Alert archive / Arkansas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 356, NWS Shreveport, LA

June 18, 2023Hempstead County, Nevada County, Arkansas

NWS Shreveport, LA issued this severe thunderstorm warning at Jun 18, 2023, 1:42 AM CDT for Hempstead County, Nevada County, Arkansas. It was in force for 48 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: Jun 18, 2023, 1:42 AM CDT (06:42 UTC)
Expired: Jun 18, 2023, 2:30 AM CDT
In force: 48 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Damage threat: Destructive
Hail: 0.75 in
Wind: 80.0 mph

Counties Hempstead County, AR, Nevada County, AR

The radar

The Shreveport radar (KSHV), 143 km from the middle of the area, began a volume at 06:43 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
Jun 17, 9:57 PM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 6.7 hours before the alert went out and 138 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: 5228 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 936 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 75 m²/s²
0-3 km storm-relative helicity: 202 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 21.2

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 Jun 18, 1:16 AM CDT, 26 minutes earlier.

Area forecast discussion, Jun 18, 1:16 AM CDT, 26 minutes before

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Hazardous weather outlook, Jun 17, 10:16 PM CDT, 3 hours 26 minutes before

Hazardous Weather Outlook
National Weather Service Shreveport LA
1016 PM CDT Sat Jun 17 2023

ARZ050-051-059>061-070-071-OKZ077-TXZ096-097-108>112-190330-
Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette-
McCurtain-Red River-Bowie-Franklin-Titus-Camp-Morris-Cass-
1016 PM CDT Sat Jun 17 2023

...SEVERE THUNDERSTORM WATCH 330 IN EFFECT UNTIL 2 AM CDT SUNDAY...

This Hazardous Weather Outlook is for southwest Arkansas, southeast
Oklahoma and northeast Texas.

.DAY ONE...Tonight.

Another round of strong to severe thunderstorms will be possible
tonight. Damaging winds, large hail, and locally heavy rainfall will
be the primary threats.

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

Another upper level disturbance riding along and north of the
stationary front will focus additional showers and thunderstorms
across the region Sunday. Some of these storms could again be
severe, with damaging winds, large hail, and locally heavy rainfall
the primary threats. An isolated tornado cannot be ruled out.
Afternoon high temperatures will climb into the mid to upper 90s
Sunday through Wednesday, and when combined with the high humidity,
will result in afternoon heat indices between 105 and 110 degrees
across Deep East Texas and North Central Louisiana.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

ARZ072-073-LAZ001>006-010>014-017>022-TXZ124>126-136>138-149>153-
165>167-190330-
Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-De Soto-
Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-Grant-
Caldwell-La Salle-Wood-Upshur-Marion-Smith-Gregg-Harrison-Cherokee-
Rusk-Panola-Nacogdoches-Shelby-Angelina-San Augustine-
1016 PM CDT Sat Jun 17 2023

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

.DAY ONE...Tonight.

Another round of strong to severe thunderstorms will be possible
tonight, especially along and north of Interstate 20. Damaging winds,
large hail, and locally heavy rainfall will be the primary threats.

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

Another upper level disturbance riding along and north of the
stationary front will focus additional showers and thunderstorms
across the region Sunday. Some of these storms could again be
severe, with damaging winds, large hail, and locally heavy rainfall
the primary threats. An isolated tornado cannot be ruled out.
Afternoon high temperatures will climb into the mid to upper 90s
Sunday through Wednesday, and when combined with the high humidity,
will result in afternoon heat indices between 105 and 110 degrees
across Deep East Texas and North Central Louisiana.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

20

In the hours before

Local storm report, Jun 18, 12:35 AM CDT, 1 hour 7 minutes before

Preliminary Local Storm Report
National Weather Service Shreveport LA
1235 AM CDT Sun Jun 18 2023

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

0755 PM     Tstm Wnd Dmg     6 SSE Shongaloo         32.87N 93.26W
06/17/2023                   Webster            LA   Fire Dept/Rescue

            Trees down near intersection of Highway 159
            and Highway 160.

&&

20

Local storm report, Jun 18, 12:45 AM CDT, 57 minutes before

Preliminary Local Storm Report
National Weather Service Shreveport LA
1245 AM CDT Sun Jun 18 2023

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

1221 AM     Tstm Wnd Dmg     1 WNW Wright City       34.07N 95.02W
06/18/2023                   McCurtain          OK   Public

            Trees down on old 98 from Valliant to Wright
            City. Trees also down on state Highway 98
            North of Hwy 70.

