Alert archive / Louisiana / Flash Flood Warnings in 2024

Flash Flood Warning 34, NWS Shreveport, LA

May 22, 20245 parishes in Louisiana

NWS Shreveport, LA issued this flash flood warning at May 22, 2024, 10:29 PM CDT for 5 parishes in Louisiana. It was in force for 3 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: May 22, 2024, 10:29 PM CDT (03:29 UTC)
Expired: May 23, 2024, 1:30 AM CDT
In force: 3 hr
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Flood severity: None

Counties Bienville Parish, LA, Bossier Parish, LA, Claiborne Parish, LA, Lincoln Parish, LA, Webster Parish, LA

The radar

The Shreveport radar (KSHV), 70 km from the middle of the area, began a volume at 03:29 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

Lake Charles Mun, LA (KLCH), launched 00:00Z, 3.5 hours before the alert went out and 280 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: 1450 J/kg
Mixed-layer CIN: -95 J/kg
Mixed-layer LCL: 926 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 59 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.2

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 May 22, 10:14 PM CDT, 15 minutes earlier.

Area forecast discussion, May 22, 10:14 PM CDT, 15 minutes before

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Hazardous weather outlook, May 22, 3:23 AM CDT, 19 hours 6 minutes before

Hazardous Weather Outlook
National Weather Service Shreveport LA
323 AM CDT Wed May 22 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>167-231200-
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-
323 AM CDT Wed May 22 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.

Strong to severe thunderstorms will become widespread late this
afternoon, into the evening and overnight hours across much of the
Four State Region. Large hail, damaging thunderstorm wind gusts and
locally heavy downpours will be the primary threats with an isolated
tornado threat as well. The severe weather threat should end from
northwest to southeast across the Four State Region overnight
tonight. While widespread flooding is not likely through tonight,
flooding of low lying and flood prone areas will be possible with
heavy downpours through tonight.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Severe weather will be possible once again late Thursday into
Thursday Night, late Friday into Friday Night and again late in the
day on Saturday across mainly portions of Northeast Texas, Southeast
Oklahoma and Southwest Arkansas. Large hail and damaging
thunderstorm wind gusts will again be the main threats Thursday,
Friday and Saturday.

A strong cold front will move through the region on Memorial Day and
Monday Night bringing with it another chance of thunderstorms. Before
the cold front arrives late on Monday, we will see some of the
hottest temperatures of the late Spring Season with afternoon high
temperatures both Saturday and Sunday in the lower to middle 90s.
Combine this with high afternoon humidity and heat indices could
approach 105 degrees across some locations.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will be likely later this afternoon and into the
late evening and early overnight periods tonight with the development
of severe thunderstorms.

13

In the hours before

Local storm report, May 22, 9:52 PM CDT, 37 minutes before

Preliminary Local Storm Report
National Weather Service Shreveport LA
952 PM CDT Wed May 22 2024

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

0630 PM     Hail             7 SSW Ore City          32.71N 94.75W
05/22/2024  M1.50 Inch       Upshur             TX   Amateur Radio

            Correction...Hail quarter to Ping Pong size
            reported in Diana community from public
            photos and Amateur radio.

&&

20

Local storm report, May 22, 9:58 PM CDT, 31 minutes before

Preliminary Local Storm Report
National Weather Service Shreveport LA
958 PM CDT Wed May 22 2024

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

0842 PM     Hail             Mount Pleasant          33.17N 94.98W
05/22/2024  E1.00 Inch       Titus              TX   Public

            Photo of hail near quarter size via KLTV
            Facebook.

&&

20

Special weather statement, May 22, 10:06 PM CDT, 23 minutes before

Special Weather Statement
National Weather Service Shreveport LA
1006 PM CDT Wed May 22 2024

LAZ005-012-230345-
Bienville LA-Lincoln LA-
1006 PM CDT Wed May 22 2024

...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN BIENVILLE AND
SOUTHWESTERN LINCOLN PARISHES THROUGH 1045 PM CDT...

At 1006 PM CDT, Doppler radar was tracking a strong thunderstorm 10
miles east of Ringgold, or 20 miles southeast of Minden, moving east
at 25 mph.

HAZARD...Wind gusts up to 50 mph and nickel size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Bienville, Bryceland, Brice, Liberty Hill, Sailes, and Mount Olive.

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.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
north central and northwestern Louisiana.

&&

LAT...LON 3229 9311 3246 9313 3251 9281 3227 9277
TIME...MOT...LOC 0306Z 261DEG 22KT 3236 9310

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

13

Special weather statement, May 22, 10:10 PM CDT, 19 minutes before

Special Weather Statement
National Weather Service Shreveport LA
1010 PM CDT Wed May 22 2024

LAZ010-017-TXZ151-153-230345-
De Soto LA-Sabine LA-Panola TX-Shelby TX-
1010 PM CDT Wed May 22 2024

...STRONG THUNDERSTORMS WILL IMPACT DE SOTO AND NORTHWESTERN SABINE
PARISHES...SOUTHEASTERN PANOLA AND EASTERN SHELBY COUNTIES THROUGH
1045 PM CDT...

At 1009 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 10 miles east of Carthage to 7 miles northwest
of Logansport to near Joaquin to near Center to near Neuville.
Movement was east at 50 mph.

HAZARD...Wind gusts up to 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Center, Mansfield, Zwolle, Logansport, Joaquin, Converse, Patroon,
Neuville, Shelbyville, Oak Grove, Pleasant Hill, Huxley, South
Mansfield, Keachi, Noble, Grand Cane, Longstreet, Stanley, Keat Chie,
and Carmel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

These storms 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.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
northwestern Louisiana...and eastern and northeastern Texas.

