Alert archive / Texas / Flash Flood Watches in 2018
Flash Flood Watch 5, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood watch at Jun 19, 2018, 3:40 AM CDT for Cameron Parish, Louisiana; Jasper County, Newton County, Texas. It took effect at Jun 19, 2018, 4:00 AM CDT. It was in force for 57 hr.
The area
The counties it named.
The facts
- Issued
- Jun 19, 2018, 3:40 AM CDT (08:40 UTC)
- In effect from
- Jun 19, 2018, 4:00 AM CDT
- Expired
- Jun 21, 2018, 1:00 PM CDT
- In force
- 57 hr
- Issued by
- NWS Lake Charles, LA
- Flood severity
- None
Counties Cameron Parish, LA, Jasper County, TX, Newton County, TX
The radar
The Lake Charles radar (KLCH), 56 km from the middle of the area, began a volume at 08:43 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 00:00Z, 8.7 hours before the alert went out and 58 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
- 27 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 912 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Lake Charles, LA wrote its last area forecast discussion before this flash flood watch went out at Jun 18, 10:38 PM CDT, 5 hours 2 minutes earlier.
Area forecast discussion, Jun 18, 10:38 PM CDT, 5 hours 2 minutes before
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</html>Hazardous weather outlook, Jun 18, 4:48 PM CDT, 10 hours 52 minutes before
Hazardous Weather Outlook National Weather Service Lake Charles LA 448 PM CDT Mon Jun 18 2018 LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262- 192200- Vernon-Rapides-Avoyelles-Beauregard-Allen-Evangeline-St. Landry- Calcasieu-Jefferson Davis-Acadia-Lafayette-Upper St. Martin- Vermilion-Iberia-St. Mary-Lower St. Martin-West Cameron- East Cameron-Tyler-Hardin-Jefferson-Orange-Northern Jasper- Northern Newton-Southern Jasper-Southern Newton- 448 PM CDT Mon Jun 18 2018 This Hazardous Weather Outlook is for portions of central Louisiana, south central Louisiana, southwest Louisiana, west central Louisiana, and southeast Texas. .DAY ONE...Tonight Showers and a few thunderstorms associated with an area of disturbed weather over the western Gulf of Mexico will continue to develop and spread inland into tonight. Some locally heavy rainfall will be possible, especially south of the I-10 corridor in southwest Louisiana and southeast Texas. Rainfall rates of 1 to 2 inches per hour may lead to some minor street flooding in poor drainage urban areas. Wind gusts with the showers could approach 35 mph. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Tropical-like moisture will continue over the region, especially coastal southwest Louisiana and southeast Texas, leading to high rain chances and the possibility of locally heavy rainfall again Tuesday. Additional rainfall across lower southwest Louisiana and southeast Texas will be 1 to 2 inches, with locally higher amounts. The remainder of the forecast area will see rainfall amounts less than 1 inch. Minor street flooding will be possible where the heavy rainfall amounts occur. Wind gusts to 30 mph and occasional cloud to ground lightning will also be possible with the storms. Rain chances will gradually decrease toward the middle and latter part of the week. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. GMZ430-432-435-450-452-455-470-472-475-192200- Sabine Lake-Calcasieu Lake-Vermilion Bay- Coastal waters from Cameron LA to High Island TX out 20 NM- Coastal waters from Intracoastal City to Cameron LA out 20 NM- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- Waters from Cameron LA to High Island TX from 20 to 60 NM- Waters from Intracoastal City to Cameron LA from 20 to 60 NM- Waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 448 PM CDT Mon Jun 18 2018 This Hazardous Weather Outlook is for portions of Gulf of Mexico. .DAY ONE...Tonight The interaction between a tropical wave over the western Gulf of Mexico and high pressure over the southeast US will keep an elevated onshore flow and high seas in place. Some wind gusts in the numerous showers could be greater than gale force. Tides along the coast will be around 1 foot above the astronomical predicted levels. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Conditions will begin to improve on Tuesday as the tropical wave moves further into the Texas coast, lessening the pressure gradient. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed.
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 7:23 AM CDT | Flash Flood Warning | LCH | Cameron | 4 hr |
| Jun 19, 10:31 AM CDT | Small Craft Advisory | LCH | 20 hr | |
| Jun 19, 12:59 PM CDT | Tornado Warning | LCH | Calcasieu | 31 min |
| Jun 19, 4:38 AM CDT | Flash Flood Warning | LCH | Jefferson, Orange | 3 hr |
| Jun 19, 7:03 AM CDT | Areal Flood Advisory | LCH | Hardin, Jasper | 117 min |
| Jun 19, 9:11 AM CDT | Flash Flood Warning | LCH | Hardin, Jasper, Orange, Tyler | 2 hr |
| Jun 19, 11:14 AM CDT | Flash Flood Warning | LCH | Hardin, Jasper, Jefferson, Orange, Tyler | 2 hr |
| Jun 19, 1:19 PM CDT | Flash Flood Warning | LCH | Hardin, Jasper, Jefferson, Orange, Tyler | 6 hr |
Nearby
Flash Flood Watches in Texas, 2018Flash Flood Watches in Louisiana, 2018Every flash flood watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.