Articles by Vince Agard
October 18, 2013
A mostly sunny, seasonable weekend is in store after two consecutive days of above-average temperatures. Yesterday’s high temperature at MIT was 73°F, well above the mean value of 61°F normally recorded at nearby Logan Airport. Likewise, southerly winds will keep a warm, moist air mass in place early this morning, allowing temperatures to approach the 70-degree mark for the second day in a row. This time, however, a cold front will pass through the area during the morning hours, resulting in increased windiness, a drop in humidity, and the arrival of cooler air from our north and west. That cooler air mass will continue to move in over the next couple of days, creating the a more seasonable weather pattern, with highs near 60°F and lows around 45°F by the beginning of next week.
September 24, 2013
The Institute will once again experience a string of sunny days this week, with light winds and seasonable temperatures. This weather pattern will be quite similar to that of last week, in which a high pressure system was situated over New England for a majority of the week. Last week’s high pressure system resulted in sunshine from Tuesday through Saturday, before a cold front came through on Saturday night. Likewise, that cold front has ushered in a new high pressure system, which is expected to remain in place through the weekend and potentially into next week. The result will be clear skies, with temperatures reaching the upper 60s (°F) in the afternoon, and falling into the low-to-mid 50s (°F) overnight.
September 17, 2013
The cold front that brought yesterday’s morning showers has departed to our east, and in its wake has come a strong high pressure system that will take control of our weather for the remainder of the week. This broad anticyclone is poised to remain over the Northeastern United States at least through Friday, resulting in calm, clear weather throughout the region. Sunshine is in store for each of the next few days, and relatively light winds will make the seasonable fall temperatures particularly enjoyable.
September 3, 2013
This weekend’s stretch of humid, stormy weather will give way to a more settled pattern just in time for the start of the fall semester on Wednesday.
August 27, 2013
A series of disturbances will move across southern New England this week, creating an unstable weather pattern for the week of Orientation. Periods of sunshine and warmth will be punctuated by showers and thunderstorms. While no particular day is expected to be rain-out, the chance for occasional showers will persist through Thursday. The most likely times for precipitation will be this morning, Wednesday night, and Thursday afternoon, although there may be a slight chance of showers outside of these times as well.
August 23, 2013
The cold front that passed through our region yesterday has ushered in a high pressure system that will dominate our weather for the next few days. With the high pressure in control, we can expect clear skies, sunshine, and calm winds for the entire weekend. The substantial westerly winds that brought temperatures in the upper 80s °F to Boston earlier this week will now be absent, allowing for the development of a sea breeze. With sea surface temperatures near 70°F in Massachusetts Bay, the sea breeze will work to cool off the Institute, keeping afternoon temperatures around or below 80°F each day. This pattern is expected to continue at least until Monday night, when the next frontal system will begin to approach from the west.
August 7, 2013
The beginning of this week has seen a welcome respite from the scorching heat that has been recurrent during the first part of this summer season. While there were nine days with high temperatures of 90°F or higher in July, the temperature has struggled to breach 80°F so far this August. In fact, on Tuesday morning, the temperature in Boston dipped below 60°F for the first time since summer began— a streak of 47 days in total.
July 3, 2013
A broad high pressure system located off the East Coast has brought warm, moist conditions to much of the Eastern United States for the past few days. The southwesterly flow associated with this system has created a train of showers and thunderstorms stretching from the Gulf of Mexico to New England. Here at the Institute, this has resulted in a pattern of hot, partly cloudy days punctuated by the occasional passing shower or thunderstorm. Fortunately for those who like this kind of weather, the strong Atlantic high pressure system is expected to persist for the foreseeable future, meaning the pattern of heat and storms will continue at least through the beginning of next week.
June 14, 2013
A Nor’easter, the type of weather system that usually brings snowstorms to New England in the wintertime, will make a rare June appearance today, creating breezy conditions and drenching rain. This is the same storm system that brought severe weather, including a large complex of thunderstorms known as a derecho, to the Midwest on Wednesday evening. Having moved through the Mid-Atlantic states on Thursday, the storm system moved offshore overnight and underwent a process called cyclogenesis, forming a strong low pressure center. That low will move northeastward (hence the name) past the tip of Cape Cod today, bringing the aforementioned rain and wind to our area.
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May 3, 2013
A rare May snowstorm swept through the center of the United States on Wednesday and Thursday, with six to twelve inches of snow falling in a band reaching from Kansas through Minnesota. The unseasonable precipitation was the product of an unusually deep upper-level trough combined with a very strong cold front stationed across the continent. The storm broke several records for snowfall and low temperatures in the month of May across the affected states.