Alert archive / Texas / Flash Flood Warnings in 2017

Flash Flood Warning 65, NWS Lake Charles, LA

August 28, 20174 counties in Texas

NWS Lake Charles, LA issued this flash flood warning at Aug 28, 2017, 5:42 AM CDT for 4 counties in Texas. It was in force for 12 hr. 6 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: Aug 28, 2017, 5:42 AM CDT (10:42 UTC)
Expired: Aug 28, 2017, 5:45 PM CDT
In force: 12 hr
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Emergency: Flash flood emergency
Flood severity: None

Counties Hardin County, TX, Jasper County, TX, Jefferson County, TX, Orange County, TX

The radar

The Lake Charles radar (KLCH), 94 km from the middle of the area, began a volume at 10:45 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
Aug 28, 6:01 AM CDT	FLASH FLOOD	3 Ne Hamshire, TX	NUMEROUS ROADS FLOODED WITH REPORTS OF WATER IN HOMES. 14 INCHES OF RAIN MEASURED SINCE MIDNIGHT.
Aug 28, 6:53 AM CDT	FLASH FLOOD	Vidor, TX	PUBLIC REPORTS WATER ENTERING HOMES IN SOUTH VIDOR.
Aug 28, 7:05 AM CDT	FLASH FLOOD	Groves, TX	PUBLIC POSTED MULTIPLE PHOTOS ON SOCIAL MEDIA OF FLASH FLOODING AROUND GROVES.
Aug 28, 7:33 AM CDT	FLASH FLOOD	Lumberton, TX	PUBLIC POSTED PHOTO OF FLASH FLOODING IN LUMBERTON.
Aug 28, 5:30 PM CDT	FLASH FLOOD	5 Nnw Vidor, TX	PUBLIC PHOTO SHOWS SEVERAL FEET OF WATER FLOODING A GAS STATION OFF LAKEVIEW AND HWY 1131.
Aug 28, 5:45 PM CDT	FLASH FLOOD	4 S Lumberton, TX	MEDIA PHOTO SHOWS SIGNIFICANT WATER OVER KEITH ROAD AND A WATER RESCUE WITH BOATS.

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, 10.7 hours before the alert went out and 96 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: 311 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 714 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 148 m²/s²
0-3 km storm-relative helicity: 253 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

As transmitted.

249 
WGUS54 KLCH 281042
FFWLCH
TXC199-241-245-361-281645-
/O.NEW.KLCH.FF.W.0065.170828T1042Z-170828T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
542 AM CDT MON AUG 28 2017

The National Weather Service in Lake Charles has issued a

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

* Until 1145 AM CDT Monday

* At 541 AM CDT, Doppler radar and automated rain gauges indicated 
  heavy rain falling across the warned area. 6 to 12 inches of 
  rainfall have occurred across the warned area since yesterday. 
  Flash flooding is already occurring and will continue through the 
  morning.

* Some locations that will experience flooding include...
  Beaumont, Port Arthur, Nederland, Groves, Port Neches, Lumberton,
  Vidor, Bridge City, Silsbee, Kountze, Sour Lake, Nome, Evadale,
  Central Gardens, Thicket, Saratoga, Hamshire, Wildwood,
  Mauriceville and Buna.

Additional rainfall amounts of 2 to 5 inches are expected with 
locally higher amounts possible in the warned area.

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 3049 9473 3049 9454 3053 9454 3052 9393
      3024 9390 3024 9384 3001 9376 2999 9386
      2993 9386 2984 9395 2979 9395 2968 9385
      2967 9405 2956 9435 2989 9436 2989 9444
      3011 9445 3011 9460

$$

TWH

2 follow-up statements

129 
WGUS54 KLCH 281643
FFWLCH
TXC199-241-245-361-282245-
/O.EXT.KLCH.FF.W.0065.000000T0000Z-170828T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
1143 AM CDT MON AUG 28 2017

The National Weather Service in Lake Charles has extended the

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

* Until 545 PM CDT Monday

* At 1138 AM CDT, Doppler radar and automated rain gauges indicated 
  heavy rain has had a brief break across the region, however radar 
  indicates new showers trying to develop and move to the northwest. 
  In addition stream gauges continue to show rapid rises on area 
  streams from heavy rainfall overnight and this morning. Flash 
  flooding is already occurring and will continue into the afternoon.

* Some locations that will experience flooding include...
  Beaumont, Port Arthur, Nederland, Groves, Port Neches, Lumberton,
  Vidor, Bridge City, Silsbee, Kountze, Sour Lake, Nome, Evadale,
  Central Gardens, Thicket, Saratoga, Hamshire, Wildwood,
  Mauriceville and Buna.

