Alert archive / Texas / Flash Flood Warnings in 2018
Flash Flood Warning 9, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Feb 21, 2018, 1:37 PM CST for Hardin County, Jasper County, Tyler County, Texas. It was in force for 4 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
- Feb 21, 2018, 1:37 PM CST (19:37 UTC)
- Expired
- Feb 21, 2018, 5:30 PM CST
- In force
- 4 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Hardin County, TX, Jasper County, TX, Tyler County, TX
The radar
The Lake Charles radar (KLCH), 123 km from the middle of the area, began a volume at 19:37 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 |
|---|---|---|---|
| Feb 21, 3:19 PM CST | FLASH FLOOD | Honey Island, TX | WATER OVER FM 1003 IN SEVERAL LOCATIONS |
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, 7.6 hours before the alert went out and 124 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
- 1458 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 474 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 203 m²/s²
- 0-3 km storm-relative helicity
- 188 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 10.0
The text
As transmitted.
866
WGUS54 KLCH 211937
FFWLCH
TXC199-241-457-212330-
/O.NEW.KLCH.FF.W.0009.180221T1937Z-180221T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
137 PM CST WED FEB 21 2018
The National Weather Service in Lake Charles has issued a
* Flash Flood Warning for...
Central Tyler County in southeastern Texas...
Central Hardin County in southeastern Texas...
Northwestern Jasper County in southeastern Texas...
* Until 530 PM CST
* At 134 PM CST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Two to four inches of rain have
fallen. Flash flooding is expected to begin shortly or is already
ongoing.
* Some locations that will experience flooding include...
Woodville, Kountze, Sour Lake, Colmesneil, Saratoga, Ebenezer,
Rockland, Wildwood, Warren, Town Bluff, Browndell, Honey Island,
Spurger, Village Mills, Ivanhoe, Sam Rayburn Dam and Hillister.
Additional rainfall amounts of one to three inches are possible in
the warned aream, especially in Tyler and Northern Jasper counties.
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 3104 9440 3111 9406 3114 9404 3115 9398
3013 9438 3011 9449 3011 9456
$$The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 6:51 AM CST | Special Weather Statement | LCH | Hardin, Jasper | 39 min |
| Feb 21, 8:49 AM CST | Areal Flood Advisory | LCH | Hardin, Jasper, Newton, Orange, Tyler | 4 hr |
| Feb 21, 9:46 AM CST | Flash Flood Warning | LCH | Hardin, Jasper, Newton | 5 hr |
| Feb 21, 10:23 AM CST | River Flood Warning | LCH | Hardin, Jefferson | 6 days |
| Feb 21, 10:37 AM CST | Wind Advisory | LCH | 7 hr | |
| Feb 21, 11:28 AM CST | Flash Flood Watch | LCH | Hardin, Jasper, Newton, Tyler | 31 hr |
| Feb 21, 11:43 AM CST | Areal Flood Advisory | LCH | Hardin, Jasper, Tyler | 3 hr |
| Feb 21, 2:19 PM CST | River Flood Warning | LCH | Newton, Orange | 69 days |
| Feb 21, 2:46 PM CST | Flash Flood Warning | LCH | Newton | 5 hr |
| Feb 21, 5:29 PM CST | Flash Flood Warning | LCH | Hardin, Jasper, Tyler | 3 hr |
Nearby
Flash Flood Warnings in Texas, 2018Every flash flood warning in 2018
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.