ZCZC NFDTCPAT4 ALL TTAA00 KWNH DDHHMM BULLETIN Tropical Depression Nicholas Advisory Number 16 NWS Weather Prediction Center College Park MD AL142021 1000 PM CDT Wed Sep 15 2021 ...NICHOLAS NEARLY STATIONARY OVER SOUTHERN LOUISIANA... ...FLASH FLOODING REMAINS A POSSIBILITY ACROSS PORTIONS OF THE CENTRAL GULF COAST OVER THE NEXT COUPLE OF DAYS... SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...30.1N 91.9W ABOUT 10 MI...15 KM SE OF LAFAYETTE LOUISIANA ABOUT 90 MI...145 KM SSE OF ALEXANDRIA LOUISIANA MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H PRESENT MOVEMENT...STATIONARY MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES 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. DISCUSSION AND OUTLOOK ---------------------- At 1000 PM CDT (0300 UTC), the center of Tropical Depression Nicholas was located near latitude 30.1 North, longitude 91.9 West. The depression is currently stationary, but is expected to gradually move northward over the next couple of days. Maximum sustained winds are near 30 mph (45 km/h) with a few higher gusts over water. The center of Nicholas may become ill-defined over the next couple of days as it evolves into a post-tropical remnant low with minimal thunderstorm activity near its center. The estimated minimum central pressure is 1006 mb (29.71 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Nicholas is expected to produce additional rainfall amounts of 2 to 5 inches across the central Gulf coast in southeastern Louisiana, southern Mississippi, southern Alabama and the Florida Panhandle through Friday, with isolated storm totals of 8 inches possible. Considerable 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 Tropical Depression 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 NEXT ADVISORY ------------- Next complete advisory at 400 AM CDT. $$ Forecaster Churchill FORECAST POSITIONS AND MAX WINDS INIT 16/0300Z 30.1N 91.9W 25 KT 30 MPH...INLAND 12H 16/1200Z 30.2N 91.8W 20 KT 25 MPH...POST-TROP/REMNT LOW 24H 17/0000Z 30.6N 92.1W 20 KT 25 MPH...POST-TROP/REMNT LOW 36H 17/1200Z 31.4N 92.2W 20 KT 25 MPH...POST-TROP/REMNT LOW 48H 18/0000Z 32.3N 92.4W 20 KT 25 MPH...POST-TROP/REMNT LOW NNNN