Additional rainfall amounts of one to three inches are possible in 
the warned area through the afternoon with locally higher amounts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3049 9473 3049 9454 3053 9454 3052 9393
      3024 9390 3024 9384 3001 9376 2999 9386
      2993 9386 2984 9395 2979 9395 2968 9385
      2967 9405 2956 9435 2989 9436 2989 9444
      3011 9445 3011 9460

$$

311 
WGUS74 KLCH 282116
FFSLCH

Flash Flood Statement
National Weather Service Lake Charles LA
416 PM CDT MON AUG 28 2017

TXC199-241-245-361-282245-
/O.CON.KLCH.FF.W.0065.000000T0000Z-170828T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jefferson TX-Hardin TX-Orange TX-Jasper TX-
416 PM CDT MON AUG 28 2017

...THIS IS A FLASH FLOOD EMERGENCY FOR Jefferson and Hardin 
Counties...

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
JEFFERSON...HARDIN...ORANGE AND SOUTHEASTERN JASPER COUNTIES...

At 411 PM CDT, Doppler radar and automated rain gauges indicated 
that heavy rain was once again falling over the area that has. 
received a tremndous amount of rainfall the past few days. Flash 
flooding is currently ogoing with evacuations ongoing along Taylors, 
Hillebrandt, and Pine Island Bayous.

This is a FLASH FLOOD EMERGENCY for Jefferson and Hardin Counties. 
This is a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!

Some locations that will experience flooding include...
Beaumont, Port Arthur, Nederland, Groves, Port Neches, Lumberton,
Vidor, Bridge City, Silsbee, Kountze, Sour Lake, Nome, Evadale,
Central Gardens, Thicket, Saratoga, Hamshire, Wildwood, Mauriceville
and Buna.

Additional rainfall amounts of one to three inches with locally 
higher amounts are possible in the warned area for the remainder of 
the afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now. This is an extremely dangerous and
life-threatening situation. Do not attempt to travel unless you are
fleeing an area subject to flooding or under an evacuation order.

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 3049 9473 3049 9454 3053 9454 3052 9393
      3024 9390 3024 9384 3001 9376 2999 9386
      2993 9386 2984 9395 2979 9395 2968 9385
      2967 9405 2956 9435 2989 9436 2989 9444
      3011 9445 3011 9460

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 27, 7:00 PM CDT	Tornado Warning	LCH	Jefferson	30 min
Aug 27, 7:24 PM CDT	Tornado Warning	LCH	Jefferson	51 min
Aug 27, 7:41 PM CDT	Flash Flood Warning	LCH	Hardin, Jasper, Jefferson, Orange	10 hr
Aug 27, 9:54 PM CDT	Tornado Warning	LCH	Jefferson	36 min
Aug 27, 11:58 PM CDT	Flash Flood Warning	LCH	Newton, Orange	8 hr
Aug 28, 12:19 AM CDT	Tornado Warning	LCH	Jefferson, Orange	26 min
Aug 28, 12:49 AM CDT	Special Weather Statement	LCH	Orange	41 min
Aug 28, 3:42 AM CDT	Tornado Warning	LCH	Jefferson	38 min
Aug 28, 4:55 AM CDT	Special Weather Statement	LCH	Orange	50 min
Aug 28, 5:00 AM CDT	Coastal Flood Advisory	LCH		9 hr
Aug 28, 7:54 AM CDT	Flash Flood Warning	LCH	Newton, Orange	11 hr
Aug 28, 8:05 AM CDT	Flash Flood Warning	LCH	Jasper, Tyler	11 hr
Aug 28, 9:18 AM CDT	River Flood Warning	LCH	Newton	10 days
Aug 28, 9:38 AM CDT	Tornado Warning	LCH	Jasper, Newton	22 min
Aug 28, 10:20 AM CDT	Tropical Storm Warning	LCH		58 hr
Aug 28, 10:31 AM CDT	River Flood Warning	LCH	Jasper, Tyler	11 days
Aug 28, 10:31 AM CDT	River Flood Warning	LCH	Hardin, Jasper	15 days
Aug 28, 2:26 PM CDT	River Flood Warning	LCH	Orange	13 days
Aug 28, 2:30 PM CDT	Tornado Warning	LCH	Jefferson	30 min
Aug 28, 3:14 PM CDT	Tornado Warning	LCH	Jefferson	31 min
Aug 28, 3:42 PM CDT	Tornado Warning	LCH	Hardin, Jefferson	33 min
Aug 28, 4:15 PM CDT	Storm Surge Watch	LCH		51 hr
Aug 28, 5:55 PM CDT	Flash Flood Warning Emergency	LCH	Hardin, Jasper, Jefferson, Newton, Orange	28 hr

Nearby

Flash Flood Warnings in Texas, 2017 Every flash flood warning in 2017

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.