Post-Tropical Cyclone Nicholas Near Louisiana Coast

Post-Tropical Cyclone

Tropics Forecast Cone at 4:05 Thursday Afternoon, September 16th
Tropics Forecast Cone at 4:05 Thursday Afternoon, September 16th

Location 95 miles S of Alexandria Louisiana
Wind 25 mph
Heading NNE at 5 mph
Pressure 29.8
Coordinates 92.5W, 29.9N

Discussion

At 400 PM CDT (2100 UTC), Post-Tropical Cyclone Nicholas was located near latitude 29.9 North, longitude 92.5 West. The low center was moving toward the north-northeast near 5 mph (7 km/h) and this motion is expected to continue through Friday.

Maximum sustained winds are near 25 mph (35 km/h) with higher gusts.

Continued gradual weakening is forecast during the next 48 hours with the low center eventually dissipating.

The estimated minimum central pressure is 1009 mb (29.80 inches).

Tropics Satellite at 7:01 Thursday Evening, September 16th

Watches and Warnings

Flash Flood Watches are in effect along the central Gulf Coast from portions of southeast Louisiana, across southern Mississippi and Alabama, to the Florida Panhandle.

Tropics Models at 3:55 Thursday Afternoon, September 16th

Land Hazards

RAINFALL: Nicholas is expected to produce additional rainfall of 2 to 4 inches across the central Gulf coast through the end of the week, with isolated amounts of 6 inches possible. Flash flooding impacts, especially in urban areas, are possible across these regions.

Widespread minor river flooding is expected, while scattered moderate river flooding is possible, across portions of southeastern Louisiana, southern Mississippi, southern Alabama, and the Florida Panhandle.

For the latest rainfall reports and wind gusts associated with Post Tropical Cyclone Nicholas see the companion storm summary at WBCSCCNS4 with the WMO header ACUS44KWBC or at the following link:

Https://www.wpc.ncep.noaa.gov/discussions/nfdscc4.html