Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 43, NWS Lake Charles, LA

July 3, 2021Orange County, Texas

NWS Lake Charles, LA issued this flash flood warning at Jul 3, 2021, 3:49 PM CDT for Orange County, Texas. It was in force for 86 min. 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: Jul 3, 2021, 3:49 PM CDT (20:49 UTC)
Expired: Jul 3, 2021, 5:15 PM CDT
In force: 86 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Flood severity: None

County Orange County, TX

The radar

The Lake Charles radar (KLCH), 78 km from the middle of the area, began a volume at 20:51 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

Time	Report	Where	Remark
Jul 3, 4:22 PM CDT	FLASH FLOOD	Vidor, TX	SEVERAL I-10 SERVICE ROADS IN THE VIDOR AREA ARE FLOODED AS WELL AS MAIN ST NEAR WALMART.

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 12:00Z, 8.8 hours before the alert went out and 79 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: 1107 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 628 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 24 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

389 
WGUS54 KLCH 032049
FFWLCH
TXC361-032215-
/O.NEW.KLCH.FF.W.0043.210703T2049Z-210703T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
349 PM CDT Sat Jul 3 2021

The National Weather Service in Lake Charles has issued a

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

* Until 515 PM CDT.

* At 349 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 3 inches of rain 
  have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Beaumont, Port Arthur, Nederland, Port Neches, Vidor, Bridge City, 
  Rose City and Pine Forest.

This includes the following highways...
	Interstate 10 in Texas between mile markers 862 and 857.

Additional rainfall amounts of 1 to 3 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A Flash Flood Warning means that flooding is imminent or occurring. 
If you are in the warned area move to higher ground immediately. 
Residents living along streams and creeks should take immediate 
precautions to protect life and property.

&&

LAT...LON 3002 9386 2998 9389 3000 9396 3001 9396
      3004 9402 3005 9403 3007 9403 3006 9404
      3008 9405 3008 9408 3010 9409 3012 9407
      3013 9408 3013 9410 3017 9411 3019 9410
      3020 9409 3021 9405 3008 9395

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

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 3:13 PM CDT	Flash Flood Warning	LCH	Orange	2 hr
Jul 3, 5:05 PM CDT	Flash Flood Warning	LCH	Orange	4 hr

Nearby

Flash Flood Warnings in Texas, 2021 Every 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.