Alert archive / Arkansas / Special Weather Statements in 2023

Special Weather Statement, NWS Shreveport, LA

March 31, 2023Sevier County, Arkansas; McCurtain County, Oklahoma

NWS Shreveport, LA issued this special weather statement at Mar 31, 2023, 11:21 AM CDT for Sevier County, Arkansas; McCurtain County, Oklahoma. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Mar 31, 2023, 11:21 AM CDT (16:21 UTC)
Expired: Mar 31, 2023, 12:00 PM CDT
In force: 39 min
Issued by: NWS Shreveport, LA
Hail: 0.50 in
Wind: 50

Counties Sevier County, AR, McCurtain County, OK

The radar

The Western Arkansas radar (KSRX), 138 km from the middle of the area, began a volume at 16:23 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 nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 4.4 hours before the alert went out and 191 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: 351 J/kg
Mixed-layer CIN: -294 J/kg
Mixed-layer LCL: 732 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 280 m²/s²
0-3 km storm-relative helicity: 459 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Mar 31, 7:00 AM CDT, 4 hours 21 minutes earlier.

Area forecast discussion, Mar 31, 7:00 AM CDT, 4 hours 21 minutes before

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<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Hazardous weather outlook, Mar 31, 5:07 AM CDT, 6 hours 14 minutes before

Hazardous Weather Outlook
National Weather Service Shreveport LA
507 AM CDT Fri Mar 31 2023

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-
TXZ096-097-108>112-124>126-136>138-149>153-165>167-011015-
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-
507 AM CDT Fri Mar 31 2023

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...Today and Tonight...

Thunderstorm chances will increase this afternoon and through the
evening hours. Scattered severe storms will be possible along and
north of the I-20 corridor, with numerous severe storms possible
across southern Arkansas. Tornadoes, damaging winds, and large
hail will be possible.

In addition, a Wind Advisory is in effect until 7 PM this
evening. Strong southerly winds 15-25 mph, gusting to 35-40 mph
will be possible.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday...

More thunderstorms will impact much of the ArkLaTex during the day
Sunday, overnight into early Monday, and again Tuesday. Storms which
develop on Tuesday will have the potential to become severe across
areas along and north of I-20, especially southeast Oklahoma and
southwest Arkansas.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed this afternoon.

In the hours before

Special weather statement, Mar 31, 8:56 AM CDT, 2 hours 25 minutes before

Special Weather Statement
National Weather Service Shreveport LA
856 AM CDT Fri Mar 31 2023

ARZ060-061-070>072-TXZ097-112-311445-
Hempstead AR-Lafayette AR-Miller AR-Nevada AR-Columbia AR-Cass TX-
Bowie TX-
856 AM CDT Fri Mar 31 2023

...A strong thunderstorm will impact portions of southeastern
Hempstead, Miller, Lafayette, southwestern Nevada, northwestern
Columbia, northeastern Cass and southeastern Bowie Counties through
945 AM CDT...

At 856 AM CDT, Doppler radar was tracking a strong thunderstorm near
Queen City, or near Atlanta, moving northeast at 60 mph.

HAZARD...Winds in excess of 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Texarkana, Hope, Atlanta, Stamps, Lewisville, Queen City, Fouke,
Buckner, Perrytown, Garland, Smithland, Genoa, Brightstar, Canfield,
Mount Pleasant, Bloomburg, Douglassville, Mount Vernon, Domino and
Patmos.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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 3306 9426 3318 9434 3372 9357 3323 9329
TIME...MOT...LOC 1356Z 241DEG 53KT 3316 9422

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

33

Special weather statement, Mar 31, 11:21 AM CDT, 0 minutes before

Special Weather Statement
National Weather Service Shreveport LA
1121 AM CDT Fri Mar 31 2023

ARZ050-059-OKZ077-TXZ096-311700-
Sevier AR-Little River AR-McCurtain OK-Red River TX-
1121 AM CDT Fri Mar 31 2023

...A strong thunderstorm will impact portions of northwestern Little
River, northern Sevier, southern McCurtain and northeastern Red River
Counties through NOON CDT...

