Alert archive / Louisiana / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 126, NWS Shreveport, LA

April 13, 20195 parishes in Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Apr 13, 2019, 3:55 PM CDT for 5 parishes in Louisiana. 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 13, 2019, 3:55 PM CDT (20:55 UTC)
Expired: Apr 13, 2019, 4:45 PM CDT
In force: 50 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Bienville Parish, LA, De Soto Parish, LA, Natchitoches Parish, LA, Red River Parish, LA, Sabine Parish, LA

The radar

The Shreveport radar (KSHV), 71 km from the middle of the area, began a volume at 20:56 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 13, 11:26 AM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Shreveport, LA (KBAD), launched 12:00Z, 8.9 hours before the alert went out and 69 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 651 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 337 m²/s²
0-3 km storm-relative helicity: 747 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.1

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, 3:55 PM CDT, 0 minutes earlier.

Area forecast discussion, Apr 13, 3:55 PM CDT, 0 minutes before

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Hazardous weather outlook, Apr 13, 1:35 PM CDT, 2 hours 20 minutes before

Hazardous Weather Outlook
National Weather Service Shreveport LA
135 PM CDT Sat Apr 13 2019

ARZ050-051-059>061-TXZ097-108-109-141845-
Sevier-Howard-Little River-Hempstead-Nevada-Bowie-Franklin-Titus-
135 PM CDT Sat Apr 13 2019

This Hazardous Weather Outlook is for portions of southwest
Arkansas and northeast Texas.

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

...A Flash Flood Watch is in effect until 1 AM CDT Sunday
morning...

Locally heavy rainfall possibly leading to flash flooding remains
the main threat, this afternoon and evening...although a few
storms may become severe with large hail and strong to damaging
winds this afternoon.

The severe weather and flooding threat should diminish by late
this evening.

.DAYS TWO THROUGH SEVEN...Sunday through Friday...

Thunderstorms will be possible late Tuesday through late Thursday
afternoon. Some of these storms may be strong to severe Wednesday
and Wednesday night. In addition, heavy rainfall may lead to a
renewed threat for flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will remain possible this afternoon and
possibly into this evening.

ARZ070>073-LAZ001>006-TXZ110>112-124>126-136>138-141845-
Miller-Lafayette-Columbia-Union-Caddo-Bossier-Webster-Claiborne-
Lincoln-Camp-Morris-Cass-Wood-Upshur-Marion-Smith-Gregg-Harrison-
135 PM CDT Sat Apr 13 2019

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

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

..Severe Thunderstorm watch in effect until 3 pm this afternoon...
...A Flash Flood Watch is in effect until 1 AM CDT Sunday
morning...

Severe thunderstorms are likely this afternoon and possibly into
the evening. The greatest severe weather threat is expected large
hail, damaging winds, and locally heavy rainfall leading to flash
flooding. However, their also exists a potential for large
destructive tornadoes later this afternoon.

The severe weather threat should diminish by late this evening.

.DAYS TWO THROUGH SEVEN...Sunday through Friday...

Thunderstorms will be possible late Tuesday through late Thursday
afternoon. Some of these storms may be strong to severe Wednesday
and Wednesday night. In addition, heavy rainfall may lead to a
renewed threat for flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed this afternoon and
evening.

LAZ010>014-017>022-TXZ149>153-165>167-141845-
De Soto-Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-
Winn-Grant-Caldwell-La Salle-Cherokee-Rusk-Panola-Nacogdoches-
Shelby-Angelina-San Augustine-
135 PM CDT Sat Apr 13 2019

This Hazardous Weather Outlook is for portions of north central
Louisiana, northwest Louisiana, east Texas and northeast Texas.

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

...A Tornado Watch is in effect until 7 pm this evening...

Severe thunderstorms are expected this afternoon and into the
evening. Large destructive tornadoes may occur across this area
this afternoon and early evening. Other severe weather threats
that will continue throughout the afternoon and evening hours...
including very large hail, damaging winds, and locally heavy
rainfall leading to flash flooding.

The severe weather threat should diminish after midnight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday...

Thunderstorms will be possible late Tuesday through late Thursday
afternoon. Some of these storms may be strong to severe Wednesday
and Wednesday night. In addition, heavy rainfall may lead to a
renewed threat for flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will be needed this afternoon and into this
evening.

