Alert archive / Texas / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 131, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Apr 18, 2019, 3:25 AM CDT for Angelina County, Nacogdoches County, Texas. It was in force for 65 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 18, 2019, 3:25 AM CDT (08:25 UTC)
- Expired
- Apr 18, 2019, 4:30 AM CDT
- In force
- 65 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Angelina County, TX, Nacogdoches County, TX
The radar
The Shreveport radar (KSHV), 134 km from the middle of the area, began a volume at 08:27 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 18, 1:09 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 8.4 hours before the alert went out and 199 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.
- Mixed-layer CAPE
- 553 J/kg
- Mixed-layer CIN
- -209 J/kg
- Mixed-layer LCL
- 597 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 195 m²/s²
- 0-3 km storm-relative helicity
- 210 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
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 18, 3:25 AM CDT, 0 minutes earlier.
Area forecast discussion, Apr 18, 3:25 AM CDT, 0 minutes before
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Hazardous Weather Outlook National Weather Service Shreveport LA 1156 AM CDT Wed Apr 17 2019 ARZ050-051-059-060-070-OKZ077-TXZ096-097-108>112-124-125-136-149- 165>167-181700- Sevier-Howard-Little River-Hempstead-Miller-McCurtain-Red River- Bowie-Franklin-Titus-Camp-Morris-Cass-Wood-Upshur-Smith-Cherokee- Angelina-San Augustine-Sabine- 1156 AM CDT Wed Apr 17 2019 This Hazardous Weather Outlook is for portions of southwest Arkansas, southeast Oklahoma, east Texas, and northeast Texas. .DAY ONE...This Afternoon and Tonight... Strong to severe thunderstorms remain possible during tonight and into Thursday morning. Large hail, damaging winds, and even a tornado or two remain possible. Locally heavy rainfall may lead to isolated flash flooding. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday... Strong to severe thunderstorms will continue into Thursday. Large hail, damaging winds, and a tornado or two will be possible. In addition, locally heavy rainfall may lead to isolated flash flooding. The severe weather threat should end from west to east by Thursday afternoon. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed tonight and into Thursday. ARZ061-071>073-LAZ001>006-010>014-TXZ126-137-138-150>153-181700- Nevada-Lafayette-Columbia-Union-Caddo-Bossier-Webster-Claiborne- Lincoln-De Soto-Red River-Bienville-Jackson-Ouachita-Marion-Gregg- Harrison-Rusk-Panola-Nacogdoches-Shelby- 1156 AM CDT Wed Apr 17 2019 This Hazardous Weather Outlook is for portions of south central Arkansas, southwest Arkansas, north central Louisiana, northwest Louisiana, east Texas, and northeast Texas. .DAY ONE...This Afternoon and Tonight... A Flash Flood Watch is in effect 7 PM CDT this Wednesday evening until 7 PM CDT Thursday evening. Strong to severe thunderstorms are possible tonight and into Thursday. Large hail, damaging winds, and a tornado or two remain possible. Locally heavy rainfall may lead to flash flooding, especially where soils remain very wet from recent heavy rains in southern Arkansas and northern Louisiana. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday... A Flash Flood Watch is in effect 7 PM CDT this Wednesday evening until 7 PM CDT Thursday evening. Strong to severe thunderstorms will continue into Thursday. Large hail, damaging winds, and a tornado or two remain possible. In addition, locally heavy rainfall may lead to flash flooding, especially where soils remain very wet from recent heavy rains in southern Arkansas and northern Louisiana. The severe weather threat should end from west to east during Thursday afternoon. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed tonight and into Thursday. LAZ017>022-181700- Sabine-Natchitoches-Winn-Grant-Caldwell-La Salle- 1156 AM CDT Wed Apr 17 2019 This Hazardous Weather Outlook is for portions of north central Louisiana and northwest Louisiana. .DAY ONE...This Afternoon and Tonight... Strong to severe thunderstorms are possible late tonight and more likely during the daytime hours of Thursday. Large hail, damaging winds, and a tornado or two will be possible. Locally heavy rainfall may lead to isolated flash flooding. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday... Strong to severe thunderstorms are possible during the daytime hours of Thursday. Large hail, damaging winds, and a tornado or two remain possible. In addition, locally heavy rainfall may lead to isolated flash flooding. The severe weather threat should end from west to east by late Thursday afternoon or early Thursday evening. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed by Thursday morning.
