Forecast discussion: So far, Boston, and the rest of Massachusetts, is holding up pretty well, as Hurricane Sandy reached maximum sustained winds of 90 mph earlier Monday afternoon. But, problems are beginning to arise, especially along the shorelines.
Due to the east and southeast winds, the biggest problem facing the state right now will be coastal flooding. Right now, heavy waves that have been created out in the Atlantic are beginning to reach the shorelines. There has already been some street flooding along Narragansett Bay and Newport in Rhode Island, and we are awaiting an astronomical high tide at about 8:25 PM. Due to these conditions, storm surges will create another 5-8 feet of possible flooding. Along with the surge, waves of 10-15 feet are also hitting the coastline. A Coastal Flood Warning will continue for the shorelines until 1 PM Tuesday afternoon. Also, a High Wind Warning will remain in effect until 6 AM Tuesday morning.
For Massachusetts, Winds were quite strong during the afternoon. As of 7:30 PM, a total of 400,000 people are without power in the entire state. National Grid had the most customers, with about 183,000 people, followed by NSTAR with about 153,000 people. Wind gusts reached 60 mph at Logan Airport earlier this afternoon. However, winds will still reach 35-40 mph as of this writing, with wind gusts near 55 mph. Wave heights just 16 nautical miles offshore of Boston have reached 20 feet. So, towns and houses along the shores will continue to see flooding and damage through the evening. If you want so view the latest school and business closings in the Boston area, click here.
As of 5 PM EDT, Post Tropical Cyclone Sandy was centered at 38.8N 74.4W, or about 30 miles east-southeast of Cape May, New Jersey. Maximum sustained winds were at 90 mph, and it was moving west-northwest at 28 mph. Based on the latest satellite imagery, it appears the center has made landfall. Last night, it appeared that the center would not make landfall until about 2 AM Tuesday morning. This may have helped conditions up in New England.
As we go into tonight, there will still be occasional rain bands moving over the state, with winds still near gale force, with tropical storm force wind gusts. I would not be surprised if you heard a rumble of thunder, but the chances of a thunderstorm are low. The winds will continue to slowly decrease, as the pressure gradient continues to weaken. Also, precipitation will be tapering off, as satellite and radar imagery shows lighter precipitation on the eastern side of the system. Winds will become weaker by tomorrow night, although we will still have some scattered showers from time to time. High pressure will eventually take the remnants of Sandy into Canada, and we should see some sunshine by Friday. The weekend looks nice, but cooler, as we begin to feel seasonable temperatures.
By Wednesday, some isolated showers will remain around Southern New England for our ghouls and goblins, as they get ready to go trick-or-treating. By Thursday, warmer air will begin to move eastward, as cooler air begins to move over the Northeast. In fact, temperatures during Saturday and Sunday night will fall into the middle 30’s.
72 hour forecast:
Tonight: Windy with periods of rain bands and patchy fog with a low of 59. Winds will come from the southeast at 25-32 mph with occasional gusts of 55 mph.
Tuesday: Scattered showers with winds decreasing through the day with a high of 69. Winds will come from the southeast at 15-22 mph with occasional gusts of 35 mph.
Tuesday night: Scattered showers with a low of 55. Winds will come from the southeast at 9-12 mph.
Halloween: Scattered showers with a high of 63.
Halloween night: Isolated showers with a low of 49.
Thursday: Some isolated showers early, otherwise mostly cloudy and a high of 56.
Thursday night: Mostly cloudy with a low of 44.
Friday: Partly to mostly sunny. Highs 53-56, lows 40-43.
Saturday: Mostly sunny. Highs 53-56, lows 39-42.
Sunday: Mostly sunny. Highs 52-55, lows 35-38.
Monday: Becoming cloudy with scattered showers by the evening. Highs 49-52, lows 41-44.