Erin to bypass eastern US, strike Canada with rain, gusty winds by late week
While minimal impacts will occur along the U.S. East coast from Tropical Rainstorm Erin, the same cannot be promised for parts of southeastern Canada into the end of the week.
The tropical feature AccuWeather meteorologists were tracking for several days across the southeastern United States became Tropical Depression Six across the open waters of the western Atlantic Ocean on Monday.
Further strengthening to Tropical Storm Erin occurred Tuesday evening before losing wind strength and becoming a tropical depression again Wednesday morning. Erin has since lost its wind characteristics, but remains as a tropical rainstorm.
A non-tropical storm system that swept across the Northeast on Wednesday is pushing Erin to the north-northeast away from the United States.
However, some of Erin's moisture was pulled northward across New England late Wednesday and Wednesday night.
These downpours will wind down early Thursday. However, rough surf will continue to pound the New England coast on Thursday.
Erin is forecast to approach the Maritime Provinces of Canada, as well as Newfoundland during Thursday and Friday.
Rainfall amounts can average 0.50 to 1.50 inches (12-38 mm) from Nova Scotia to Prince Edward Island and Newfoundland, with locally higher amounts. In addition to rain, wind gusts can approach 50 mph (80 km/h), especially along coastal locations and in the higher elevations.
The combination of rain and wind can lead to minor delays on the road and in the air from Halifax, Nova Scotia, to Charlottetown, Prince Edward Island and Stephenville, Newfoundland.
This image, taken on Thursday, August 29, 2019, shows clouds from Erin embedded in a swath of tropical moisture and a non-tropical storm off the U.S. Atlantic coast. (NOAA/GOES-East)
With the fast movement of Erin, impacts will be limited to 24 hours or less in most locations.
"By Friday night, any rain or wind from this system will come to an end as it moves eastward over the open waters of the North Atlantic," AccuWeather Meteorologist Ryan Adamson said.
Because no widespread flooding or property damage is expected across Canada or the U.S., this system has been designated a <1 on the AccuWeather RealImpact™ Scale for Hurricanes.
This system will depart in time for a generally dry Labor Day weekend from New England to southeastern Canada. The same cannot be said for the southeastern United States, with Dorian expected to threaten this weekend.
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