Alert archive / Louisiana / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 20, NWS Shreveport, LA

February 15, 20254 parishes in Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Feb 15, 2025, 5:40 PM CST for 4 parishes in Louisiana. It was in force for 65 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: Feb 15, 2025, 5:40 PM CST (23:40 UTC)
Expired: Feb 15, 2025, 6:45 PM CST
In force: 65 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

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

The radar

The Shreveport radar (KSHV), 67 km from the middle of the area, began a volume at 23:43 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
Feb 15, 4:00 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 11.7 hours before the alert went out and 63 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: 177 J/kg
Mixed-layer CIN: -153 J/kg
Mixed-layer LCL: 447 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 510 m²/s²
0-3 km storm-relative helicity: 577 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 8.4

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 Feb 15, 3:11 PM CST, 2 hours 29 minutes earlier.

Area forecast discussion, Feb 15, 3:11 PM CST, 2 hours 29 minutes before

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In the hours before

Special weather statement, Feb 15, 3:42 PM CST, 1 hour 58 minutes before

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Special weather statement, Feb 15, 3:44 PM CST, 1 hour 56 minutes before

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Special weather statement, Feb 15, 4:23 PM CST, 1 hour 17 minutes before

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Special weather statement, Feb 15, 4:25 PM CST, 1 hour 15 minutes before

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Special weather statement, Feb 15, 5:15 PM CST, 25 minutes before

Special Weather Statement
National Weather Service Shreveport LA
515 PM CST Sat Feb 15 2025

LAZ010-011-017-018-TXZ153-165>167-160000-
Natchitoches LA-De Soto LA-Shelby TX-Sabine LA-San Augustine TX-
Sabine TX-Red River LA-Angelina TX-
515 PM CST Sat Feb 15 2025

...A LINE OF STRONG THUNDERSTORMS WILL IMPACT SOUTHEASTERN
ANGELINA...SABINE...SAN AUGUSTINE AND SOUTHEASTERN SHELBY COUNTIES
AND WESTERN NATCHITOCHES...NORTHWESTERN SABINE...SOUTH CENTRAL RED
RIVER AND SOUTHEASTERN DE SOTO PARISHES UNTIL 6 PM CST...

At 515 PM CST, Doppler radar was tracking a line of strong
thunderstorms extending from near Mansfield to 22 miles southeast of
Huntington, or extending from near Mansfield to 26 miles southeast
of Diboll, moving east at 20 mph.

HAZARD...Wind gusts up to 40 mph and pea size 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...
  Milam, San Augustine, Zwolle, Hemphill, Pineland, Converse,
  Patroon, Rosevine, Macune, Oak Grove, Pleasant Hill, Zavalla,
  Huxley, South Mansfield, Noble, Broaddus, Sexton, Toledo Bend
  Reservoir North, Jordans Store and Hurstown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the weather situation closely and be alert for threatening
weather conditions.

&&

LAT...LON 3125 9435 3123 9433 3125 9434 3127 9434
      3201 9381 3200 9326 3116 9385 3114 9403
      3111 9406 3103 9447 3104 9450
TIME...MOT...LOC 2315Z 255DEG 17KT 3198 9368 3154 9398 3099 9441

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

26

Special weather statement, Feb 15, 5:19 PM CST, 21 minutes before

Special Weather Statement
National Weather Service Shreveport LA
519 PM CST Sat Feb 15 2025

ARZ072-073-LAZ003>006-012-160000-
Webster LA-Union AR-Claiborne LA-Bienville LA-Lincoln LA-Union LA-
Columbia AR-
519 PM CST Sat Feb 15 2025

...A LINE OF STRONG THUNDERSTORMS WILL IMPACT UNION AND SOUTHEASTERN
COLUMBIA COUNTIES AND NORTHWESTERN UNION...CLAIBORNE...WESTERN
LINCOLN...NORTHEASTERN BIENVILLE AND SOUTHEASTERN WEBSTER PARISHES
UNTIL 6 PM CST...

At 519 PM CST, Doppler radar was tracking a line of strong
thunderstorms extending from 11 miles northeast of Smackover to over
Minden, moving northeast at 40 mph.

HAZARD...Wind gusts up to 40 mph and pea size 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...
  El Dorado, Minden, Grambling, Homer, Smackover, Norphlet, Junction
  City, Arcadia, Haynesville, Bernice, Sibley, Gibsland, Doyline,
  Calion, Dubberly, Dixie Inn, Heflin, Atlanta, Wesson and Cooley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the weather situation closely and be alert for threatening
weather conditions.

&&

LAT...LON 3244 9344 3330 9299 3338 9272 3336 9266
      3337 9264 3336 9260 3337 9259 3337 9255
      3333 9252 3332 9252 3333 9250 3332 9249
      3333 9248 3332 9247 3332 9246 3331 9247
      3330 9246 3329 9247 3327 9243 3251 9273
TIME...MOT...LOC 2318Z 239DEG 36KT 3349 9261 3308 9288 3262 9326

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

26

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 15, 10:19 AM CST	River Flood Warning	SHV	Franklin, Morris, Titus	47 hr
Feb 15, 3:42 PM CST	Special Weather Statement	SHV	Angelina, Nacogdoches, Shelby	48 min
Feb 15, 4:23 PM CST	Special Weather Statement	SHV	Angelina, San Augustine, Shelby	52 min
Feb 15, 5:15 PM CST	Special Weather Statement	SHV	Sabine, San Augustine	45 min
Feb 15, 5:52 PM CST	Severe Thunderstorm Warning	SHV	Sabine	53 min
Feb 14, 6:17 PM CST	Special Weather Statement	SHV	Bienville	28 min
Feb 14, 6:49 PM CST	Special Weather Statement	SHV	Winn	26 min
Feb 14, 7:17 PM CST	Special Weather Statement	SHV	Caldwell	43 min
Feb 15, 8:19 AM CST	Wind Advisory	SHV	Bienville, Caldwell, Grant, Jackson, LaSalle, Lincoln and 4 more	10 hr
Feb 15, 3:44 PM CST	Special Weather Statement	SHV	Bossier, Caddo	46 min
Feb 15, 4:25 PM CST	Special Weather Statement	SHV	Claiborne, De Soto, Red River, Webster	50 min
Feb 15, 5:05 PM CST	Severe Thunderstorm Warning	SHV	Bienville, Bossier, Caddo, De Soto, Red River, Webster	55 min
Feb 15, 5:19 PM CST	Special Weather Statement	SHV	Claiborne	41 min
Feb 15, 5:37 PM CST	Severe Thunderstorm Warning	SHV	Claiborne, Lincoln, Union	53 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2025 Every severe thunderstorm warning in 2025

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.