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000
WTNT34 KNHC 150234
TCPAT4

BULLETIN
Tropical Depression Nicholas Advisory Number 12
NWS National Hurricane Center Miami FL AL142021
1000 PM CDT Tue Sep 14 2021


...NICHOLAS MOVING SLOWLY ACROSS EXTREME SOUTHEASTERN TEXAS...
...LIFE-THREATENING FLASH FLOODS EXPECTED ACROSS PORTIONS OF THE DEEP SOUTH DURING THE NEXT COUPLE OF DAYS...



SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION
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LOCATION...30.0N 94.1W ABOUT 15 MI...20 KM WNW OF PORT ARTHUR TEXAS ABOUT 55 MI...85 KM W OF LAKE CHARLES LOUISIANA MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...ENE OR 60 DEGREES AT 6 MPH...9 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES



WATCHES AND WARNINGS
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There are no coastal watches or warnings in effect.



DISCUSSION AND OUTLOOK
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At 1000 PM CDT (0300 UTC), the center of Tropical Depression Nicholas was located near latitude 30.0 North, longitude 94.1 West. The depression is moving toward the east-northeast near 6 mph (9 km/h). A slow motion toward the east is expected tonight through Wednesday night, followed by a northward drift on Thursday.

Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Continued gradual weakening is expected during the next couple of days, and Nicholas is forecast to degenerate into a remnant low Wednesday night or early Thursday.

The minimum central pressure based on surface observations is 1004 mb (29.65 inches).



HAZARDS AFFECTING LAND
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Key messages for Nicholas can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4, WMO header WTNT44 KNHC and on the web at hurricanes.gov/graphics_at4.shtml?key_messages

RAINFALL: Nicholas is expected to produce additional rainfall amounts of 5 to 10 inches across portions of southern and central Louisiana, southern Mississippi, far southern Alabama, and the western Florida Panhandle through early Friday, with isolated storm totals of 20 inches possible from southern Louisiana to the far western Florida Panhandle. Life-threatening flash flooding impacts, especially in urban areas, are possible across these regions.

Widespread minor to isolated moderate river flooding is expected across portions of the upper Texas Gulf Coast and southern Louisiana and Mississippi.

For the latest rainfall reports and wind gusts associated with Tropical Storm 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

STORM SURGE: Storm surge levels will gradually subside into this evening. For information specific to your area, please see products issued by your local National Weather Service forecast office.

WIND: Wind gusts to tropical-storm force are possible for a few more hours along the Louisiana and upper Texas coasts. These conditions should diminish later tonight and Wednesday morning.

TORNADOES: A tornado or two will be possible tonight through early morning from southeast Louisiana to southwest Alabama.

SURF: Swells generated by Nicholas will continue affecting portions of the northwest Gulf coast this evening and gradually subside tonight. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office.



NEXT ADVISORY
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This is the last public advisory issued by the National Hurricane Center on this system. Future information on this system can be found in Public Advisories issued by the Weather Prediction Center beginning at 4 AM CDT, under AWIPS header TCPAT4, WMO header WTNT34 KWNH, and on the web at http://www.wpc.ncep.noaa.gov.

$$ Forecaster Beven

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