Articles by Angela Zalucha
September 19, 2008
September continues to live up to its expectation of being a month of calm, pleasant weather (don’t worry skiers, it’s only three months until snow). The next seven days look to be filled with sunshine, except for a few clouds here and there. High temperatures Sunday will be in the mid 70s, but otherwise highs will be in the low to mid 60s through the beginning of next week. Tropical activity in the North Atlantic is quiet for the moment, though we may see the development of a storm off the coast of Africa or in the Caribbean early next week.
August 27, 2008
You may have heard in the news about the Mars Phoenix Lander, currently taking soil samples near the Martian north pole. A somewhat less publicized fact is the temperature data being taken by its weather sensor. At the lander site, yesterday’s high temperature was -17°F (-27°C) while the low temperature was -117°F (-83°C). And this is in the middle of summer! It is estimated that the record maximum temperature on Mars, say, on the hottest summer day at the equator, would be around 70°F (21°C). The coldest day at the winter pole can only fall to the carbon dioxide frost temperature of -190°F (-123°C), since then Mars’ carbon dioxide atmosphere begins to sublimate. No equivalent exists on Earth, since it never gets cold enough for our predominately nitrogen atmosphere to freeze out. At least there’s no rain, but you might get stuck in a dust storm that can last for several months!
August 8, 2008
Those without air conditioning may rejoice — high temperatures for this weekend and next week look to remain near or below the average high of 80°F for this time of year. Today, the wind continues to blow from the east, bringing cold air from above the ocean. Temperatures will top out in the low 70s, accompanied by clouds and a chance for more thunderstorms. Saturday looks to be quite pleasant, as winds change to westerly and we get the warmer inland air. We should finally get some sunshine, as well as lower dew points (the dew point is a measure of the absolute moisture content of the air). The chance for thunderstorms returns Sunday night, with a chance of showers each day next week.
April 15, 2008
This week, an area of high pressure will dominate the eastern third of the country. This high pressure region is forecasted to move very slowly from west to east, which means we will see an extended period of dry weather. A low pressure system that might graze us Thursday night is the only chance we have for rain through Friday. Today will be sunny with perhaps a few fair weather cumulus clouds. Even though the sun will be shining, the wind will blow in cold air out of the north. On Wednesday and Thursday, the winds shift and come from the west, which will result in temperatures in the low to mid 60s. Evenings will still be chilly, since the lack of cloud cover lets thermal radiation escape easily into space.
March 4, 2008
An intensifying low pressure system moving into our area from the Ohio Valley will bring numerous rain showers, possibly heavy at times, Tuesday afternoon through Wednesday afternoon. The storm center is predicted to track to our west, which means we will experience relatively warm air.
January 16, 2008
Monday’s snow storm brought seven inches of snow to Boston, which also happened to tie the record maximum snowfall for that date set in 1982. The city was lucky, since some numerical weather forecast models were predicting as much as 14 inches. An unusual event that occurred briefly with this storm was a report of thunder early Monday morning. Thunder and snow do not usually happen at the same time.
December 11, 2007
This month Mother Nature has provided us with the full range of winter precipitation, including snow, rain, sleet, and freezing rain. And she’s not done yet. Another weak round of wintry mixed precipitation is expected Tuesday night, followed by a more intense storm Thursday night. High temperatures for the rest of the work week will be in the mid-30s to mid-40s, with lows in the mid-20s to mid-30s.
October 30, 2007
As the Boston Red Sox return home for their victory parade today, nature will treat them to a beautifully sunny sky and relatively mild October temperatures. Expect a high around 60°F (16°C) today and an even warmer 65°F (18°C) tomorrow. Make sure your Halloween costume is well attached tomorrow evening as it could get rather windy. Look for a chance of a sprinkle on Thursday with a high of 61°F (16°C). Night-time temperatures, as you may have noticed, are beginning to get on the chilly side, so if you plan to be out late a coat and perhaps some gloves or a hat might be a good idea.
October 5, 2007
Boston continues to be treated to unseasonably warm autumn temperatures. In fact, yesterday’s high temperature of 86°F (30°C) at Logan Airport (where official weather measurements for Boston are taken) exceeded the previous record high of 85°F (29°C) set in 1983. The average high temperature for the first week of October is 66°F (19°C). Our warm trend will continue with pleasantly warm temperatures Friday and Saturday. A weak cold front will move through the region on Saturday night, bringing cooler temperatures and a slight chance of showers. No heavy rain is expected at least through the beginning of next week. In terms of precipitation, Boston has been on the dry side the past month, with September seeing only half of its normally measured rainfall.
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August 28, 2007
Wind is an important parameter in determining the weather. Not only is the wind strength a factor (as it turns out, Boston is the windiest major city in America), but so is the wind direction. As you might expect, when the wind blows from the north or south, the temperature becomes colder or warmer, respectively.