Alert archive / Louisiana / Flash Flood Warnings in 2024

Flash Flood Warning 102, NWS Lake Charles, LA

July 18, 2024Lafayette Parish, Saint Martin Parish, Louisiana

NWS Lake Charles, LA issued this flash flood warning at Jul 18, 2024, 11:29 AM CDT for Lafayette Parish, Saint Martin Parish, Louisiana. It was in force for 2 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: Jul 18, 2024, 11:29 AM CDT (16:29 UTC)
Expired: Jul 18, 2024, 1:51 PM CDT
In force: 2 hr
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Flood severity: None

Counties Lafayette Parish, LA, Saint Martin Parish, LA

The radar

The Lake Charles radar (KLCH), 133 km from the middle of the area, began a volume at 16:32 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 12:00Z, 4.5 hours before the alert went out and 131 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: 2542 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 805 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: -12 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Lake Charles, LA wrote its last area forecast discussion before this flash flood warning went out at Jul 18, 3:59 AM CDT, 7 hours 30 minutes earlier.

Area forecast discussion, Jul 18, 3:59 AM CDT, 7 hours 30 minutes before

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In the hours before

Special weather statement, Jul 18, 6:00 AM CDT, 5 hours 29 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
600 AM CDT Thu Jul 18 2024

TXZ180-259-181200-
Northern Jasper TX-Tyler TX-
600 AM CDT Thu Jul 18 2024

...A STRONG THUNDERSTORM WILL IMPACT NORTHERN TYLER AND NORTHERN
JASPER COUNTIES THROUGH 700 AM CDT...

At 600 AM CDT, Doppler radar was tracking a strong thunderstorm near
Chester, moving east at 35 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...
Jasper, Woodville, Colmesneil, Chester, Ebenezer, Town Bluff,
Rockland, Browndell, Harrisburg, Magnolia Springs, and Sam Rayburn
Dam.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

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 3104 9460 3106 9456 3105 9449 3103 9447
      3111 9406 3113 9404 3109 9390 3102 9388
      3066 9406 3082 9461 3098 9465
TIME...MOT...LOC 1100Z 284DEG 31KT 3097 9456

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

Rua

Special weather statement, Jul 18, 7:08 AM CDT, 4 hours 21 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
708 AM CDT Thu Jul 18 2024

TXZ515-615-616-181315-
Lower Jefferson TX-Southern Orange TX-Upper Jefferson TX-
708 AM CDT Thu Jul 18 2024

...A STRONG THUNDERSTORM WILL IMPACT CENTRAL JEFFERSON AND
SOUTHWESTERN ORANGE COUNTIES THROUGH 815 AM CDT...

At 708 AM CDT, Doppler radar was tracking a strong thunderstorm over
Hamshire, moving northeast at 20 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...
Beaumont, Port Arthur, Nederland, Groves, Port Neches, Hamshire,
Central Gardens, Rose City, Port Acres, Fannett, La Belle, Southeast
Texas Regional Airport, and Winnie.

This includes Interstate 10 in Texas between mile markers 858 and
832.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

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 3019 9418 3017 9417 3017 9413 3015 9410
      3014 9411 3013 9408 3011 9407 3009 9409
      3011 9405 2995 9386 2977 9432 2980 9436
      2989 9436 2989 9444 2992 9444
TIME...MOT...LOC 1208Z 228DEG 16KT 2989 9433

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

Rua

Special weather statement, Jul 18, 8:18 AM CDT, 3 hours 11 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
818 AM CDT Thu Jul 18 2024

LAZ073-141-241-TXZ516-616-181345-
West Cameron LA-Southern Calcasieu LA-Northern Calcasieu LA-
Northern Orange TX-Southern Orange TX-
818 AM CDT Thu Jul 18 2024

...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN CAMERON...
SOUTHWESTERN CALCASIEU PARISHES IN SOUTHWESTERN LOUISIANA AND
SOUTHEASTERN ORANGE COUNTIES THROUGH 845 AM CDT...

At 818 AM CDT, Doppler radar was tracking a strong thunderstorm near
Toomey, or 7 miles south of Vinton, moving northeast at 15 mph.

HAZARD...Wind gusts up to 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 vegetation and outdoor
         objects is possible.

Locations impacted include...
Orange, Bridge City, West Orange, Vinton, Carlyss, Pinehurst, Toomey,
Edgerly, and Hackberry.

This includes the following highways...
 Interstate 10 in Texas between mile markers 880 and 876.
 Interstate 10 in Louisiana between mile markers 1 and 17.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

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 2988 9373 2993 9377 2997 9376 2999 9379
      2999 9380 3000 9379 2999 9381 3004 9385
      3034 9361 3008 9322 3005 9329 3005 9333
      3004 9333
TIME...MOT...LOC 1318Z 213DEG 14KT 3009 9362

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

Calhoun

Special weather statement, Jul 18, 8:51 AM CDT, 2 hours 38 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
851 AM CDT Thu Jul 18 2024

LAZ241-181415-
Southern Calcasieu LA-
851 AM CDT Thu Jul 18 2024

...A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN CALCASIEU PARISH
THROUGH 915 AM CDT...

At 851 AM CDT, Doppler radar was tracking a strong thunderstorm over
Holmwood, or near Lake Charles Regional Airport, moving northeast at
10 mph.

HAZARD...Wind gusts up to 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 vegetation and outdoor
         objects is possible.

Locations impacted include...
Iowa, Holmwood, and Bell City.

This includes Interstate 10 in Louisiana near mile marker 41.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

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 3014 9319 3025 9306 3025 9304 3019 9300
      3016 9300 3016 9297 3010 9292 3005 9313
      3005 9314
TIME...MOT...LOC 1351Z 232DEG 9KT 3012 9312

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

Calhoun

Local storm report, Jul 18, 10:16 AM CDT, 1 hour 13 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 5:27 AM CDT	Special Weather Statement	LCH	Vernon	63 min
Jul 18, 5:28 AM CDT	Special Weather Statement	LCH	Rapides	62 min
Jul 18, 8:18 AM CDT	Special Weather Statement	LCH	Calcasieu	27 min
Jul 18, 8:29 AM CDT	Severe Thunderstorm Warning	LCH	Calcasieu	16 min
Jul 18, 8:51 AM CDT	Special Weather Statement	LCH	Jefferson Davis	24 min
Jul 18, 9:01 AM CDT	Tornado Warning	LCH	Allen, Beauregard, Calcasieu, Jefferson Davis	11 min
Jul 18, 6:00 AM CDT	Special Weather Statement	LCH	Jasper, Tyler	60 min
Jul 18, 7:08 AM CDT	Special Weather Statement	LCH	Jefferson	67 min

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.