Nicholas’ leftovers continue dumping heavy rain on coastal South

The leftovers of Nicholas are seen in Louisiana on Sept. 17, 2021.

(NOAA)

The remnants of Hurricane Nicholas will continue to plague parts of the South with heavy rain Friday.

Nicholas made landfall Tuesday in Texas as a Category 1 hurricane with 75 mph winds. As of Friday morning, it was a post-tropical low-pressure system that was meandering in Louisiana.

The Weather Prediction Center has issued a slight risk of excessive rainfall for a large swath of the northern Gulf Coast, from Louisiana to the Florida Panhandle.

The excessive rainfall outlook for Sept. 17, 2021.

(WPC/NOAA)

Forecasters said an additional 2 to 4 inches of rain is possible Friday in areas already hard hit by heavy rain.

Rainfall forecast for Nicholas on Sept. 17, 2021.

(WPC/NOAA)

Flash flood watches have been issued from Louisiana to Florida, affecting about 4.7 million people.

Flash flood watches have been issued from Louisiana to Florida on Sept. 17, 2021.

(FOX Weather)

More than a foot of rain is estimated to have fallen during the past three days in places such as Alexandria and New Orleans in Louisiana and Mobile in Alabama. Radar estimates also showed a large area of 6 to 10 inches of rainfall that had fallen during the past three days from Louisiana to Florida.

Radar estimated rainfall for the past three days shows pockets where more than a foot of rain has fallen (blue) as of Sept. 17. 2021.

(NWS/NOAA)

The forecast calls for Nicholas to produce another 2 inches of rain Saturday across the northern Gulf Coast, before the moisture gets pulled north along a front.