Articles by Allison A. Wing
July 9, 2014
The hot and humid weather of the last several days will continue today, with a chance of thunderstorms today. Thunderstorms are a common summertime occurrence, but it is important to take the treat of severe weather carefully. On Monday afternoon, a mesocyclone passed just north of MIT, and had a tornado warning associated with it. Although no actual tornadoes were reported, there was a confirmed microburst (with straight line winds of 90–100 mph) that caused wind damage in Bedford. Although the threat of severe weather looks to be minimal in our area the rest of the week, it is good practice to stay informed by checking the National Weather Service (weather.gov) for severe weather watches and warnings.
March 11, 2014
Strong swings in the weather conditions will occur this week. Today, the high temperature is expected to reach into the 50°Fs, but over the next two days temperatures will plummet in association with a winter storm and Thursday temperatures will only reach the mid 20°Fs.
February 21, 2014
The month of February has featured long stretches of below-average temperatures, but yesterday’s high temperature, as recorded by the weather station on the roof of Building 54, was 49.2°F. This was the first temperature above 45°F recorded since February 2. The brief thaw continues today with the passage of a warm front, before a cold frontal passage tonight will initiate a gradual cooling trend through the weekend. The precipitation associated with these frontal passages will be rain, and there is even a chance of thunderstorms. With the amount of snow still on the ground and snow-clogged storm drains, it could be quite messy out. Watch out for giant puddles as you step off the curb! Unfortunately for those longing for spring, next week features a return to below average temperatures in the 20°Fs and 30°Fs, but it is too soon to tell we will be adding to the 22.5” of snow received in February before the month is out.
January 22, 2014
With the arrival of another winter storm, another common meteorological term has entered the popular lexicon: bombogenesis. Bombogenesis refers to the rapid intensification of a mid-latitude cyclone (specifically, a surface pressure decrease of 24 hPa or more in 24 hour period). The system that brought snowfall to the Northeast beginning yesterday afternoon developed rapidly off the Virginia coast, prompting the use of the term bombogenesis in several media reports. A total of 8 to 14 inches of snow was expected across Eastern Massachusetts and Rhode Island, making for our first major snowfall since the 15.1 inches we received in the January 2-3 storm. While the snow may stop around midday today, it will still be brutally cold, thanks to temperatures in the teens and blustery north winds - combining to create wind chill values near or below 0°F. Quite a contrast from the mild temperatures of last week! Tomorrow and Friday the skies will clear, but it will remain chilly with daytime highs in the teens and lows in the single digits. The weekend should bring a return to temperatures in the 30°Fs.
November 12, 2013
A frontal passage early this morning brought the first snow showers of the season to our region. While at the time of this writing it was unknown whether Logan Airport would record measurable snowfall, it would be comparable timing to the date of the first snowfall last year (on Nov. 7, 2012, 0.10” of snow was recorded at Logan Airport).
November 8, 2013
A high pressure system moving into our region today will keep the long weekend mostly dry, with temperatures in the upper 40°Fs to low 50°Fs. There is a slight chance for a few showers on Saturday night as a weak clipper system passes by, but it is more likely we will just see increased clouds. Monday looks to be a pleasant Veterans Day before a cold front moves in Monday night, ushering in much colder temperatures for the middle of next week.
September 27, 2013
It will be a pleasant early fall weekend, thanks to a high pressure system that will remain in control of our weather. The high temperatures will be near or slightly above the climatological normal value of 69°F, while the low temperatures will likely be slightly cooler than the climatological normal value of 54°F, thanks to mostly clear skies that allow for strong radiative cooling at night. It is unlikely we will receive rain before the end of the month on Monday, so we will fall far short of the 3.44” that is the climatological average for September precipitation (so far, we’ve received 2.21”). Looking farther ahead, a coastal low will pass to our east on Monday night. There is significant model spread in the position of the low, but there is a chance that rain will impact the Cape and Islands.
August 30, 2013
Summer is commonly regarded as beginning on Memorial Day weekend and ending on Labor Day weekend. While the astronomical summer runs from June 21 to Sept. 22, the warmest temperatures tend to lag the peak insolation; meteorological summer is therefore defined as June, July, and August. Therefore, defining Labor Day as the end of summer does have some merit.
May 14, 2013
It has been a cool start to the week, with high temperatures yesterday barely making it to 60°F, a trend that will continue today. It may get a few degrees warmer than yesterday, but we are still looking at the low 60°Fs, but that could be knocked down with the development of an afternoon seabreeze. Temperatures tonight will also be chilly, with lows in the low 40°Fs. Last night, in fact, the National Weather Service put out frost advisories because away from the coast, low temperature were expected to drop into the 30°Fs. Luckily for the warm weather lovers, milder air will work its way into the region for the end of the week, with highs Thursday and Friday expected to be in the mid to upper 70°Fs.
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March 12, 2013
The highly variable weather over the last week as we moved into meteorological spring is very characteristics of this transitional season; a pattern that will continue. Warm temperatures the last few days have melted most of the snow we received on Friday. Today should be even warmer, with highs reaching the mid 50°Fs, due to southerly winds and warm air advection ahead of an approaching cold front. Unfortunately, this approaching cold front also means rain today and tonight. The cold front will move across our region tonight, with the rain tapering off by daybreak tomorrow. Tomorrow, temperatures will continue to be mild before the colder air behind the front moves in to make for a chilly end to the week.