In the hours before
Special weather statement, Apr 18, 12:00 AM CDT, 3 hours 25 minutes before
Special Weather Statement
National Weather Service Shreveport LA
1200 AM CDT Thu Apr 18 2019
ARZ050-059-OKZ077-TXZ096-097-180545-
Sevier AR-Little River AR-McCurtain OK-Bowie TX-Red River TX-
1200 AM CDT Thu Apr 18 2019
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN LITTLE RIVER...
NORTHWESTERN SEVIER...SOUTHEASTERN MCCURTAIN...NORTHWESTERN BOWIE AND
EAST CENTRAL RED RIVER COUNTIES UNTIL 1245 AM CDT...
At 1200 AM CDT, Doppler radar was tracking a strong thunderstorm 8
miles northwest of Arkinda, or 14 miles northwest of Foreman, moving
northeast at 35 mph.
Nickel size hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
De Queen, Horatio, Idabel, Gillham, Haworth, Bokhoma, Eagletown,
Moon, Cerrogordo, Beaverdams, Goodlake, Harris, Geneva, Goodwater,
Shinewell, Tom, America, West Line, Bryarly and West Otis.
LAT...LON 3419 9447 3419 9417 3414 9409 3414 9410
3413 9410 3413 9408 3357 9472 3372 9495
3426 9447
TIME...MOT...LOC 0500Z 218DEG 32KT 3384 9460
12Special weather statement, Apr 18, 12:48 AM CDT, 2 hours 37 minutes before
Special Weather Statement
National Weather Service Shreveport LA
1248 AM CDT Thu Apr 18 2019
ARZ061-180630-
Nevada AR-
1248 AM CDT Thu Apr 18 2019
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN NEVADA COUNTY UNTIL
130 AM CDT...
At 1248 AM CDT, Doppler radar was tracking a strong thunderstorm
near Willisville, or 13 miles north of Waldo, moving northeast at 60
mph.
Penny size hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
Rosston, Willisville, Bodcaw, Bluff City, White Oak Lake State Park,
Cale, Mount Moriah, Young, Morris, Waterloo and Reader.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 3382 9320 3380 9318 3382 9314 3379 9313
3378 9311 3378 9310 3359 9311 3345 9329
3354 9340
TIME...MOT...LOC 0547Z 222DEG 53KT 3355 9329
15Special weather statement, Apr 18, 1:12 AM CDT, 2 hours 13 minutes before
Special Weather Statement
National Weather Service Shreveport LA
112 AM CDT Thu Apr 18 2019
ARZ061-072-180645-
Nevada AR-Columbia AR-
112 AM CDT Thu Apr 18 2019
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN NEVADA AND
NORTHWESTERN COLUMBIA COUNTIES UNTIL 145 AM CDT...
At 112 AM CDT, Doppler radar was tracking a strong thunderstorm just
west of Waldo, moving northeast at 60 mph.
Penny to nickel size hail and winds in excess of 40 mph will be
possible with this storm.
Locations impacted include...
Waldo, Willisville, White Oak Lake State Park, Young, College Hill,
Lamartine and Waterloo.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
A Severe Thunderstorm Watch remains in effect until 900 AM CDT for
southwestern Arkansas.
