Alert archive / Louisiana / Flash Flood Warnings in 2025

Flash Flood Warning 81, NWS Shreveport, LA

August 29, 20256 parishes in Louisiana

NWS Shreveport, LA issued this flash flood warning at Aug 29, 2025, 4:34 AM CDT for 6 parishes in Louisiana. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 29, 2025, 4:34 AM CDT (09:34 UTC)
Expired
Aug 29, 2025, 11:00 AM CDT
In force
6 hr
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Flood severity
None

Counties Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, De Soto Parish, LA, Red River Parish, LA, Webster Parish, LA

The radar

The Shreveport radar (KSHV), 33 km from the middle of the area, began a volume at 09:34 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

Jackson, MS (KJAN), launched 00:00Z, 9.6 hours before the alert went out and 321 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-pSkew-T log-p diagram, Jackson, MS at 00:00Z on 2025-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 00:00Z on 2025-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
912 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
164 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Aug 29, 1:26 AM CDT, 3 hours 8 minutes earlier.

Area forecast discussion, Aug 29, 1:26 AM CDT, 3 hours 8 minutes before
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In the hours before

Special weather statement, Aug 29, 12:32 AM CDT, 4 hours 2 minutes before
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Special weather statement, Aug 29, 1:06 AM CDT, 3 hours 28 minutes before
Special Weather Statement
National Weather Service Shreveport LA
106 AM CDT Fri Aug 29 2025

ARZ071-072-LAZ002-003-290630-
Webster LA-Bossier LA-Columbia AR-Lafayette AR-
106 AM CDT Fri Aug 29 2025

...A STRONG THUNDERSTORM WILL IMPACT NORTH CENTRAL BOSSIER AND
NORTHWESTERN WEBSTER PARISHES AND SOUTHWESTERN COLUMBIA AND SOUTH
CENTRAL LAFAYETTE COUNTIES UNTIL 130 AM CDT...

At 106 AM CDT, Doppler radar was tracking a strong thunderstorm near
Bradley, or 10 miles west of Springhill, moving southeast 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...
  Springhill, Cullen, Bradley, Taylor, Welcome, State Line and
  Bolinger.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

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.

&&

LAT...LON 3301 9380 3316 9361 3305 9336 3283 9356
TIME...MOT...LOC 0606Z 302DEG 16KT 3304 9362

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

53
Special weather statement, Aug 29, 1:21 AM CDT, 3 hours 13 minutes before
Special Weather Statement
National Weather Service Shreveport LA
121 AM CDT Fri Aug 29 2025

LAZ002-003-290700-
Webster LA-Bossier LA-
121 AM CDT Fri Aug 29 2025

...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN BOSSIER AND
NORTHWESTERN WEBSTER PARISHES UNTIL 2 AM CDT...

At 121 AM CDT, Doppler radar was tracking a strong thunderstorm near
Plain Dealing, or 11 miles southwest of Springhill, moving southeast
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...
  Plain Dealing, Cotton Valley, Sarepta, Rocky Mount, Ivan, Bolinger
  and Alden Bridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

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.

&&

LAT...LON 3294 9375 3302 9355 3302 9351 3282 9335
      3271 9371
TIME...MOT...LOC 0621Z 335DEG 17KT 3293 9363

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

53
Special weather statement, Aug 29, 1:35 AM CDT, 2 hours 59 minutes before
Special Weather Statement
National Weather Service Shreveport LA
135 AM CDT Fri Aug 29 2025

TXZ097-111-112-290715-
Cass TX-Bowie TX-Morris TX-
135 AM CDT Fri Aug 29 2025

...AN AREA OF STRONG THUNDERSTORMS WILL IMPACT SOUTHWESTERN BOWIE...
NORTHERN MORRIS AND CENTRAL CASS COUNTIES UNTIL 215 AM CDT...

At 135 AM CDT, Doppler radar was tracking an area of strong
thunderstorms 9 miles east of Naples, or 18 miles south of New
Boston, moving southeast 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...
  Atlanta, Linden, Queen City, Naples, Maud, Omaha, Rocky Branch,
  Bloomburg, Douglassville, Marietta, Bryans Mill, Red Hill and
  Spring Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

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.

&&

LAT...LON 3324 9480 3339 9446 3313 9405 3293 9454
TIME...MOT...LOC 0635Z 306DEG 18KT 3322 9453

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

53
Special weather statement, Aug 29, 1:37 AM CDT, 2 hours 57 minutes before
Special Weather Statement
National Weather Service Shreveport LA
137 AM CDT Fri Aug 29 2025

LAZ005-006-013-014-290700-
Ouachita LA-Jackson LA-Lincoln LA-Union LA-
137 AM CDT Fri Aug 29 2025

...A STRONG THUNDERSTORM WILL IMPACT WEST CENTRAL OUACHITA...
SOUTHWESTERN UNION...LINCOLN AND NORTH CENTRAL JACKSON PARISHES
UNTIL 2 AM CDT...

