Inauguration Weather History

Posted: January 19, 2017, 5:30 pm by chewitt

With rain in the forecast this Friday, Inauguration Day is likely to run not too far above average on both the precipitation and temperature front. Naturally we have to ask, how does Inauguration normally fair? As we dig back in time, an interesting mix of weather is revealed on this day despite being in the heart of meteorological winter.

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December Cold Punch for the Midwest

Posted: January 13, 2017, 9:42 am by aarmstrong

For much of the Midwest, December will be remembered as a particularly active month of weather. Chicago received 17.7” of snow, making it the 8th snowiest December on record. In addition to a healthy amount of snow, the Midwest also had by far its coldest air of the season push in during mid-December, in a two part arctic blast.

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December 2016: Cold and Snowy

Posted: January 10, 2017, 11:55 am by ccastellano

The meteorological fall leading into December was one of the warmest on record across the Midwest. The run of consecutive months with above-normal temperatures was a long one, going all the way back to spring for the Corn Belt states. The first month of meteorological winter rang a different tune, however, as it was back to reality for many. December proved to not only be a much colder month, but an active one as well.

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Wind Chill Science

Posted: January 6, 2017, 6:01 am by nsharr

Ever wondered why it feels so much colder when the wind blows? At some point during the winter, most people will hear meteorologists talk about the “Wind Chill Factor”. This factor is determined though a formula using air temperature and wind speed. Basically, the stronger the wind speed, the colder it will feel. But why does it feel colder when the actual air temperature hasn't changed? First off, your body is surrounded by a thin layer of warm air from your own heat. The wind strips this warm layer of air away from your body, making it feel colder.

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Closing out the Year: December 2016

Posted: January 3, 2017, 7:15 pm by sgraham

Hoar frost that developed on Meteorologist Matt Potter's car in northeast Philadelphia on Christmas morning.

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What is Freezing Rain?

Posted: December 31, 2016, 10:30 am by sgraham

The heart of winter is upon us, and although rain may seem like a break from snow removal operations during season, it can be treacherous if it falls as freezing rain. But just what is the difference between freezing rain and "plain old" rain?

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The NAO Explained

Posted: December 30, 2016, 3:36 am by tcollow

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The Top Ten Weather Events of 2016

Posted: December 27, 2016, 9:35 pm by jmartucci

(Image courtesy of under Creative Commons Attribution 3.0)

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A Day in the Life of a Meteorologist

Posted: December 21, 2016, 10:41 am by mikem

It's 2:30 AM...I just woke up, but trust me... I don't suffer from insomnia. This is when I start my day on the early shift at WeatherWorks. With coffee in hand, I'm out the door around or just after 3:00 AM and start work at 4:00 AM. Once at my computer, I begin briefing on the weather situtation for at least the next 5 days.

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Winter Precipitation Types

Posted: December 21, 2016, 8:57 am by nsharr
Freezing rain downs a large branch in Downingtown, PA.


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