Alert archive / Texas / Flash Flood Warnings in 2016

Flash Flood Warning 37, NWS Lake Charles, LA

April 30, 20164 counties in Texas

NWS Lake Charles, LA issued this flash flood warning at Apr 30, 2016, 9:55 AM CDT for 4 counties in Texas. It was in force for 5 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 30, 2016, 9:55 AM CDT (14:55 UTC)
Expired: Apr 30, 2016, 2:45 PM CDT
In force: 5 hr
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Flood severity: None

Counties Hardin County, TX, Jasper County, TX, Newton County, TX, Tyler County, TX

The radar

The Lake Charles radar (KLCH), 90 km from the middle of the area, began a volume at 14:56 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
Apr 30, 9:55 AM CDT	HEAVY RAIN 3.66	4 N Silsbee, TX	MESONET STATION 3 N SILSBEE /D9101/

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, 2.9 hours before the alert went out and 92 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: 1273 J/kg
Mixed-layer CIN: -78 J/kg
Mixed-layer LCL: 690 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 249 m²/s²
0-3 km storm-relative helicity: 295 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 9.9

Open this sounding in Storm Lab

The text

As transmitted.

428 
WGUS54 KLCH 301455
FFWLCH
TXC199-241-351-457-301945-
/O.NEW.KLCH.FF.W.0037.160430T1455Z-160430T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
955 AM CDT SAT APR 30 2016

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN TYLER COUNTY IN SOUTHEASTERN TEXAS...
  HARDIN COUNTY IN SOUTHEASTERN TEXAS...
  SOUTHEASTERN JASPER COUNTY IN SOUTHEASTERN TEXAS...
  SOUTHWESTERN NEWTON COUNTY IN SOUTHEASTERN TEXAS...

* UNTIL 245 PM CDT

* AT 949 AM CDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE
  WARNED AREA. RAINFALL AMOUNTS OF TWO TO FIVE INCHES OF RAIN HAVE
  FALLEN. FLASH FLOODING IS ALREADY OCCURRING AND STREAM GAUGES IN
  THE AREA CONTINUE TO SHOW RISING WATER LEVELS. WHILE RAINFALL
  RATES HAVE DECREASED FOR THE TIME BEING...ADDITIONAL HEAVY
  RAINFALL DEVELOPMENT IS POSSIBLE WITH UP TO TWO INCHES
  OF RAIN THROUGH 3 PM. 

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BEAUMONT...LUMBERTON...SILSBEE...NEWTON...KIRBYVILLE...KOUNTZE...
  DEWEYVILLE...THICKET...FRED...SARATOGA...BUNA...EVADALE...CALL...WARREN...
  WILDWOOD...LAKEVIEW...ROGANVILLE...VOTAW...VILLAGE MILLS AND GIST.

THIS INCLUDES BUT NOT LIMTED TO THE FOLLOWING STREAMS AND
DRAINAGES...VILLAGE CREEK... BOGGY CREEK...LITTLE CYPRESS
CREEK...CYPRESS CREEK...NICHOLS CREEK...HORSEPEN CREEK...STEEPBANK
CREEK...LONG BRANCH...DAVE MACK BRANCH...MILL CREEK...COW
BAYOU...BIG CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3049 9465 3049 9454 3055 9455 3078 9416
      3091 9367 3059 9369 3054 9374 3043 9370
      3043 9371 3039 9376 3034 9376 3029 9371
      3024 9372 3024 9412 3020 9409 3017 9412
      3019 9421 3018 9421 3012 9460 3045 9472

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 29, 8:24 PM CDT	River Flood Warning	LCH	Hardin, Jefferson	6 days
Apr 30, 4:04 AM CDT	Special Weather Statement	LCH	Tyler	41 min
Apr 30, 4:42 AM CDT	Areal Flood Advisory	LCH	Jasper, Tyler	3 hr
Apr 30, 4:51 AM CDT	Special Weather Statement	LCH	Hardin, Tyler	39 min
Apr 30, 5:24 AM CDT	Areal Flood Advisory	LCH	Hardin, Jasper, Tyler	3 hr
Apr 30, 5:43 AM CDT	Special Weather Statement	LCH	Hardin, Jasper, Newton	47 min
Apr 30, 6:08 AM CDT	Severe Thunderstorm Warning	LCH	Hardin, Jasper, Newton, Tyler	37 min
Apr 30, 6:10 AM CDT	Tornado Warning	LCH	Jasper, Newton	35 min
Apr 30, 6:44 AM CDT	Severe Thunderstorm Warning	LCH	Newton	61 min
Apr 30, 7:03 AM CDT	Flash Flood Warning	LCH	Hardin, Tyler	3 hr
Apr 30, 7:18 AM CDT	Areal Flood Advisory	LCH	Jasper, Newton, Orange	3 hr
Apr 30, 8:58 AM CDT	Flash Flood Warning	LCH	Jasper, Newton	92 min
Apr 30, 9:21 AM CDT	River Flood Warning	LCH	Newton	12 days
Apr 30, 9:40 AM CDT	River Flood Warning	LCH	Hardin	63 hr

Nearby

Flash Flood Warnings in Texas, 2016 Every flash flood warning in 2016

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.