Melissa Becomes A Powerful Post-Tropical Cyclone Over The Northwest Atlantic

Discussion

At 1100 AM AST (1500 UTC), the center of Post-Tropical Cyclone Melissa was located near latitude 39.0 North, longitude 60.5 West. The post-tropical cyclone is moving toward the northeast near 48 mph (78 km/h). This general motion is expected to continue into Saturday, followed by a gradual slowdown and turn toward the east-northeast later this weekend. On the forecast track, the center of Melissa is expected to pass to the southeast of the Avalon Peninsula of Newfoundland as a post-tropical cyclone tonight.

Maximum sustained winds have decreased to near 85 mph (140 km/h) with higher gusts. Gradual weakening is forecast during the next few days.

Hurricane-force winds extend outward up to 105 miles (165 km) from the center and tropical-storm-force winds extend outward up to 275 miles (445 km).

The estimated minimum central pressure is 973 mb (28.74 inches).

Watches and Warnings

CHANGES WITH THIS ADVISORY:

None.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

None.

A brief period of heavy rain and gusty winds is possible over the southern Avalon Peninsula of Newfoundland tonight. For more information on impacts in Canada, see the Canadian Hurricane Center website at https://weather.gc.ca/hurricane/index_e.html

Land Hazards

Key messages for Melissa can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT3 and WMO header WTNT43 KNHC.

WIND: Gusty winds are possible over the southern Avalon Peninsula of Newfoundland tonight.

RAINFALL: A brief period of heavy rain is possible over the southern Avalon Peninsula of Newfoundland tonight.

SURF: Swells generated by Melissa will continue to affect portions of the Bahamas, the Turks and Caicos Islands, Bermuda, the Northeastern United States coast and portions of Atlantic Canada during the next couple of days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office.