Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 52, NWS Lake Charles, LA

September 14, 2021Jefferson County, Orange County, Texas

NWS Lake Charles, LA issued this flash flood warning at Sep 14, 2021, 6:24 AM CDT for Jefferson County, Orange County, Texas. It was in force for 10 hr. 8 reports 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
Sep 14, 2021, 6:24 AM CDT (11:24 UTC)
Expired
Sep 14, 2021, 4:00 PM CDT
In force
10 hr
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Damage threat
Considerable
Flood severity
None

Counties Jefferson County, TX, Orange County, TX

The radar

The Lake Charles radar (KLCH), 75 km from the middle of the area, began a volume at 11:23 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
Sep 14, 11:15 AM CDTFLASH FLOOD1 Ne Nederland, TXWATER OVER THE ROAD.
Sep 14, 11:16 AM CDTFLASH FLOOD4 Nw Central Gardens, TXWATER OVER THE ROAD.
Sep 14, 11:18 AM CDTFLASH FLOOD3 S Beaumont, TXWATER OVER THE ROAD.
Sep 14, 11:19 AM CDTFLASH FLOOD3 Wsw West Orange, TXWATER OVER THE ROAD.
Sep 14, 11:21 AM CDTFLASH FLOOD1 Wnw West Orange, TXWATER OVER THE ROAD.
Sep 14, 11:22 AM CDTFLASH FLOOD1 Se Orange, TXWATER OVER THE ROAD.
Sep 14, 12:14 PM CDTFLASH FLOOD1 Ssw Port Neches, TXWATER OVER THE ROAD.
Sep 14, 2:43 PM CDTFLASH FLOOD1 Nw West Orange, TXWATER OVER THE ROADWAY.

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, 11.4 hours before the alert went out and 76 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 2021-09-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 528 joules per kilogram.LCLEL10008507005003002001001 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 2021-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
528 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
794 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
327 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.3

Open this sounding in Storm Lab

The text

As transmitted.

687 
WGUS54 KLCH 141124
FFWLCH
TXC245-361-141600-
/O.NEW.KLCH.FF.W.0052.210914T1124Z-210914T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
624 AM CDT Tue Sep 14 2021

The National Weather Service in Lake Charles has issued a

* Flash Flood Warning for...
  Jefferson County in southeastern Texas...
  Orange County in southeastern Texas...

* Until 1100 AM CDT.

* At 624 AM CDT, Doppler radar and automated rain gauges indicated 
  heavy rain falling across the warned area. Between 2 and 5 inches 
  of rain have fallen. The expected rainfall rate is 1 to 2 inches 
  in 1 hour. Additional rainfall amounts of 2 to 6 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Life threatening flash flooding. Heavy rain producing
           flash flooding.

  SOURCE...Radar and automated gauges.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Beaumont, Port Arthur, Orange, Nederland, Groves, Port Neches, 
  Vidor, Bridge City, West Orange, Central Gardens, Hamshire, Sabine 
  Pass, China, Rose City, Pine Forest, Port Acres, Southeast Texas 
  Regional Airport, La Belle, Fannett and Orangefield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3002 9441 3007 9423 3014 9414 3017 9404
      3017 9381 3011 9370 3009 9373 3006 9370
      3006 9372 2999 9379 2999 9377 2998 9378
      2996 9384 2987 9391 2979 9392 2967 9383
      2966 9405 2957 9428 2959 9424

FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR

$$

Rua
3 follow-up statements
480 
WGUS54 KLCH 141527
FFWLCH
TXC245-361-141900-
/O.EXT.KLCH.FF.W.0052.000000T0000Z-210914T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
1027 AM CDT Tue Sep 14 2021

The National Weather Service in Lake Charles has extended the

* Flash Flood Warning for...
  Jefferson County in southeastern Texas...
  Orange County in southeastern Texas...

* Until 200 PM CDT.

* At 1027 AM CDT, Doppler radar and automated rain gauges indicated 
  heavy rain falling across the warned area. Between 3 and 6 inches 
  of rain have fallen. 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 heavy rain.

