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Ernesto Becomes A Powerful Post-Tropical Cyclone Over The North Atlantic

Post-Tropical Cyclone

Tropics Forecast Cone at 12:03 Tuesday Afternoon, August 20th

Location 420 miles ENE of Cape Race Newfoundland
Wind 70 mph
Heading NE at 37 mph
Pressure 29.15
Coordinates 44.7W, 49.0N

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Discussion

At 300 PM GMT (1500 UTC), the center of Post-Tropical Cyclone Ernesto was located near latitude 49.0 North, longitude 44.7 West. The post-tropical cyclone is moving toward the northeast near 37 mph (59 km/h), and an even faster east-northeastward motion is expected during the next day or two.

Maximum sustained winds are near 70 mph (110 km/h) with higher gusts. Some weakening is expected tonight and on Wednesday, and post-tropical Ernesto is forecast to merge with a frontal system and dissipate by late Wednesday.

Tropical-storm-force winds extend outward up to 230 miles (370 km) from the center.

The estimated minimum central pressure is 987 mb (29.15 inches).

Tropics Satellite at 12:04 Tuesday Afternoon, August 20th

Watches and Warnings

There are no coastal watches or warnings in effect.

Tropics Models at 12:04 Tuesday Afternoon, August 20th

Land Hazards

SURF: Swells generated by post-tropical Ernesto are affecting the northeast coast of the United States and Atlantic Canada. The swells and associated life-threatening surf and rip current conditions should gradually subside during the next day or so. Please consult products from your local weather office, and stay out of the water if advised by lifeguards.


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