Alert archive / Texas / Tornado Warnings in 2019

Tornado Warning 58, NWS Shreveport, LA

May 18, 2019Harrison County, Marion County, Texas

NWS Shreveport, LA issued this tornado warning at May 18, 2019, 7:19 PM CDT for Harrison County, Marion County, Texas. It was in force for 41 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 18, 2019, 7:19 PM CDT (00:19 UTC)
Expired: May 18, 2019, 8:00 PM CDT
In force: 41 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Harrison County, TX, Marion County, TX

The radar

The Shreveport radar (KSHV), 55 km from the middle of the area, began a volume at 00:22 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 18, 12:48 PM CDT	Tornado Watch	SPC	7 hr
May 18, 7:08 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Shreveport, LA (KBAD), launched 00:00Z, 0.3 hours before the alert went out and 61 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: 1844 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 1157 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 132 m²/s²
0-3 km storm-relative helicity: 197 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 10.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at May 18, 7:17 PM CDT, 2 minutes earlier.

Area forecast discussion, May 18, 7:17 PM CDT, 2 minutes before

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Hazardous weather outlook, May 18, 11:50 AM CDT, 7 hours 29 minutes before

Hazardous Weather Outlook
National Weather Service Shreveport LA
1150 AM CDT Sat May 18 2019

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-
TXZ096-097-108>112-124>126-136>138-149>153-165>167-191700-
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-
1150 AM CDT Sat May 18 2019

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...

Strong to severe thunderstorms will gradually increase in
coverage across portions of east Texas and southeast Oklahoma
during the early afternoon hours and points eastward through the
late afternoon and evening hours. Damaging winds are expected to
be the primary risk with large hail and isolated tornadoes also
possible as a squall line moves across the region. Locally heavy
rainfall amounting to a few inches within an hours time may also
lead to mainly minor isolated flooding issues. Severe weather
risk to diminish late tonight as the bulk of thunderstorms
shift east and instability wanes.

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

Widely scattered thunderstorms remain possible during day Sunday
and also during the day Monday. However, the threat for severe
thunderstorms over this time period should be low.

The risk for strong to severe storms will return to at least the
northwestern half of the Four State Region on Tuesday as another
potent disturbance brushes by the region. Initial thinking is
damaging winds will be the primary risk with this activity,
although hail and a few tornadoes cannot yet be ruled out,
especially across portions of the Arklatex.

.SPOTTER INFORMATION STATEMENT...

Activation of emergency management personnel, amateur radio
operators, and storm spotters will likely be needed this
afternoon into this evening.

In the hours before

Local storm report, May 18, 5:54 PM CDT, 1 hour 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
554 PM CDT SAT MAY 18 2019

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

0500 PM     TSTM WND DMG     ALBA                    32.79N 95.64W
05/18/2019                   WOOD               TX   TRAINED SPOTTER

            2 BARNS DESTROYED AND ONE METAL SHOP
            DAMAGED.

&&

AS

Special weather statement, May 18, 6:10 PM CDT, 1 hour 9 minutes before

Special Weather Statement
National Weather Service Shreveport LA
610 PM CDT Sat May 18 2019

ARZ070-TXZ097-112-182345-
Miller AR-Cass TX-Bowie TX-
610 PM CDT Sat May 18 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN MILLER...NORTHERN
CASS AND SOUTHEASTERN BOWIE COUNTIES UNTIL 645 PM CDT...

At 610 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 8 miles east of Naples to Atlanta. Movement was
northeast at 40 mph.

Half inch hail and winds in excess of 40 mph will be possible with
these storms.

Locations impacted include...
Texarkana, Atlanta, Wake Village, New Boston, Nash, Hooks, Queen
City, Redwater, Maud, Red Lick, Fouke, Bivins, Mandeville, Ravanna,
Genoa, Brightstar, Leary, Bloomburg, Douglassville and Domino.

A Tornado Watch remains in effect until 800 PM CDT for southwestern
Arkansas...northwestern Louisiana...and northeastern Texas.

LAT...LON 3359 9445 3357 9441 3358 9438 3356 9440
      3354 9438 3354 9436 3357 9435 3355 9431
      3358 9430 3356 9429 3357 9427 3344 9373
      3343 9374 3344 9371 3342 9373 3339 9371
      3303 9401 3302 9404 3297 9406 3321 9460
TIME...MOT...LOC 2310Z 205DEG 35KT 3320 9452 3312 9415

20

Local storm report, May 18, 6:28 PM CDT, 51 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
628 PM CDT SAT MAY 18 2019

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

0620 PM     HAIL             ARP                     32.23N 95.06W
05/18/2019  E1.00 INCH       SMITH              TX   FIRE DEPT/RESCUE

&&

AS

Local storm report, May 18, 6:42 PM CDT, 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
642 PM CDT SAT MAY 18 2019

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

0615 PM     TSTM WND DMG     1 NNE NEW CHAPEL HILL   32.32N 95.16W
05/18/2019                   SMITH              TX   FIRE DEPT/RESCUE

            SEVERAL TREES DOWN.

&&

AS

Local storm report, May 18, 6:47 PM CDT, 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
647 PM CDT SAT MAY 18 2019

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

0635 PM     HAIL             4 E NEW LONDON          32.27N 94.86W
05/18/2019  E1.00 INCH       RUSK               TX   EMERGENCY MNGR

&&

AS

Local storm report, May 18, 7:19 PM CDT, 0 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
719 PM CDT SAT MAY 18 2019

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

0703 PM     TSTM WND DMG     TATUM                   32.32N 94.51W
05/18/2019                   RUSK               TX   EMERGENCY MNGR

            SEVERAL TREES SNAPPED OFF.

