Alert archive / Arkansas / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 6, NWS Shreveport, LA

January 12, 2024Columbia County, Arkansas

NWS Shreveport, LA issued this severe thunderstorm warning at Jan 12, 2024, 4:21 AM CST for Columbia County, Arkansas. It was in force for 18 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: Jan 12, 2024, 4:21 AM CST (10:21 UTC)
Expired: Jan 12, 2024, 4:39 AM CST
In force: 18 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Columbia County, AR

The radar

The Shreveport radar (KSHV), 102 km from the middle of the area, began a volume at 10:22 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
Jan 12, 3:57 AM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 10.4 hours before the alert went out and 95 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: 413 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1157 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 289 m²/s²
0-3 km storm-relative helicity: 493 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 4.8

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 Jan 12, 3:05 AM CST, 1 hour 16 minutes earlier.

Area forecast discussion, Jan 12, 3:05 AM CST, 1 hour 16 minutes before

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Hazardous weather outlook, Jan 11, 5:25 PM CST, 10 hours 56 minutes before

Hazardous Weather Outlook
National Weather Service Shreveport LA
525 PM CST Thu Jan 11 2024

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096-
097-108>112-124>126-136>138-149>153-165>167-122330-
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-
525 PM CST Thu Jan 11 2024

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

.DAY ONE...Today and Tonight.

A series of disturbances will bring widespread showers and embedded
thunderstorms to the region tonight into Friday morning. Some storms
could be severe.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Another round of storms will be possible on Monday morning with
wintry precipitation possible late Monday afternoon as cold air
builds in the wake of a cold front. Bitterly cold temperatures
expected from Tuesday morning through Wednesday with most locations
remaining below freezing through the duration. Overnight lows will
average in the single digits to lower teens both Tuesday and
Wednesday mornings.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Jan 12, 3:08 AM CST, 1 hour 13 minutes before

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Special weather statement, Jan 12, 3:14 AM CST, 1 hour 7 minutes before

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Special weather statement, Jan 12, 3:50 AM CST, 31 minutes before

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Special weather statement, Jan 12, 3:55 AM CST, 26 minutes before

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Special weather statement, Jan 12, 4:00 AM CST, 21 minutes before

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Special weather statement, Jan 12, 4:20 AM CST, 1 minute 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
Jan 11, 8:34 PM CST	Special Weather Statement	SHV	Red River	26 min
Jan 12, 12:25 AM CST	Special Weather Statement	SHV	Franklin, Titus	50 min
Jan 12, 1:15 AM CST	Special Weather Statement	SHV	Bowie	45 min
Jan 12, 1:36 AM CST	Severe Thunderstorm Warning	SHV	Bowie	54 min
Jan 12, 1:53 AM CST	Special Weather Statement	SHV	Camp, Franklin, Morris, Smith, Titus, Upshur and 1 more	67 min
Jan 12, 2:00 AM CST	Special Weather Statement	SHV	Bowie, Red River	60 min
Jan 12, 2:15 AM CST	Severe Thunderstorm Warning	SHV	Smith, Upshur, Wood	60 min
Jan 12, 2:58 AM CST	Special Weather Statement	SHV	Bowie, Cass, Franklin, Morris, Titus	62 min
Jan 12, 3:08 AM CST	Special Weather Statement	SHV	Cherokee	52 min
Jan 12, 3:14 AM CST	Special Weather Statement	SHV	Gregg, Marion, Smith, Upshur	46 min
Jan 12, 3:50 AM CST	Special Weather Statement	SHV	Rusk	25 min
Jan 12, 4:00 AM CST	Special Weather Statement	SHV	Harrison, Marion	60 min
Jan 12, 4:20 AM CST	Special Weather Statement	SHV	Angelina, Nacogdoches, Panola, Shelby	55 min
Jan 12, 5:11 AM CST	Special Weather Statement	SHV	Shelby	64 min
Jan 12, 4:57 AM CST	Special Weather Statement	SHV	Bienville, Bossier, Caddo, Claiborne, Webster	63 min
Jan 12, 6:08 AM CST	Special Weather Statement	SHV	Bienville, Jackson, Lincoln	52 min
Jan 11, 9:08 PM CST	Special Weather Statement	SHV	Little River	37 min
Jan 12, 3:55 AM CST	Special Weather Statement	SHV	Columbia, Lafayette, Nevada	65 min
Jan 12, 2:45 PM CST	Winter Storm Watch	SHV	Hempstead, Howard, Little River, Nevada, Sevier	23 hr

Nearby

Severe Thunderstorm Warnings in Arkansas, 2024 Every severe thunderstorm warning in 2024

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.