Nicholas expected to bring heavy rain, flood risk to area
Published 2:02 pm Tuesday, September 14, 2021
- A projected model shows much of Washington Parish under a “moderate” risk of flash flooding over the next three days, as Tropical Storm Nicholas travels across land (Courtesy graphic by National Weather Service).
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Tropical Storm Nicholas is expected to bring heavy rain to Washington Parish over the next several days, according to forecasts from the National Weather Service.
A flash flood watch for the parish was issued Tuesday at 7 a.m. and will remain in effect through Thursday morning.
According to the NWS, widespread rainfall of four to six inches is expected north of the Interstate 10/12 corridor, and five to 10 inches south of the corridor. Isolated higher amounts are also possible.
NWS officials said that rainfall rates would be “efficient, producing very heavy rainfall over short periods which could quickly lead to drainage problems.”
As of Tuesday afternoon, the heaviest rainfall was forecast to occur from Tuesday through Wednesday.
The NWS forecast for Bogalusa was as follows:
- Wednesday during the day — Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 81. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100 percent. New rainfall amounts between 1 and 2 inches possible.
- Wednesday night — Showers and thunderstorms likely before 10 p.m., then showers likely and possibly a thunderstorm between 10 p.m. and 1 a.m., then a chance of showers and thunderstorms after 1 a.m. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 70. Northeast wind 5 to 10 mph becoming light east after midnight. Chance of precipitation is 60 percent.
- Thursday during the day — Showers and possibly a thunderstorm. High near 83. Calm wind becoming southeast around 5 mph in the morning. Chance of precipitation is 80 percent.
- Thursday night — A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm.
- Friday during the day — Showers and possibly a thunderstorm. High near 84. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 80 percent.
- Friday night — A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30 percent.