OKZ077-TXZ096-141845-
McCurtain-Red River-
135 PM CDT Sat Apr 13 2019

This Hazardous Weather Outlook is for portions of southeast
Oklahoma and northeast Texas.

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

Showers and thunderstorms this afternoon will weaken by evening.
Locally heavy rainfall, strong gusty winds, and small hail may
occur in stronger storms this afternoon.

The severe weather threat should diminish by late this evening.

.DAYS TWO THROUGH SEVEN...Sunday through Friday...

Thunderstorms will be possible late Tuesday through late Thursday
afternoon. Some of these storms may be strong to severe Wednesday
and Wednesday night. In addition, heavy rainfall may lead to a
renewed threat for flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time for this
afternoon and evening.

07

In the hours before

Local storm report, Apr 13, 12:25 PM CDT, 3 hours 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1225 PM CDT SAT APR 13 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1157 AM     TSTM WND DMG     ALTO                    31.65N 95.07W
04/13/2019                   CHEROKEE           TX   EMERGENCY MNGR

            2 HOMES DAMAGED IN DOWNTOWN ALTO.

&&

25

Local storm report, Apr 13, 12:30 PM CDT, 3 hours 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1230 PM CDT SAT APR 13 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1127 AM     TSTM WND DMG     5 S SHREVEPORT          32.40N 93.80W
04/13/2019                   CADDO              LA   PUBLIC

            DOWNED TREES IN SOUTHERN HILLS NEIGHBORHOOD.

&&

25

Local storm report, Apr 13, 12:52 PM CDT, 3 hours 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1252 PM CDT SAT APR 13 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1200 PM     TORNADO          ALTO                    31.65N 95.07W
04/13/2019                   CHEROKEE           TX   EMERGENCY MNGR

            POSSIBLE TORNADO WITH 2 HOMES REPORTED
            DESTROYED.

&&

Local storm report, Apr 13, 2:28 PM CDT, 1 hour 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
228 PM CDT SAT APR 13 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1030 AM     FLASH FLOOD      4 S STRONG              33.05N 92.36W
04/13/2019                   UNION              AR   DEPT OF HIGHWAYS

            HIGHWAY 275 CLOSED FROM FROM HWY 129
            INTERSECTION SOUTH TO LOUISIANA BORDER IN
            UNION COUNTY. HEAVY RAINFALL HAS FLOODED
            HIGHWAY AT THREE DIFFERENT CREEK CROSSINGS.

&&

20

Local storm report, Apr 13, 2:42 PM CDT, 1 hour 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
242 PM CDT SAT APR 13 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0157 PM     HAIL             GRAMBLING               32.52N 92.72W
04/13/2019  E1.00 INCH       LINCOLN            LA   PUBLIC

            QUARTER SIZE HAIL REPORTED AT GRAMBLING
            STATE UNIVERSITY.

&&

20

Local storm report, Apr 13, 2:53 PM CDT, 1 hour 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
253 PM CDT SAT APR 13 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0159 PM     TSTM WND DMG     2 ESE FARMERVILLE       32.77N 92.37W
04/13/2019                   UNION              LA   PUBLIC

            TREES AND POWERLINES DOWN.

