Alert archive / Texas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 183, NWS Shreveport, LA

April 26, 2023Angelina County, Cherokee County, Nacogdoches County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Apr 26, 2023, 10:25 PM CDT for Angelina County, Cherokee County, Nacogdoches County, Texas. It was in force for 50 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 26, 2023, 10:25 PM CDT (03:25 UTC)
Expired: Apr 26, 2023, 11:15 PM CDT
In force: 50 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Damage threat: Destructive
Hail: 2.75 in
Wind: 60.0 mph

Counties Angelina County, TX, Cherokee County, TX, Nacogdoches County, TX

The radar

The Shreveport radar (KSHV), 133 km from the middle of the area, began a volume at 03:24 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
Apr 26, 7:03 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 3.4 hours before the alert went out and 273 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: 35 J/kg
Mixed-layer CIN: -205 J/kg
Mixed-layer LCL: 534 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 149 m²/s²
0-3 km storm-relative helicity: 160 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

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 26, 7:35 PM CDT, 2 hours 50 minutes earlier.

Area forecast discussion, Apr 26, 7:35 PM CDT, 2 hours 50 minutes before

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Hazardous weather outlook, Apr 26, 12:53 PM CDT, 9 hours 32 minutes before

Hazardous Weather Outlook
National Weather Service Shreveport LA
1253 PM CDT Wed Apr 26 2023

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096-
097-108>112-124>126-136>138-149>153-165>167-271800-
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-
1253 PM CDT Wed Apr 26 2023

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

.DAY ONE...This afternoon and tonight.

Widespread strong to severe thunderstorms will be possible this
evening, continuing overnight tonight. Hail and damaging winds look
to be the primary threats associated with these storms.

Additionally, areas of training torrential rainfall may lead to
flash flooding across the ArkLaTex, particularly along the I-20
corridor of east Texas.

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

Strong to severe thunderstorms will continue overnight into early
Thursday morning. Hail and damaging winds will continue to be the
primary threats. Storms will come to an end from west to east into
Thursday, after which no further hazardous weather is expected at
this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

In the hours before

Local storm report, Apr 26, 9:05 PM CDT, 1 hour 20 minutes before

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Local storm report, Apr 26, 9:19 PM CDT, 1 hour 6 minutes before

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Special weather statement, Apr 26, 9:30 PM CDT, 55 minutes before

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Local storm report, Apr 26, 9:32 PM CDT, 53 minutes before

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Local storm report, Apr 26, 9:40 PM CDT, 45 minutes before

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Local storm report, Apr 26, 10:02 PM CDT, 23 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 26, 8:53 PM CDT	River Flood Warning	SHV	Gregg	63 hr
Apr 26, 9:01 PM CDT	Special Weather Statement	SHV	Cherokee	29 min
Apr 26, 9:30 PM CDT	Special Weather Statement	SHV	Rusk	45 min
Apr 26, 10:29 PM CDT	Areal Flood Advisory	SHV	Angelina, Cherokee, Nacogdoches, Rusk, Smith	3 hr
Apr 26, 10:48 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Angelina	27 min
Apr 26, 11:12 PM CDT	Severe Thunderstorm Warning	SHV	Angelina, Nacogdoches, San Augustine	48 min
Apr 26, 11:54 PM CDT	Severe Thunderstorm Warning	SHV	Angelina, Nacogdoches, Sabine, San Augustine	66 min
Apr 26, 7:20 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Natchitoches, Sabine	40 min
Apr 26, 7:58 PM CDT	Special Weather Statement	SHV	Natchitoches	62 min
Apr 27, 12:51 AM CDT	Special Weather Statement	SHV	Sabine	54 min
Apr 27, 1:37 AM CDT	Special Weather Statement	SHV	Natchitoches	53 min
Apr 27, 2:28 AM CDT	Special Weather Statement	SHV	Grant, Winn	62 min
Apr 27, 9:37 AM CDT	River Flood Warning	SHV	Caddo, De Soto	14 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2023 Every severe thunderstorm warning in 2023

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.