&&

BT

Local storm report, Jun 18, 1:04 AM CDT, 38 minutes before

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Local storm report, Jun 18, 1:27 AM CDT, 15 minutes before

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Local storm report, Jun 18, 1:36 AM CDT, 6 minutes before

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Local storm report, Jun 18, 1:37 AM CDT, 5 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
Jun 17, 11:59 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Red River	61 min
Jun 18, 12:49 AM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Bowie	56 min
Jun 18, 3:17 AM CDT	Excessive Heat Warning	SHV	Angelina, Cherokee, Nacogdoches, Sabine, San Augustine, Shelby	17 hr
Jun 18, 3:17 AM CDT	Heat Advisory	SHV	Gregg, Harrison, Marion, Panola, Rusk, Smith and 2 more	17 hr
Jun 18, 3:35 AM CDT	Severe Thunderstorm Warning	SHV	Bowie, Red River	40 min
Jun 18, 4:07 AM CDT	Special Weather Statement	SHV	Camp, Franklin, Morris, Titus	53 min
Jun 18, 4:13 AM CDT	Severe Thunderstorm Warning	SHV	Bowie, Cass	62 min
Jun 18, 4:39 AM CDT	Severe Thunderstorm Warning	SHV	Bowie, Cass, Morris	36 min
Jun 18, 4:50 AM CDT	Severe Thunderstorm Warning	SHV	Bowie, Cass, Morris, Red River, Titus	24 min
Jun 18, 5:13 AM CDT	Severe Thunderstorm Warning	SHV	Cass	47 min
Jun 18, 6:14 AM CDT	Severe Thunderstorm Warning	SHV	Bowie, Red River	46 min
Jun 18, 6:51 AM CDT	Severe Thunderstorm Warning	SHV	Bowie, Franklin, Morris, Red River, Titus	54 min
Jun 18, 7:24 AM CDT	Special Weather Statement	SHV	Bowie, Cass, Morris	36 min
Jun 18, 7:47 AM CDT	Severe Thunderstorm Warning	SHV	Cass	43 min
Jun 18, 9:14 AM CDT	Severe Thunderstorm Warning	SHV	Harrison, Marion	46 min
Jun 18, 2:40 PM CDT	Excessive Heat Warning	SHV	Angelina, Cherokee, Gregg, Nacogdoches, Panola, Rusk and 5 more	29 hr
Jun 18, 2:40 PM CDT	Heat Advisory	SHV	Camp, Cass, Franklin, Harrison, Marion, Morris and 2 more	29 hr
Jun 17, 7:20 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Bossier, Webster	55 min
Jun 17, 7:56 PM CDT	Severe Thunderstorm Warning	SHV	Claiborne, Webster	64 min
Jun 17, 8:36 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Claiborne, Union	54 min
Jun 17, 9:31 PM CDT	Special Weather Statement	SHV	Union	59 min
Jun 17, 9:32 PM CDT	Special Weather Statement	SHV	Union	43 min
Jun 18, 3:12 AM CDT	Severe Thunderstorm Warning	SHV	Union	33 min
Jun 18, 5:50 AM CDT	Severe Thunderstorm Warning	SHV	Bossier, Caddo, Claiborne, Webster	40 min
Jun 18, 6:24 AM CDT	Severe Thunderstorm Warning	SHV	Claiborne, Lincoln, Union	66 min
Jun 18, 8:24 AM CDT	Severe Thunderstorm Warning	SHV	Bossier, Caddo, Claiborne, Union, Webster	35 min
Jun 18, 9:48 AM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Bienville, Bossier, Claiborne, Webster	25 min
Jun 18, 10:04 AM CDT	Special Weather Statement	SHV	Lincoln	41 min
Jun 17, 10:12 PM CDT	Severe Thunderstorm Warning	SHV	Hempstead, Howard, Little River, Nevada, Sevier	34 min
Jun 17, 11:47 PM CDT	Special Weather Statement	SHV	Sevier	28 min
Jun 18, 12:15 AM CDT	Special Weather Statement	SHV	Hempstead	30 min
Jun 18, 12:37 AM CDT	Severe Thunderstorm Warning	SHV	Hempstead, Nevada	38 min
Jun 18, 12:57 AM CDT	Tornado Warning	SHV	Nevada	14 min
Jun 18, 1:21 AM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Hempstead, Howard, Little River, Nevada	54 min
Jun 18, 4:37 AM CDT	Severe Thunderstorm Warning	SHV	Union	23 min
Jun 18, 5:19 AM CDT	Severe Thunderstorm Warning	SHV	Columbia, Hempstead, Lafayette, Miller, Nevada, Union	34 min
Jun 18, 5:31 AM CDT	Special Weather Statement	SHV	Sevier	44 min
Jun 18, 6:02 AM CDT	Severe Thunderstorm Warning	SHV	Little River, Sevier	58 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 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.