&&

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 12, 9:39 PM CDT	River Flood Warning	SHV	Nacogdoches, Rusk, San Augustine, Shelby	15 days
Apr 12, 11:09 PM CDT	Special Weather Statement	SHV	Franklin, Red River, Titus	51 min
Apr 13, 12:07 AM CDT	Special Weather Statement	SHV	San Augustine	23 min
Apr 13, 12:20 AM CDT	Special Weather Statement	SHV	Shelby	40 min
Apr 13, 12:22 AM CDT	Special Weather Statement	SHV	Sabine, San Augustine	38 min
Apr 13, 12:59 AM CDT	Special Weather Statement	SHV	Camp, Upshur	46 min
Apr 13, 1:42 AM CDT	Severe Thunderstorm Warning	SHV	Sabine	47 min
Apr 13, 2:47 AM CDT	Special Weather Statement	SHV	Smith	28 min
Apr 13, 2:50 AM CDT	Special Weather Statement	SHV	Upshur, Wood	40 min
Apr 13, 2:53 AM CDT	Lake Wind Advisory	SHV	Angelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more	37 hr
Apr 13, 3:27 AM CDT	Flash Flood Watch	SHV	Angelina, Bowie, Camp, Cass, Cherokee, Franklin and 14 more	16 hr
Apr 13, 3:50 AM CDT	Special Weather Statement	SHV	Harrison	40 min
Apr 13, 4:33 AM CDT	Special Weather Statement	SHV	Cass, Harrison, Marion	42 min
Apr 13, 4:46 AM CDT	Severe Thunderstorm Warning	SHV	Harrison	44 min
Apr 13, 7:50 AM CDT	River Flood Warning	SHV	Smith, Wood	49 hr
Apr 13, 7:51 AM CDT	River Flood Warning	SHV	Gregg, Smith, Upshur, Wood	21 days
Apr 13, 7:52 AM CDT	River Flood Warning	SHV	Gregg, Rusk	21 days
Apr 13, 7:53 AM CDT	River Flood Warning	SHV	Gregg	46 hr
Apr 13, 9:15 AM CDT	Special Weather Statement	SHV	San Augustine, Shelby	45 min
Apr 13, 9:18 AM CDT	Severe Thunderstorm Warning	SHV	San Augustine, Shelby	42 min
Apr 13, 9:42 AM CDT	River Flood Warning	SHV	Franklin, Morris, Titus	6 days
Apr 13, 9:43 AM CDT	River Flood Warning	SHV	Gregg, Harrison, Marion, Upshur	21 days
Apr 13, 9:53 AM CDT	Severe Thunderstorm Warning	SHV	Panola, Shelby	14 min
Apr 13, 10:21 AM CDT	Flash Flood Warning	SHV	Harrison, Panola, Shelby	3 hr
Apr 13, 10:27 AM CDT	Severe Thunderstorm Warning	SHV	Cass, Harrison, Marion	31 min
Apr 13, 10:29 AM CDT	Severe Thunderstorm Warning	SHV	Harrison, Panola	31 min
Apr 13, 10:31 AM CDT	Severe Thunderstorm Warning	SHV	Sabine, San Augustine, Shelby	29 min
Apr 13, 10:33 AM CDT	Severe Thunderstorm Warning	SHV	Smith, Wood	42 min
Apr 13, 10:51 AM CDT	Areal Flood Advisory	SHV	Bowie, Cass	114 min
Apr 13, 10:53 AM CDT	Severe Thunderstorm Warning	SHV	Cass, Marion	11 min
Apr 13, 11:35 AM CDT	Severe Thunderstorm Warning	SHV	Cherokee, Nacogdoches	40 min
Apr 13, 11:38 AM CDT	Tornado Warning	SHV	Cherokee, Nacogdoches	33 min
Apr 13, 12:12 PM CDT	Severe Thunderstorm Warning	SHV	Cherokee, Nacogdoches, Panola, Rusk	20 min
Apr 13, 1:05 PM CDT	Tornado Warning	SHV	Cherokee, Nacogdoches	40 min
Apr 13, 1:36 PM CDT	Tornado Warning	SHV	Angelina, Cherokee, Nacogdoches	24 min
Apr 13, 1:39 PM CDT	Tornado Warning	SHV	Cherokee, Nacogdoches, Rusk	36 min
Apr 13, 1:58 PM CDT	Tornado Warning	SHV	Rusk	15 min
Apr 13, 2:01 PM CDT	Severe Thunderstorm Warning	SHV	Angelina, Cherokee, Nacogdoches, San Augustine	44 min
Apr 13, 2:08 PM CDT	Tornado Warning	SHV	Nacogdoches, Rusk	11 min
Apr 13, 2:19 PM CDT	Severe Thunderstorm Warning	SHV	Cherokee, Gregg, Harrison, Panola, Rusk, Shelby and 3 more	41 min
Apr 13, 2:37 PM CDT	Tornado Warning	SHV	Nacogdoches, San Augustine, Shelby	10 min
Apr 13, 2:41 PM CDT	Severe Thunderstorm Warning	SHV	Angelina, Nacogdoches, Sabine, San Augustine, Shelby	45 min
