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Tracking Henri: Storm expected to strengthen to Category 1 Hurricane today

WFXT Boston logo WFXT Boston 8/21/2021 Boston 25 News Staff
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Gov. Charlie Baker is urging residents of Massachusetts to prepare for Tropical Storm Henri as the storm continues on its track toward New England. Impacts from the storm, including strong winds, heavy rain, flooding and power outages, are expected to arrive Saturday night and last into Monday.

As a result of the storm, everyone is advised to avoid unnecessary travel and, for those planning on traveling to Cape Cod or the Islands this weekend, to delay trips. People already in those locations are being advised to leave Saturday or extend travel plans through early next week.

Baker on Friday also activated the Massachusetts National Guard to help with any high-water rescues that may be needed, to help with clearing debris from roadways and for public safety support in impacted communities.

The activation order allows for up to 1,000 guardsmen and will remain in place until the support is no longer needed.

Baker said the storm could cause power outages that could impact anywhere from 100,000 to 300,000 homes, and utility crews are being positioned across the area to assist in restoring power.

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Related Links:

More Henri live updates

Hurricane Watch issued for South Coast, Cape Cod & Islands

Latest weather forecast

Preparations underway on Cape Cod in anticipation of Henri

Communities across MA readying for arrival of Henri

Live Updates for Saturday, August 21

10 a.m.: Sunday’s WooSox game has been canceled due to the storm. Fans can exchange their tickets for any future WooSox game this season at Polar Park, including Saturday afternoon’s game at 4:05 p.m.

9:15 a.m.: The New England Aquarium will be closed on Sunday, August 22 in anticipation of the storm. The area around the Aquarium is notorious for flooding during storms.

8 a.m.: Hurricane Hunters just flew into Tropical Storm Henri. It is forecast to become a hurricane Saturday afternoon and will near New England tomorrow.

7:30 a.m.: Flood Watch issued for central and western MA, CT, RI and Long Island.

5:30 a.m.: Henri remains a Tropical Storm Saturday morning and is expected to become a Category 1 Hurricane by the afternoon, according to Meteorologist Vicki Graf. Multiple advisories are in place including:

-A Tropical Storm Warning for the South Coast, Martha’s Vineyard into southern Rhode Island

-Hurricane Warning for Long Island and southern Connecticut

-Storm Surge Warning for Cape & Islands, as well as South Coast

-Flood Watch across central and western MA, CT, RI and Long Island

Friday, August 20

11:13 p.m.: Henri is again farther west, which is good news for eastern Massachusetts, Cape Cod, Martha’s Vineyard and Nantucket, according to Chief Meteorologist Kevin Lemanowicz.

8 p.m.: Henri is still a Tropical Storm and this does not change the track, in the latest update from Chief Meteorologist Kevin Lemanowicz.

5 p.m.: Henri’s track shifted more westward in the latest update from the Boston 25 Weather Team.

2 p.m.:

1:15 p.m.:

11 a.m.:


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Follow our Boston 25 Meteorologists on Twitter for updates:

Kevin Lemanowicz | Shiri Spear | Jason Brewer | Vicki Graf

Stay Informed:

Utilize MEMA’s real-time power outage viewer to stay informed about current power outages in your community and region, and across the state, including information from utility companies about restoration times.

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Online Resources:

Massachusetts Emergency Management Agency - on Facebook and Twitter


Federal Emergency Management Agency

National Weather Service/Boston

National Weather Service/Albany, NY


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