Alert archive / Texas / Flash Flood Warnings in 2017
Flash Flood Warning 75, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Aug 29, 2017, 10:21 AM CDT for Jasper County, Tyler County, Texas. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 29, 2017, 10:21 AM CDT (15:21 UTC)
- Expired
- Aug 29, 2017, 10:15 PM CDT
- In force
- 12 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Jasper County, TX, Tyler County, TX
The radar
The Ft Polk radar (KPOE), 134 km from the middle of the area, began a volume at 15:20 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.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 3.4 hours before the alert went out and 141 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.
- Mixed-layer CAPE
- 294 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 539 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 363 m²/s²
- 0-3 km storm-relative helicity
- 449 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 6.7
The text
As transmitted.
407
WGUS54 KLCH 291521
FFWLCH
TXC241-457-292115-
/O.NEW.KLCH.FF.W.0075.170829T1521Z-170829T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
1021 AM CDT TUE AUG 29 2017
The National Weather Service in Lake Charles has issued a
* Flash Flood Warning for...
Tyler County in southeastern Texas...
Northern Jasper County in southeastern Texas...
* Until 415 PM CDT
* At 1020 AM CDT, Doppler radar indicated heavy rain across the
warned area. Up to two inches of rain have already fallen. Flash
flooding is expected to begin shortly.
* Some locations that will experience flooding include...
Jasper, Woodville, Kirbyville, Colmesneil, Chester, Ebenezer, Fred,
Rockland, Warren, Town Bluff, Magnolia Springs, Mt. Union, Spurger,
Roganville, Ivanhoe, Hillister and Sam Rayburn Dam.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3106 9456 3105 9449 3103 9447 3110 9414
3078 9387 3052 9389 3053 9454 3101 9466
$$
Tingler1 follow-up statement
069
WGUS54 KLCH 292057
FFWLCH
TXC241-457-300315-
/O.EXT.KLCH.FF.W.0075.000000T0000Z-170830T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
357 PM CDT TUE AUG 29 2017
The National Weather Service in Lake Charles has extended the
* Flash Flood Warning for...
Tyler County in southeastern Texas...
Northern Jasper County in southeastern Texas...
* Until 1015 PM CDT Tuesday
* At 356 PM CDT, Doppler radar indicated heavy rain across the warned
area. Up to two inches of rain have already fallen. Flash flooding
is already occurring.
* Some locations that will experience flooding include...
Jasper, Woodville, Kirbyville, Colmesneil, Chester, Ebenezer, Fred,
Rockland, Warren, Town Bluff, Magnolia Springs, Mt. Union, Spurger,
Roganville, Ivanhoe, Hillister and Sam Rayburn Dam.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3106 9456 3105 9449 3103 9447 3110 9414
3078 9387 3052 9389 3053 9454 3101 9466
$$
TinglerThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 3:24 AM CDT | Tornado Warning | LCH | Jefferson | 19 min |
Nearby
Flash Flood Warnings in Texas, 2017Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.