Weather 101

Our meteorologists answer your questions and explain different aspects of weather forecasting. To submit a question or topic click here

Mountains Key To Rapid Warmth

[Mar 08th 2010] Differences in elevation have huge impacts not only with respect of what kind of precipitation type a certain area will receive, but also with temperature ranges. Typically, lower elevations would have a warmer climate, while higher terrain is typ... - read on...

A Look At High Pressure In The 3rd Dimension

[Mar 03rd 2010] Once Monday is in the books, I begin to think about the weekend to make the workweek speed by. If the weather forecast is calling for beautiful weekend weather, then the anxiety builds even more. This weekend is going to go on without a hitch. Hig... - read on...

Maritime Pattern Back In Action?

[Feb 24th 2010] The past seems to be haunting us again after we get through a period of unsettled weather. For the next few days, the state will be pounded with a potpourii of precipitation types. Ski country will receive a bounty of snow, interior regions will e... - read on...

An Old Pattern Breaks Down, WIll The New One Bring Snow?

[Feb 20th 2010] For about four weeks now, a persistent low has been sitting over the Canadian Maritimes and forced big storms to our south. Additionally, it has been wrapping around relatively mild air from the ocean into out region. Despite a few bitterly cold d... - read on...

Missed Snow Storms Contribute To Mild Air

[Feb 14th 2010] February began with a cold shock, but for the past week, mild air has made it feel quite pleasant outside. In fact, Maine has been one of the hot spots across the country, compared to average, this winter. Interesting to note, the blockbuster stor... - read on...

Battle Zones For Big Winter Storms

[Feb 10th 2010] Every year, winter churns up big storms along the East Coast which grow quickly and cause wild weather. One of the biggest reason for this occurrence is due to a large air mass difference. Just like in the spring time when thunderstorms erupt alon... - read on...

A Love For Weather

[Feb 06th 2010] Typically there is that one weather event that sparks a young boy or girls interest in pursuing a career in weather. The event that I hold near and dear to my heart was a simple thunderstorm. How did that happen? Why is there lightening? Why is it... - read on...

Where Is The Snow This Winter Season?

[Feb 03rd 2010] The weather has been observed for hundreds of years, but since the late 1950's, the technology boom with weather observation and forecasting took flight. The point I am getting at here is that we consistently study the effects that one part of the... - read on...

Three Ingredients Needed To Send Chills Down Your Spine

[Jan 30th 2010] When cooking up a very cold night, no matter the season, there are three major ingredients that need to be in play. A clear sky, dry air mass, and light winds are requisite for producing chills down your spine. Typically when this type of patt... - read on...

Winter Related Watches, Warnings, and Advisories....What Do They Mean?

[Jan 23rd 2010] What is the difference between a Winter Storm Watch, Winter Storm Warning, and a Winter Weather Advisory? This is a particularly interesting question, because most other types of advisories such as a Severe Thunderstorm Warning or a High Wind W... - read on...

High Pressure, More Important Than Meets The Eye

[Jan 12th 2010] I harp on this topic a lot and honestly, I think that high pressure is very underrated in the weather world. High pressure can make or break big storm, especially in the wintertime. The combination between the clockwise flow around the high and co... - read on...

Our Redundant Pattern With A Greek Twist

[Jan 11th 2010] When I took my courses in meteorology at Penn State, they were pretty tough especially when it came to breaking down the physics in the form of equations that could be as long as novels. Typically when we write down a thermodynamic equation, we us... - read on...

New Criteria For A Severe Thunderstorm

[Jan 05th 2010] Starting today, the criteria to reach the threshold for a severe thunderstorm has changed. Research has showed that hail, flooding, high winds, and tornadoes cause extensive damage to homes and property. However, recent studies about hail size gov... - read on...

Potential Blizzard, What Were We Looking At To Predict This?

[Jan 01st 2010] What a way to ring in the New Year, a potential blizzard. Computer models have been hinting at this storm for many days and considering that it had the potential to be a historic storm, we wanted to make sure you were well informed. Just to give y... - read on...

Could an ice storm just like the 1998 storm happen again and why?

[Dec 25th 2009] Could an ice storm just like the 1998 storm happen again and why? The quick answer is yes and the right ingredients must be in play at the right time. However, to receive a storm of such magnitude is very rare and might be a once in a lifetime ... - read on...

How fast do snow clouds move?

[Dec 23rd 2009] How fast do snow clouds move? I want to thank Maya for sending in this question. As far as clouds that produce snow verses clouds that produce rain, there is no difference in their speed due to precipitation type. Basically winds in the middle ... - read on...

Wind Propelled By Pressure Differences

[Dec 11th 2009] After a blast of wintry weather, the winds began to crank up. One would think that after a storm is long gone, then everything would be clam without any residual effects. Sometimes that is the case, but this time that is not. We are done with the ... - read on...

2009 Hurricane Season Stats

[Dec 07th 2009] Typically with an El-Nino year, the amount of activity in the Tropics is suppressed. This year was no exception. Here is how 2009 shaped up: Named Storms: 9 Hurricanes: 3 Major Hurricanes: 2 Compare those numbers to the averages: ... - read on...

How Much Snow Fell In Belfast?

[Dec 07th 2009] I just recently received a question about this past weekend's storm. How much snow fell in Belfast? There were no official reports out of Belfast or any city nearby. Even Rockland did not report snowfall. Considering where the snow fell and where ... - read on...

Video Thursday's Storm and Importance of Storm Tracks

[Dec 01st 2009] Our next event of turbulent weather will occur on Thursday. Tracking this and any storm is important in determining who gets precipitation and who gets what type of precipitation. During the colder months it is even more crucial to track and forec... - read on...

Tilting Troughs Tell The Tail Of A Storm

[Nov 24th 2009] We talk about troughs and ridges a bunch when we do the weather. Typically troughs are synonymous with cool environments, and ridges are synonymous with warmer environments. But, one of the most important aspects of forecasting troughs is how thei... - read on...

Forecasting Different Types Of Winter Precipitation

[Nov 21st 2009] Next week, we will have our first true knock on the door from the arctic. Some of the coldest air of the season will filter into northern New England just after Thanksgiving. Therefore, as we get deeper into the late fall and eventually transition... - read on...

Assesing Stability

[Nov 17th 2009] All year round, but especially during the warmer months, assessing whether the atmosphere is stable or not can make a huge impact on whether thunderstorms develop or not. During the birth of a thunderstorm, the ingredients needed usually consist o... - read on...

Indian Summer

[Nov 12th 2009] The weather over the past several days has been breathtaking in Maine. Before we got to this great stretch of a sun filled sky and temperatures soaring into the 60s, there was a fair amount of snow in several locations. The following link www.erh.... - read on...

Difficulty In Forecasting Small Scale Events

[Nov 12th 2009] As a meteorologist and you sit down to develop your forecast, sometimes you say, "wow, this is pretty tough." Whether it be a type of event, timing, and pinpointing where the most active weather will be, sometimes you just have to scratch your hea... - read on...

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