Apr 13, 2:46 PM CDT	Severe Thunderstorm Warning	SHV	Gregg, Harrison, Panola, Rusk, Shelby	44 min
Apr 13, 2:55 PM CDT	Tornado Warning	SHV	Sabine, San Augustine	14 min
Apr 13, 3:05 PM CDT	Tornado Warning	SHV	Sabine	25 min
Apr 13, 3:11 PM CDT	Severe Thunderstorm Warning	SHV	Sabine, San Augustine, Shelby	64 min
Apr 13, 3:13 PM CDT	Severe Thunderstorm Warning	SHV	Harrison, Marion, Panola, Shelby	50 min
Apr 13, 3:26 PM CDT	Tornado Warning	SHV	Sabine	19 min
Apr 12, 10:47 PM CDT	Special Weather Statement	SHV	Natchitoches	28 min
Apr 12, 11:51 PM CDT	Special Weather Statement	SHV	Red River	24 min
Apr 13, 12:49 AM CDT	Special Weather Statement	SHV	De Soto	41 min
Apr 13, 1:24 AM CDT	Special Weather Statement	SHV	Sabine	51 min
Apr 13, 2:12 AM CDT	Severe Thunderstorm Warning	SHV	Natchitoches, Sabine	33 min
Apr 13, 2:40 AM CDT	Severe Thunderstorm Warning	SHV	Grant, Natchitoches, Winn	50 min
Apr 13, 2:54 AM CDT	Special Weather Statement	SHV	Natchitoches	51 min
Apr 13, 2:58 AM CDT	Severe Thunderstorm Warning	SHV	Natchitoches, Winn	62 min
Apr 13, 3:06 AM CDT	Special Weather Statement	SHV	Bossier, Caddo	39 min
Apr 13, 3:26 AM CDT	Severe Thunderstorm Warning	SHV	Caldwell, Grant, LaSalle, Winn	25 min
Apr 13, 4:16 AM CDT	Special Weather Statement	SHV	Jackson, Ouachita	44 min
Apr 13, 5:04 AM CDT	Severe Thunderstorm Warning	SHV	Ouachita	41 min
Apr 13, 5:32 AM CDT	Special Weather Statement	SHV	Bossier, Webster	43 min
Apr 13, 6:18 AM CDT	Severe Thunderstorm Warning	SHV	Claiborne	42 min
Apr 13, 6:57 AM CDT	Severe Thunderstorm Warning	SHV	Claiborne, Union	48 min
Apr 13, 7:46 AM CDT	Special Weather Statement	SHV	Union	44 min
Apr 13, 9:26 AM CDT	River Flood Warning	SHV	Lincoln, Ouachita, Union	4 days
Apr 13, 10:36 AM CDT	Severe Thunderstorm Warning	SHV	Bienville, Natchitoches	24 min
Apr 13, 10:49 AM CDT	Areal Flood Advisory	SHV	Bossier, Caddo, De Soto	116 min
Apr 13, 11:11 AM CDT	Flash Flood Warning	SHV	Bossier, Caddo, De Soto	3 hr
Apr 13, 11:18 AM CDT	Severe Thunderstorm Warning	SHV	Bienville, Natchitoches	42 min
Apr 13, 11:37 AM CDT	Severe Thunderstorm Warning	SHV	Bossier, Caddo, De Soto, Webster	53 min
Apr 13, 11:48 AM CDT	Severe Thunderstorm Warning	SHV	Bienville, Claiborne, Lincoln	22 min
Apr 13, 12:34 PM CDT	Flash Flood Warning	SHV	Bienville, Claiborne, De Soto, Lincoln, Natchitoches, Red River and 1 more	5 hr
Apr 13, 12:55 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Claiborne, Red River, Webster	65 min
Apr 13, 1:09 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Claiborne, Jackson, Lincoln, Natchitoches, Red River and 1 more	66 min
Apr 13, 1:47 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Jackson, Lincoln, Ouachita, Union	58 min
Apr 13, 2:00 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Caldwell, Jackson, Natchitoches, Ouachita, Winn	60 min
Apr 13, 2:16 PM CDT	Tornado Warning	SHV	Caldwell, Jackson, Ouachita, Winn	29 min
Apr 13, 2:28 PM CDT	Severe Thunderstorm Warning	SHV	Grant, LaSalle	62 min
Apr 13, 2:47 PM CDT	Severe Thunderstorm Warning	SHV	Jackson, Lincoln, Ouachita, Union	43 min
Apr 13, 2:59 PM CDT	Severe Thunderstorm Warning	SHV	Caldwell, Jackson, LaSalle, Ouachita, Winn	46 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 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.