&&

AS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 7:08 PM CDT	Severe Thunderstorm Warning	SHV	Cherokee, Smith	67 min
May 18, 7:24 PM CDT	Tornado Warning	SHV	Cherokee	51 min
May 18, 7:41 PM CDT	Severe Thunderstorm Warning	SHV	Harrison, Marion	64 min
May 18, 8:03 PM CDT	Severe Thunderstorm Warning	SHV	Cherokee, Nacogdoches, Rusk	57 min
May 18, 8:05 PM CDT	Tornado Warning	SHV	Cherokee, Rusk	40 min
May 18, 8:17 PM CDT	Flash Flood Warning	SHV	Cherokee, Rusk	4 hr
May 18, 8:43 PM CDT	Severe Thunderstorm Warning	SHV	Nacogdoches, Panola, Rusk, Shelby	62 min
May 18, 9:11 PM CDT	Severe Thunderstorm Warning	SHV	Cherokee	49 min
May 18, 9:32 PM CDT	Flash Flood Warning	SHV	Angelina, Cherokee, Nacogdoches, Panola, Shelby	3 hr
May 18, 9:39 PM CDT	Severe Thunderstorm Warning	SHV	Nacogdoches, Panola, Rusk, Shelby	66 min
May 18, 9:51 PM CDT	River Flood Warning	SHV	Nacogdoches, Rusk	60 hr
May 18, 9:52 PM CDT	River Flood Warning	SHV	Cass, Marion	4 days
May 18, 9:53 PM CDT	River Flood Warning	SHV	Gregg	18 hr
May 18, 9:54 PM CDT	River Flood Warning	SHV	Franklin, Morris, Titus	4 days
May 18, 9:56 PM CDT	Severe Thunderstorm Warning	SHV	Cherokee, Nacogdoches, Rusk	64 min
May 18, 10:56 PM CDT	Special Weather Statement	SHV	Nacogdoches, Panola	49 min
May 18, 11:37 PM CDT	Severe Thunderstorm Warning	SHV	Panola, San Augustine, Shelby	38 min
May 19, 12:15 AM CDT	Severe Thunderstorm Warning	SHV	Sabine, Shelby	60 min
May 19, 12:21 AM CDT	Flash Flood Warning	SHV	Shelby	3 hr
May 19, 12:30 AM CDT	Flash Flood Warning	SHV	Angelina, Cherokee, Nacogdoches, Sabine, San Augustine, Shelby	3 hr
May 19, 12:43 AM CDT	Severe Thunderstorm Warning	SHV	Angelina, Nacogdoches, Sabine, San Augustine	62 min
May 19, 12:56 AM CDT	Areal Flood Warning	SHV	Cherokee, Nacogdoches, Rusk, Shelby	6 hr
May 19, 1:14 AM CDT	Severe Thunderstorm Warning	SHV	Sabine	61 min
May 19, 1:34 AM CDT	Flash Flood Warning	SHV	Sabine, San Augustine, Shelby	3 hr
May 19, 1:48 AM CDT	Special Weather Statement	SHV	Angelina, Sabine, San Augustine	42 min
May 19, 3:54 PM CDT	River Flood Warning	SHV	Sabine, San Augustine	57 hr
May 19, 6:59 PM CDT	Special Weather Statement	SHV	San Augustine	31 min
May 18, 7:49 PM CDT	Special Weather Statement	SHV	Caddo	41 min
May 18, 8:29 PM CDT	Severe Thunderstorm Warning	SHV	Bossier, Claiborne, Union, Webster	46 min
May 18, 10:28 PM CDT	Severe Thunderstorm Warning	SHV	De Soto	62 min
May 18, 11:09 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Bossier, De Soto, Natchitoches, Red River, Sabine and 1 more	66 min
May 19, 12:34 AM CDT	Severe Thunderstorm Warning	SHV	Bienville, Claiborne, Jackson, Lincoln, Natchitoches, Red River and 2 more	56 min
May 19, 1:26 AM CDT	Flash Flood Warning	SHV	Bienville, Natchitoches, Red River, Winn	3 hr
May 19, 1:30 AM CDT	Special Weather Statement	SHV	Union	45 min
May 19, 2:02 AM CDT	Tornado Warning	SHV	Natchitoches	28 min
May 19, 2:09 AM CDT	Severe Thunderstorm Warning	SHV	Caldwell, Grant, LaSalle, Lincoln, Natchitoches, Ouachita and 2 more	66 min
May 19, 2:52 AM CDT	Flash Flood Warning	SHV	Grant, Natchitoches, Winn	2 hr
May 19, 2:51 PM CDT	Special Weather Statement	SHV	Natchitoches	39 min
May 19, 6:39 PM CDT	Special Weather Statement	SHV	Caddo	36 min
May 18, 11:18 PM CDT	Severe Thunderstorm Warning	SHV	Hempstead, Howard, Little River	42 min
May 18, 11:46 PM CDT	Severe Thunderstorm Warning	SHV	Hempstead, Nevada	29 min
May 19, 6:37 PM CDT	Special Weather Statement	SHV	Union	23 min

Nearby

Tornado Warnings in Texas, 2019 Every tornado warning in 2019 Tornadoes 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.