  SOURCE...Radar and automated gauges.

  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...
  Beaumont, Port Arthur, Orange, Nederland, Groves, Port Neches, 
  Vidor, Bridge City, West Orange, Central Gardens, Hamshire, Sabine 
  Pass, China, Rose City, Pine Forest, Port Acres, Southeast Texas 
  Regional Airport, La Belle, Fannett and Orangefield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3002 9441 3007 9423 3014 9414 3017 9404
      3017 9381 3011 9370 3009 9373 3006 9370
      3006 9372 2999 9379 2999 9377 2998 9378
      2996 9384 2987 9391 2979 9392 2967 9383
      2966 9405 2957 9428 2959 9424

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$
030 
WGUS54 KLCH 141747
FFWLCH
TXC245-361-142100-
/O.EXT.KLCH.FF.W.0052.000000T0000Z-210914T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
1247 PM CDT Tue Sep 14 2021

The National Weather Service in Lake Charles has extended the

* Flash Flood Warning for...
  Jefferson County in southeastern Texas...
  Orange County in southeastern Texas...

* Until 400 PM CDT.

* At 1247 PM CDT, Doppler radar and automated rain gauges moderate 
  rainfall continuing to fall across the warned area at times. Water 
  is covering some of the area roadways and several stream gages in 
  the area continue to show runoff continuing. Between 3 and 6 
  inches of rain have fallen. Additional rainfall amounts of 1 to 3 
  inches are possible in the warned area. Flash flooding is already 
  occurring.

  HAZARD...Flash flooding caused by heavy rain.

  SOURCE...Radar and automated gauges.

  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...
  Beaumont, Port Arthur, Orange, Nederland, Groves, Port Neches, 
  Vidor, Bridge City, West Orange, Central Gardens, Hamshire, Sabine 
  Pass, China, Rose City, Pine Forest, Port Acres, Southeast Texas 
  Regional Airport, La Belle, Fannett and Orangefield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3002 9441 3007 9423 3014 9414 3017 9404
      3017 9381 3011 9370 3009 9373 3006 9370
      3006 9372 2999 9379 2999 9377 2998 9378
      2996 9384 2987 9391 2979 9392 2967 9383
      2966 9405 2957 9428 2959 9424

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$
599 
WGUS74 KLCH 142056
FFSLCH

Flash Flood Statement
National Weather Service Lake Charles LA
356 PM CDT Tue Sep 14 2021

TXC245-361-142106-
/O.EXP.KLCH.FF.W.0052.000000T0000Z-210914T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jefferson TX-Orange TX-
356 PM CDT Tue Sep 14 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 4 PM CDT THIS AFTERNOON FOR 
JEFFERSON AND ORANGE COUNTIES...

The heavy rain has ended at this time, however water does continue 
rising on larger streams and bayous. Flash Flooding is no longer 
expected to pose a threat. Please continue to heed remaining road 
closures.

A Flash Flood Watch remains in effect until 600 PM CDT Wednesday for 
portions of Louisiana and southeast Texas.

LAT...LON 3002 9441 3007 9423 3014 9414 3017 9404
      3017 9381 3011 9370 3009 9373 3006 9370
      3006 9372 2999 9379 2999 9377 2998 9378
      2996 9384 2987 9391 2979 9392 2967 9383
      2966 9405 2957 9428 2959 9424

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 14, 8:18 AM CDTRiver Flood WarningLCHHardin, Jefferson, Orange19 hr
Sep 14, 8:19 AM CDTRiver Flood WatchLCHNewton25 hr
Sep 14, 10:00 AM CDTWind AdvisoryLCHHardin, Jasper, Newton9 hr
Sep 14, 2:01 PM CDTRiver Flood WarningLCHHardin, Jasper, Jefferson, Orange35 hr
Sep 14, 3:46 PM CDTFlash Flood WarningLCHOrange3 hr
Sep 14, 4:03 PM CDTAreal Flood WarningLCHJefferson6 hr

Nearby

Flash Flood Warnings in Texas, 2021Every flash flood warning in 2021

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.