LAT...LON 3342 9312 3330 9332 3335 9341 3344 9336
3371 9311
TIME...MOT...LOC 0611Z 215DEG 50KT 3339 9331
15Local storm report, Apr 18, 1:46 AM CDT, 1 hour 39 minutes before
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</html>The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 10:49 PM CDT | Special Weather Statement | SHV | Red River | 41 min |
| Apr 17, 11:19 PM CDT | Severe Thunderstorm Warning | SHV | Bowie, Red River | 41 min |
| Apr 18, 1:58 AM CDT | Lake Wind Advisory | SHV | Angelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more | 17 hr |
| Apr 18, 2:37 AM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Nacogdoches, Rusk, Smith | 53 min |
| Apr 18, 2:41 AM CDT | Special Weather Statement | SHV | Smith | 64 min |
| Apr 18, 3:30 AM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Harrison, Nacogdoches, Panola, Rusk, Shelby | 60 min |
| Apr 18, 3:35 AM CDT | Special Weather Statement | SHV | Gregg, Harrison, Upshur | 40 min |
| Apr 18, 4:23 AM CDT | Severe Thunderstorm Warning | SHV | Harrison, Nacogdoches, Panola, Shelby | 67 min |
| Apr 18, 4:35 AM CDT | Special Weather Statement | SHV | Angelina, San Augustine, Shelby | 40 min |
| Apr 18, 6:08 AM CDT | Special Weather Statement | SHV | Sabine | 52 min |
| Apr 18, 10:00 AM CDT | River Flood Warning | SHV | Angelina, Houston, Polk, Trinity, Tyler | 49 days |
| Apr 18, 10:03 AM CDT | River Flood Warning | SHV | Franklin, Morris, Red River, Titus | 70 hr |
| Apr 18, 10:04 AM CDT | River Flood Warning | SHV | Gregg, Smith, Upshur, Wood | 55 days |
| Apr 18, 10:06 AM CDT | River Flood Warning | SHV | Wood | 70 hr |
| Apr 18, 5:27 AM CDT | Special Weather Statement | SHV | Webster | 48 min |
| Apr 18, 6:47 AM CDT | Severe Thunderstorm Warning | SHV | De Soto, Natchitoches, Red River, Sabine | 43 min |
| Apr 18, 7:28 AM CDT | Severe Thunderstorm Warning | SHV | Bienville, Jackson, Natchitoches, Red River, Winn | 29 min |
| Apr 18, 8:17 AM CDT | Tornado Warning | SHV | Grant, Natchitoches | 29 min |
| Apr 18, 8:46 AM CDT | Severe Thunderstorm Warning | SHV | Grant, Natchitoches, Winn | 44 min |
| Apr 18, 9:28 AM CDT | Severe Thunderstorm Warning | SHV | Grant, Natchitoches, Winn | 62 min |
| Apr 18, 10:19 AM CDT | Severe Thunderstorm Warning | SHV | Caldwell, Jackson, Ouachita, Winn | 37 min |
| Apr 18, 4:46 PM CDT | Special Weather Statement | SHV | Bossier | 44 min |
| Apr 17, 10:54 PM CDT | Special Weather Statement | SHV | Sevier | 51 min |
| Apr 17, 11:03 PM CDT | Severe Thunderstorm Warning | SHV | Howard, Sevier | 42 min |
| Apr 18, 12:00 AM CDT | Special Weather Statement | SHV | Sevier | 45 min |
| Apr 18, 12:48 AM CDT | Special Weather Statement | SHV | Nevada | 42 min |
| Apr 18, 1:06 AM CDT | Severe Thunderstorm Warning | SHV | Nevada | 24 min |
| Apr 18, 1:12 AM CDT | Special Weather Statement | SHV | Nevada | 33 min |
| Apr 18, 2:04 AM CDT | Special Weather Statement | SHV | Nevada | 41 min |
| Apr 18, 3:46 AM CDT | Special Weather Statement | SHV | Lafayette, Miller | 44 min |
| Apr 18, 4:28 AM CDT | Special Weather Statement | SHV | Columbia, Lafayette, Nevada | 32 min |
| Apr 18, 4:46 AM CDT | Flash Flood Warning | SHV | Hempstead, Nevada | 3 hr |
| Apr 18, 5:19 AM CDT | Special Weather Statement | SHV | Union | 41 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2019Every severe thunderstorm warning in 2019
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.