Alert archive / Texas / Flash Flood Watches in 2019
Flash Flood Watch 4, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood watch at May 3, 2019, 3:30 PM CDT for Beauregard Parish, Cameron Parish, Louisiana; 4 counties in Texas. It took effect at May 4, 2019, 1:00 AM CDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- May 3, 2019, 3:30 PM CDT (20:30 UTC)
- In effect from
- May 4, 2019, 1:00 AM CDT
- Expired
- May 4, 2019, 6:33 AM CDT
- In force
- 6 hr
- Issued by
- NWS Lake Charles, LA
- Flood severity
- None
Counties Beauregard Parish, LA, Cameron Parish, LA, Hardin County, TX, Jasper County, TX, Newton County, TX, Tyler County, TX
The radar
The Lake Charles radar (KLCH), 75 km from the middle of the area, began a volume at 20:32 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, 8.5 hours before the alert went out and 76 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
- 859 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 745 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- -14 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
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 May 3, 12:59 PM CDT, 2 hours 31 minutes earlier.
Area forecast discussion, May 3, 12:59 PM CDT, 2 hours 31 minutes before
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</html>Hazardous weather outlook, May 3, 4:59 AM CDT, 10 hours 31 minutes before
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Flash Flood Watches in Texas, 2019Flash Flood Watches in Louisiana, 2019Every flash flood watch in 2019
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.