Alert archive / Texas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 151, NWS Shreveport, LA

May 1, 2019Franklin County, Red River County, Titus County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at May 1, 2019, 9:08 PM CDT for Franklin County, Red River County, Titus County, Texas. It was in force for 67 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 1, 2019, 9:08 PM CDT (02:08 UTC)
Expired: May 1, 2019, 10:15 PM CDT
In force: 67 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Franklin County, TX, Red River County, TX, Titus County, TX

The radar

The Shreveport radar (KSHV), 152 km from the middle of the area, began a volume at 02:09 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
May 1, 5:29 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 2.1 hours before the alert went out and 214 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: 2332 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 775 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 239 m²/s²
0-3 km storm-relative helicity: 270 m²/s²
Significant tornado parameter: 2.7
Supercell composite: 14.6

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 May 1, 6:46 PM CDT, 2 hours 22 minutes earlier.

Area forecast discussion, May 1, 6:46 PM CDT, 2 hours 22 minutes before

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Hazardous weather outlook, May 1, 6:01 PM CDT, 3 hours 7 minutes before

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In the hours before

Special weather statement, May 1, 8:12 PM CDT, 56 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
May 1, 8:12 PM CDT	Special Weather Statement	SHV	Red River	63 min
May 1, 8:46 PM CDT	Severe Thunderstorm Warning	SHV	Red River	15 min
May 1, 8:50 PM CDT	Severe Thunderstorm Warning	SHV	Red River	25 min
May 1, 9:50 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Cass, Morris, Red River, Titus	55 min
May 1, 10:19 PM CDT	Severe Thunderstorm Warning	SHV	Camp, Cass, Franklin, Morris, Titus, Upshur and 1 more	26 min
May 1, 10:47 PM CDT	Special Weather Statement	SHV	Bowie, Camp, Cass, Gregg, Morris, Upshur	58 min
May 1, 10:59 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Camp, Cass, Gregg, Harrison, Marion and 2 more	46 min
May 1, 11:39 PM CDT	Special Weather Statement	SHV	Cass, Marion	51 min
May 1, 11:47 PM CDT	Special Weather Statement	SHV	Gregg, Smith, Upshur	43 min
May 2, 12:31 AM CDT	Flash Flood Warning	SHV	Gregg, Smith, Upshur, Wood	3 hr
May 2, 12:36 AM CDT	Special Weather Statement	SHV	Gregg, Rusk, Smith	39 min
May 2, 1:17 AM CDT	Special Weather Statement	SHV	Gregg, Harrison, Marion	43 min
May 2, 2:28 AM CDT	Special Weather Statement	SHV	Cherokee, Gregg, Rusk, Smith	47 min
May 2, 2:40 AM CDT	Severe Thunderstorm Warning	SHV	Harrison, Marion	35 min
May 2, 3:00 AM CDT	Severe Thunderstorm Warning	SHV	Gregg, Harrison, Panola, Rusk, Smith	45 min
May 2, 3:29 AM CDT	Areal Flood Advisory	SHV	Gregg, Harrison, Rusk, Smith, Upshur	3 hr
May 2, 3:44 AM CDT	Special Weather Statement	SHV	Panola	46 min
May 2, 4:03 AM CDT	Special Weather Statement	SHV	Cherokee	27 min
May 2, 4:22 AM CDT	Severe Thunderstorm Warning	SHV	Angelina, Cherokee, Nacogdoches	38 min
May 2, 4:34 AM CDT	Special Weather Statement	SHV	Harrison	41 min
May 2, 4:36 AM CDT	Special Weather Statement	SHV	Panola, Rusk	39 min
May 2, 4:54 AM CDT	Severe Thunderstorm Warning	SHV	Angelina, Cherokee, Nacogdoches	36 min
May 2, 5:19 AM CDT	Special Weather Statement	SHV	Panola	41 min
May 2, 5:24 AM CDT	Severe Thunderstorm Warning	SHV	Angelina, Nacogdoches, Rusk, San Augustine, Shelby	51 min
May 2, 5:41 AM CDT	Severe Thunderstorm Warning	SHV	Harrison, Panola, Shelby	64 min
May 2, 5:54 AM CDT	Flash Flood Warning	SHV	Gregg, Harrison, Panola, Rusk, Shelby	3 hr
May 2, 6:13 AM CDT	Severe Thunderstorm Warning	SHV	Panola, Sabine, San Augustine, Shelby	62 min
May 2, 8:42 AM CDT	River Flood Warning	SHV	Bowie, Red River	48 hr
May 2, 8:43 AM CDT	River Flood Warning	SHV	Angelina, Cherokee, Nacogdoches	21 days
May 2, 8:45 AM CDT	River Flood Warning	SHV	Nacogdoches, Rusk, San Augustine, Shelby	15 days
May 2, 8:46 AM CDT	River Flood Warning	SHV	Nacogdoches, Rusk	24 hr
May 2, 9:49 AM CDT	River Flood Warning	SHV	Gregg, Harrison, Panola, Rusk	28 days
May 2, 9:49 AM CDT	River Flood Warning	SHV	Panola, Shelby	23 hr
May 2, 10:15 AM CDT	River Flood Warning	SHV	Gregg, Harrison, Marion, Upshur	4 days
May 2, 6:42 AM CDT	Special Weather Statement	SHV	Bossier, Caddo, Webster	48 min
May 2, 7:16 AM CDT	Special Weather Statement	SHV	De Soto, Natchitoches, Red River, Sabine	44 min
May 2, 7:30 AM CDT	Special Weather Statement	SHV	Webster	45 min
May 2, 7:59 AM CDT	Special Weather Statement	SHV	Natchitoches	46 min
May 2, 8:16 AM CDT	Special Weather Statement	SHV	Bienville	44 min
May 2, 6:52 AM CDT	River Flood Warning	SHV	Little River, Sevier	50 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2019 Every 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.