CDT	Severe Thunderstorm Warning	SHV	Bowie, Franklin, Morris, Red River, Titus	49 min
Apr 13, 10:16 AM CDT	River Flood Warning	SHV	Angelina, Cherokee, Nacogdoches	8 days
Apr 13, 10:18 AM CDT	River Flood Warning	SHV	Nacogdoches, Rusk, San Augustine, Shelby	6 days
Apr 13, 10:30 AM CDT	Severe Thunderstorm Warning	SHV	Bowie, Camp, Cass, Franklin, Morris, Titus	45 min
Apr 13, 10:33 AM CDT	Severe Thunderstorm Warning	SHV	Bowie	42 min
Apr 13, 11:13 AM CDT	Severe Thunderstorm Warning	SHV	Bowie	47 min
Apr 13, 12:47 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Franklin, Red River, Titus, Wood	58 min
Apr 13, 1:18 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Red River, Titus	42 min
Apr 13, 1:23 PM CDT	Severe Thunderstorm Warning	SHV	Camp, Franklin, Morris, Titus, Wood	52 min
Apr 13, 1:46 PM CDT	Severe Thunderstorm Warning	SHV	Cherokee, Gregg, Rusk, Smith	59 min
Apr 13, 1:59 PM CDT	Severe Thunderstorm Warning	SHV	Bowie	36 min
Apr 13, 2:07 PM CDT	Special Weather Statement	SHV	Upshur	38 min
Apr 13, 2:47 PM CDT	Special Weather Statement	SHV	Cherokee	43 min
Apr 13, 3:56 PM CDT	Severe Thunderstorm Warning	SHV	Sabine, Shelby	64 min
Apr 12, 9:48 PM CDT	Tornado Warning	SHV	Bienville, Bossier, Caddo, De Soto, Webster	27 min
Apr 12, 9:52 PM CDT	Tornado Warning	SHV	Bossier, Caddo, Webster	23 min
Apr 12, 9:57 PM CDT	Tornado Warning	SHV	Bossier, Caddo, Webster	18 min
Apr 12, 10:03 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Bossier, Caddo, De Soto, Lincoln, Natchitoches and 2 more	42 min
Apr 12, 10:08 PM CDT	Tornado Warning	SHV	Bienville, Bossier, Claiborne, Webster	29 min
Apr 12, 10:12 PM CDT	Tornado Warning	SHV	Bienville, De Soto, Natchitoches, Red River	33 min
Apr 12, 10:13 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Bossier, Caddo, Claiborne, Lincoln, Webster	32 min
Apr 12, 10:19 PM CDT	Tornado Warning	SHV	Bienville, Bossier, Caddo, Natchitoches, Red River	26 min
Apr 12, 10:37 PM CDT	Tornado Warning	SHV	Bienville, Jackson, Lincoln	38 min
Apr 12, 10:39 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, De Soto, Jackson, Lincoln, Natchitoches, Ouachita and 3 more	51 min
Apr 12, 10:43 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Claiborne, Lincoln, Ouachita, Union, Webster	47 min
Apr 12, 11:21 PM CDT	Tornado Warning	SHV	Jackson, Lincoln, Ouachita, Union	39 min
Apr 12, 11:26 PM CDT	Severe Thunderstorm Warning	SHV	Caldwell, Jackson, Lincoln, Natchitoches, Ouachita, Union and 1 more	64 min
Apr 13, 12:30 AM CDT	Special Weather Statement	SHV	Grant, LaSalle, Natchitoches, Winn	30 min
Apr 13, 1:02 AM CDT	Flash Flood Warning	SHV	Caldwell, Grant, LaSalle, Natchitoches, Sabine, Winn	3 hr
Apr 13, 1:16 AM CDT	Special Weather Statement	SHV	Grant, LaSalle, Natchitoches, Sabine, Winn	29 min
Apr 13, 2:05 AM CDT	Special Weather Statement	SHV	Red River	25 min
Apr 13, 2:36 AM CDT	Special Weather Statement	SHV	Bienville, Jackson	24 min
Apr 13, 2:49 AM CDT	Severe Thunderstorm Warning	SHV	Bienville, Claiborne, Webster	26 min
Apr 13, 3:14 AM CDT	Severe Thunderstorm Warning	SHV	Claiborne	46 min
Apr 13, 3:39 AM CDT	Special Weather Statement	SHV	Lincoln	36 min
Apr 13, 3:49 AM CDT	Severe Thunderstorm Warning	SHV	Claiborne, Lincoln, Union	41 min
Apr 13, 5:09 AM CDT	Severe Thunderstorm Warning	SHV	Union	34 min
Apr 13, 3:41 PM CDT	Tornado Warning	SHV	Claiborne	24 min
Apr 13, 3:44 PM CDT	Tornado Warning	SHV	De Soto, Sabine	31 min
Apr 13, 4:05 PM CDT	Severe Thunderstorm Warning	SHV	De Soto, Natchitoches, Red River, Sabine	40 min
Apr 13, 4:17 PM CDT	Tornado Warning	SHV	Grant, Winn	28 min
Apr 13, 4:39 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Grant, Jackson, Natchitoches, Winn	51 min
Apr 13, 4:40 PM CDT	Tornado Warning	SHV	Winn	50 min
Apr 13, 5:11 PM CDT	Tornado Warning	SHV	Caldwell, Jackson, Winn	35 min
Apr 13, 5:14 PM CDT	Severe Thunderstorm Warning Destructive damage threat	SHV	Caldwell, Grant, Jackson, LaSalle, Natchitoches, Winn	46 min
Apr 13, 5:18 PM CDT	Special Weather Statement	SHV	Ouachita	27 min
Apr 13, 5:56 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Grant, LaSalle	49 min
Apr 12, 10:25 PM CDT	Tornado Warning	SHV	Hempstead, Nevada	35 min
Apr 13, 5:03 AM CDT	Special Weather Statement	SHV	Lafayette	27 min
Apr 13, 6:42 AM CDT	Special Weather Statement	SHV	Nevada	18 min
Apr 13, 10:41 AM CDT	Special Weather Statement	SHV	Howard, Sevier	49 min
Apr 13, 11:54 AM CDT	Severe Thunderstorm Warning	SHV	Hempstead, Nevada	36 min
Apr 13, 12:29 PM CDT	Special Weather Statement	SHV	Nevada	31 min
Apr 13, 2:54 PM CDT	Special Weather Statement	SHV	Columbia	51 min
Apr 13, 3:54 PM CDT	Special Weather Statement	SHV	Union	36 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2022 Severe Thunderstorm Warnings in Arkansas, 2022 Every 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.