Alert archive / Texas / Flash Flood Warnings in 2025

Flash Flood Warning 13, NWS Lake Charles, LA

April 21, 2025Tyler County, Texas

NWS Lake Charles, LA issued this flash flood warning at Apr 21, 2025, 4:00 AM CDT for Tyler County, Texas. It was in force for 4 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 21, 2025, 4:00 AM CDT (09:00 UTC)
Expired
Apr 21, 2025, 8:00 AM CDT
In force
4 hr
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Flood severity
None

County Tyler County, TX

The radar

The Lake Charles radar (KLCH), 130 km from the middle of the area, began a volume at 09:04 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.

What was reported inside it

TimeReportWhereRemark
Apr 21, 6:20 AM CDTFLASH FLOODWarren, TXSeveral roads closed due to flooding across the area including: 1943 East and West, CR 4475, FM 1013 @ CR 4478 Water on road but passible - CR 4470, CR 1450.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 9.0 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-pSkew-T log-p diagram, Lake Charles Mun, LA at 00:00Z on 2025-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 830 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 00:00Z on 2025-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 square meters per square second.19395878Sfc1 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
830 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
923 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
157 m²/s²
Significant tornado parameter
0.3
Supercell composite
5.1

Open this sounding in Storm Lab

The text

As transmitted.

399 
WGUS54 KLCH 210900
FFWLCH
TXC457-211200-
/O.NEW.KLCH.FF.W.0013.250421T0900Z-250421T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
400 AM CDT Mon Apr 21 2025

The National Weather Service in Lake Charles has issued a

* Flash Flood Warning for...
  Southwestern Tyler County in southeastern Texas...

* Until 700 AM CDT.

* At 400 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 4 and 7 inches of rain 
  have fallen. The expected rainfall rate is 3 to 4 inches in 1 
  hour. Additional rainfall amounts of 1 to 3 inches are possible in 
  the warned area. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Warren, Ivanhoe and Hillister.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 3053 9450 3053 9451 3053 9454 3066 9457
      3076 9433 3063 9422

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...3-4 INCHES IN 1 HOUR

$$

24
2 follow-up statements
595 
WGUS54 KLCH 211133
FFWLCH
TXC457-211300-
/O.EXT.KLCH.FF.W.0013.000000T0000Z-250421T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
633 AM CDT Mon Apr 21 2025

The National Weather Service in Lake Charles has extended the

* Flash Flood Warning for...
  Southwestern Tyler County in southeastern Texas...

* Until 800 AM CDT.

* At 633 AM CDT, Between 6 and 8 inches of rain have fallen across 
  the warned area. While thunderstorms producing heavy rainfall has 
  diminished, flooding impacts will continue, and additional 
  rainfall will be possible this morning. Flash flooding is ongoing 
  or expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Warren, Ivanhoe and Hillister.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3053 9450 3053 9451 3053 9454 3066 9457
      3076 9433 3063 9422

FLASH FLOOD...RADAR INDICATED

$$

24
563 
WGUS74 KLCH 211253
FFSLCH

Flash Flood Statement
National Weather Service Lake Charles LA
753 AM CDT Mon Apr 21 2025

TXC457-211303-
/O.EXP.KLCH.FF.W.0013.000000T0000Z-250421T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Tyler TX-
753 AM CDT Mon Apr 21 2025

...FLASH FLOOD WARNING WILL EXPIRE AT 8 AM CDT THIS MORNING FOR 
SOUTHWESTERN TYLER COUNTY...

Water levels have begun to recede, and the storms with heavy 
rainfall are now occurring to the south of the warned area. Please 
continue to heed any road closures.

&&

LAT...LON 3053 9450 3053 9451 3053 9454 3066 9457
      3076 9433 3063 9422

$$

24

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 21, 2:23 AM CDTTornado WarningLCHJasper, Tyler18 min
Apr 21, 3:09 AM CDTSpecial Weather StatementLCHJasper36 min
Apr 21, 3:24 AM CDTSevere Thunderstorm WarningLCHJasper, Newton50 min
Apr 21, 3:47 AM CDTSevere Thunderstorm WarningLCHJasper, Newton28 min

Nearby

Flash Flood Warnings in Texas, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.