&&

LAT...LON 3160 9386 3161 9390 3160 9392 3161 9407
      3162 9409 3164 9423 3181 9418 3192 9416
      3202 9417 3216 9427 3222 9367 3196 9352
      3186 9350 3175 9353 3158 9364
TIME...MOT...LOC 0309Z 270DEG 42KT 3212 9416 3203 9410 3194 9409 3183
9411 3169 9418

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

20

Local storm report, May 22, 10:22 PM CDT, 7 minutes before

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Local storm report, May 22, 10:27 PM CDT, 2 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
May 22, 7:38 PM CDT	Special Weather Statement	SHV	Panola	52 min
May 22, 7:47 PM CDT	Severe Thunderstorm Warning	SHV	Panola	58 min
May 22, 8:00 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Camp, Franklin, Morris, Titus, Upshur	60 min
May 22, 8:11 PM CDT	Severe Thunderstorm Warning	SHV	Franklin, Morris, Red River, Titus	49 min
May 22, 8:23 PM CDT	Tornado Warning	SHV	Camp, Franklin, Titus	25 min
May 22, 8:44 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Cherokee, Nacogdoches, Rusk	61 min
May 22, 9:01 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Cass, Morris, Titus	44 min
May 22, 9:20 PM CDT	Severe Thunderstorm Warning Destructive damage threat	SHV	Nacogdoches, Panola, Rusk, Shelby	40 min
May 22, 9:42 PM CDT	Severe Thunderstorm Warning	SHV	Cass	48 min
May 22, 10:10 PM CDT	Special Weather Statement	SHV	Shelby	35 min
May 23, 12:13 AM CDT	Special Weather Statement	SHV	Cherokee, Rusk	32 min
May 23, 12:46 AM CDT	Special Weather Statement	SHV	Nacogdoches	29 min
May 23, 6:26 AM CDT	Special Weather Statement	SHV	Red River	49 min
May 23, 6:46 AM CDT	Special Weather Statement	SHV	Red River	44 min
May 23, 7:17 AM CDT	Severe Thunderstorm Warning	SHV	Bowie	58 min
May 23, 6:17 PM CDT	Special Weather Statement	SHV	Smith	43 min
May 23, 6:46 PM CDT	Severe Thunderstorm Warning	SHV	Cherokee, Smith	44 min
May 22, 7:08 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Bossier, Caddo	57 min
May 22, 7:21 PM CDT	Severe Thunderstorm Warning	SHV	Bossier, Caddo, Claiborne, Webster	54 min
May 22, 7:31 PM CDT	Tornado Warning	SHV	Bienville, Bossier, Webster	28 min
May 22, 7:44 PM CDT	Severe Thunderstorm Warning	SHV	Ouachita, Union	31 min
May 22, 7:51 PM CDT	Flash Flood Warning	SHV	Bossier, Caddo	4 hr
May 22, 7:52 PM CDT	Special Weather Statement	SHV	Lincoln	38 min
May 22, 7:55 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Bossier, Claiborne, Webster	50 min
May 22, 8:16 PM CDT	Severe Thunderstorm Warning	SHV	Lincoln, Union	59 min
May 22, 8:39 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Claiborne, Jackson, Lincoln	66 min
May 22, 8:40 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Bossier, Caddo, De Soto, Red River	45 min
May 22, 8:52 PM CDT	Flash Flood Warning	SHV	Claiborne, Union	3 hr
May 22, 8:55 PM CDT	Flash Flood Warning	SHV	Lincoln, Ouachita, Union	5 hr
May 22, 9:19 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Bossier, Webster	56 min
May 22, 9:35 PM CDT	Severe Thunderstorm Warning	SHV	Jackson, Lincoln, Ouachita, Union	40 min
May 22, 9:44 PM CDT	Special Weather Statement	SHV	Bossier, Caddo, Webster	46 min
May 22, 10:04 PM CDT	Severe Thunderstorm Warning	SHV	Ouachita, Union	41 min
May 22, 10:06 PM CDT	Special Weather Statement	SHV	Bienville	39 min
May 22, 10:48 PM CDT	Special Weather Statement	SHV	Bienville, Red River	57 min
May 22, 11:36 PM CDT	Special Weather Statement	SHV	Jackson, Ouachita, Winn	54 min
May 22, 11:41 PM CDT	Special Weather Statement	SHV	Lincoln	49 min
May 22, 11:56 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Jackson, Ouachita, Winn	34 min
May 23, 12:29 AM CDT	Special Weather Statement	SHV	Caldwell, Ouachita	31 min
May 23, 8:45 AM CDT	River Flood Warning	SHV	Webster	12 hr
May 23, 3:10 PM CDT	Special Weather Statement	SHV	Claiborne	35 min
May 23, 3:48 PM CDT	Special Weather Statement	SHV	Union	27 min
May 23, 5:35 PM CDT	Special Weather Statement	SHV	Winn	25 min
May 23, 5:49 PM CDT	Special Weather Statement	SHV	Winn	26 min
May 22, 8:51 PM CDT	Special Weather Statement	SHV	Sevier	39 min
May 22, 8:53 PM CDT	Special Weather Statement	SHV	Union	52 min
May 23, 6:24 AM CDT	Special Weather Statement	SHV	Little River, Sevier	51 min
May 23, 6:43 AM CDT	Severe Thunderstorm Warning	SHV	Hempstead, Howard, Little River, Sevier	47 min
May 23, 8:16 AM CDT	Special Weather Statement	SHV	Nevada	29 min
May 23, 8:41 AM CDT	Areal Flood Advisory	SHV	Hempstead, Nevada	3 hr

Nearby

Flash Flood Warnings in Louisiana, 2024 Every flash flood 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.