At 1119 AM CDT, Doppler radar was tracking a strong thunderstorm 7
miles southwest of Idabel, or 16 miles northeast of Clarksville,
moving northeast at 65 mph.

HAZARD...Wind gusts up to 50 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
De Queen, Horatio, Idabel, Broken Bow, Lockesburg, Gillham, Haworth,
Garvin, Eagletown, Moon, Cerrogordo, Hochatown, Geneva, Goodwater,
Shinewell, America, West Line, Oak Hill, Golden and Bokhoma.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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 3419 9447 3419 9422 3399 9408 3364 9504
      3382 9515 3440 9447
TIME...MOT...LOC 1619Z 241DEG 58KT 3381 9489

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH

04

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 31, 2:08 PM CDT	Severe Thunderstorm Warning	SHV	Red River	52 min
Mar 31, 2:51 PM CDT	Special Weather Statement	SHV	Red River	24 min
Mar 31, 2:58 PM CDT	Special Weather Statement	SHV	Franklin, Titus	32 min
Mar 31, 3:15 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Franklin, Morris, Red River, Titus	45 min
Mar 31, 3:25 PM CDT	Special Weather Statement	SHV	Upshur	50 min
Mar 31, 3:44 PM CDT	Tornado Warning	SHV	Bowie	31 min
Mar 31, 3:46 PM CDT	Severe Thunderstorm Warning	SHV	Franklin, Morris, Titus	29 min
Mar 31, 3:55 PM CDT	Tornado Warning	SHV	Smith	19 min
Mar 31, 4:11 PM CDT	Severe Thunderstorm Warning	SHV	Bowie	22 min
Mar 31, 4:12 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Cherokee, Gregg, Rusk, Smith	48 min
Mar 31, 4:20 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Cass	40 min
Mar 31, 4:49 PM CDT	Severe Thunderstorm Warning	SHV	Gregg, Harrison, Panola, Rusk	41 min
Mar 31, 5:04 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Cass	41 min
Mar 31, 5:12 PM CDT	Severe Thunderstorm Warning	SHV	Cherokee, Nacogdoches, Rusk	48 min
Mar 31, 5:33 PM CDT	Special Weather Statement	SHV	Harrison	42 min
Mar 31, 6:00 PM CDT	Severe Thunderstorm Warning	SHV	Panola, Rusk, Shelby	45 min
Mar 31, 6:17 PM CDT	Special Weather Statement	SHV	Camp	43 min
Mar 31, 6:42 PM CDT	Severe Thunderstorm Warning	SHV	Panola, Shelby	48 min
Mar 31, 8:56 AM CDT	Special Weather Statement	SHV	Lafayette, Miller	49 min
Mar 31, 11:57 AM CDT	Special Weather Statement	SHV	Sevier	48 min
Mar 31, 12:04 PM CDT	Severe Thunderstorm Warning	SHV	Howard, Sevier	41 min
Mar 31, 12:57 PM CDT	Special Weather Statement	SHV	Howard, Sevier	33 min
Mar 31, 1:45 PM CDT	Special Weather Statement	SHV	Miller	45 min
Mar 31, 2:32 PM CDT	Special Weather Statement	SHV	Hempstead	43 min
Mar 31, 3:09 PM CDT	Severe Thunderstorm Warning	SHV	Hempstead, Howard, Little River, Nevada, Sevier	66 min
Mar 31, 3:29 PM CDT	Tornado Warning	SHV	Hempstead, Howard, Little River, Sevier	46 min
Mar 31, 3:53 PM CDT	Tornado Warning	SHV	Hempstead, Nevada	26 min
Mar 31, 5:00 PM CDT	Special Weather Statement	SHV	Hempstead, Miller	45 min
Mar 31, 5:38 PM CDT	Special Weather Statement	SHV	Nevada	52 min
Mar 31, 2:03 PM CDT	Severe Thunderstorm Warning	SHV	McCurtain	57 min

Nearby

Special Weather Statements in Arkansas, 2023 Special Weather Statements in Oklahoma, 2023 Every special weather statement 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.