At 137 AM CDT, Doppler radar was tracking a strong thunderstorm 10
miles southeast of Bernice, or 11 miles north of Ruston, moving
southeast at 25 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...
  Ruston, Grambling, Farmerville, Dubach, Choudrant, Vienna,
  Downsville, Unionville, D Arbonne, Shiloh, Bayou D Arbonne Lake,
  Mount Zion, Eureka and Corinth.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

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.

&&

LAT...LON 3273 9281 3282 9244 3256 9227 3244 9268
TIME...MOT...LOC 0637Z 320DEG 21KT 3269 9259

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

53
Special weather statement, Aug 29, 4:20 AM CDT, 14 minutes before
Special Weather Statement
National Weather Service Shreveport LA
420 AM CDT Fri Aug 29 2025

LAZ001>003-010-290945-
Webster LA-De Soto LA-Bossier LA-Caddo LA-
420 AM CDT Fri Aug 29 2025

...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN DE SOTO...SOUTHERN
CADDO...SOUTHERN BOSSIER AND SOUTHWESTERN WEBSTER PARISHES UNTIL 445
AM CDT...

At 420 AM CDT, Doppler radar was tracking a strong thunderstorm over
Shreveport, moving southeast at 25 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...
  Shreveport, Bossier City, Haughton, Greenwood, Stonewall, Fosters,
  Eastwood, Forbing, Robson, Keithville, Barksdale Air Force Base,
  Taylortown, Frierson, Sligo, Ferguson, Cross Lake, Elm Grove,
  Bodcau, Red Chute and Kickapoo.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

Torrential rainfall is also occurring with this storm and may lead
to flash flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3238 9402 3261 9374 3246 9339 3214 9382
TIME...MOT...LOC 0919Z 302DEG 20KT 3244 9379

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

53

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 28, 7:07 PM CDTSpecial Weather StatementSHVHarrison, Panola38 min
Aug 28, 7:14 PM CDTSpecial Weather StatementSHVSmith46 min
Aug 29, 1:35 AM CDTSpecial Weather StatementSHVCass40 min
Aug 29, 5:17 AM CDTAreal Flood AdvisorySHVCamp, Cass, Harrison, Marion, Morris, Titus and 1 more6 hr
Aug 29, 5:41 AM CDTAreal Flood AdvisorySHVHarrison, Marion, Panola3 hr
Aug 29, 6:38 AM CDTFlash Flood WarningSHVHarrison, Panola5 hr
Aug 29, 6:50 AM CDTAreal Flood AdvisorySHVGregg, Harrison, Marion, Panola, Rusk, Shelby and 1 more3 hr
Aug 29, 7:32 AM CDTFlash Flood WarningSHVGregg, Harrison, Marion, Upshur6 hr
Aug 29, 7:38 AM CDTFlash Flood WarningSHVPanola, Shelby5 hr
Aug 29, 8:44 AM CDTAreal Flood AdvisorySHVGregg, Nacogdoches, Panola, Rusk, Shelby5 hr
Aug 29, 11:07 AM CDTFlash Flood WarningSHVCamp3 hr
Aug 29, 1:24 PM CDTAreal Flood AdvisorySHVGregg, Harrison, Marion, Upshur111 min
Aug 29, 1:53 PM CDTAreal Flood AdvisorySHVCamp112 min
Aug 28, 7:05 PM CDTSevere Thunderstorm WarningSHVCaldwell, LaSalle, Winn40 min
Aug 28, 7:11 PM CDTSpecial Weather StatementSHVBienville34 min
Aug 28, 7:47 PM CDTSpecial Weather StatementSHVLaSalle43 min
Aug 28, 8:14 PM CDTSpecial Weather StatementSHVGrant, Natchitoches61 min
Aug 28, 8:33 PM CDTSpecial Weather StatementSHVLaSalle57 min
Aug 28, 9:02 PM CDTSpecial Weather StatementSHVGrant43 min
Aug 28, 10:27 PM CDTSpecial Weather StatementSHVSabine48 min
Aug 29, 12:29 AM CDTAreal Flood AdvisorySHVSabine2 hr
Aug 29, 1:21 AM CDTSpecial Weather StatementSHVBossier39 min
Aug 29, 1:37 AM CDTSpecial Weather StatementSHVLincoln23 min
Aug 29, 4:03 AM CDTAreal Flood AdvisorySHVBienville, Bossier, Caddo, De Soto, Red River, Webster4 hr
Aug 29, 4:20 AM CDTSpecial Weather StatementSHVCaddo25 min
Aug 29, 4:46 AM CDTSpecial Weather StatementSHVDe Soto, Red River59 min
Aug 29, 5:50 AM CDTAreal Flood AdvisorySHVCaldwell, Grant, LaSalle, Natchitoches, Winn3 hr
Aug 29, 7:19 AM CDTFlash Flood WarningSHVCaldwell, Grant, LaSalle, Winn5 hr
Aug 29, 12:32 AM CDTSpecial Weather StatementSHVLafayette43 min
Aug 29, 1:06 AM CDTSpecial Weather StatementSHVLafayette24 min

Nearby

Flash Flood Warnings in Louisiana, 2025Every flash flood 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.