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Frequent changes in the weather this week

Posted by David Epstein  July 8, 2013 09:32 PM

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A moderate sea breeze provided some big relief to temperatures this afternoon and assured the end of the heat wave. Temperatures in Boston fell from the 80s back to the lower 70s as the air took on a refreshing quality. Inland areas down to Providence continued to swelter under 90°F heat. The weather for the week looks to be unsettled and contain many questions about temperature, humidity and extent of precipitation.

I'll be updating the details of the weather on Twitter at @growingwisdom Please follow me there. Feel free to comment or ask questions too.

For this evening, showers and thunderstorms will continue to be scattered across the region. Some of these storms will contain strong gusty winds and torrential rains. In these patterns not everyone sees the same weather so don’t cancel outdoor plans, but have a backup. After 10 PM things quiet down and the chance for rain is quite low. There is a flash flood watch up for the areas in green until midnight. I think if we are going to see any street and small stream flooding we will know that by dark.

Tomorrow, we do it all over again with the driest part of the day in the morning and more showers and storms firing up in the afternoon. Some of these storms could contain very heavy rain and lightning, but again, many of you won’t see anything at all.
More of the same for Wednesday when there is a slightly higher risk of storms. Humidity levels, which have fallen a bit, will rise on Wednesday and make for a very sticky day.

More questions come into play at the end of the week. It appears there will be a period of wet weather that leads to more hot and humid weather similar to what we just endured. A moisture feed will set up south to north in the Thursday/Friday timeframe. Like what we saw to start the month, the exact placement of the feed will determine who gets rain and who doesn’t. Eventually, later this weekend the plume will be pushed west and we will have another possible heat wave.

As the feed of moisture establishes itself we will have to watch to see if the remnants of Chantal, now a tropical storm, get pulled up the coastline and into New England. If that happens, that could mean some serious amounts of rain late this week or over the weekend. Alternatively, we might have a day of dry weather Friday followed by a nice warm and dry weekend as the deep moisture doesn’t make into the area.

I dislike summer patterns such as this as they are so difficult to nail down a clear cut forecast. This summer, the humidity seems to be relentless and much worse than usual. Often, even in southern New England, we get a few days of dry weather between each bought of heat and humidity. This year, the breaks in the oppressive tropical feeling air have yet to materialize for very long. I’ll have many more details about the weekend forecast tomorrow and of course deeper into the work week.
Gardening this week
Are you growing tomatoes this year? If you haven't gotten a tomato plant yet there is actually still time, you might not have tomatoes until late August or early September, but you can still plant. This week, I have a video about my rescue of a tomato plant and how to grow them in containers.

I'll be updating the details of the weather on Twitter at @growingwisdom Please follow me there. Feel free to comment or ask questions too.

This blog is not written or edited by Boston.com or the Boston Globe.
The author is solely responsible for the content.

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About the author

David Epstein has been a professional meteorologist and horticulturalist for three decades. David spent 16 years at WCVB in Boston and currently freelances for WGME in Portland, ME. In 2006, More »
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