A Time Machine Through Global Temperature Averages

In Roger Hill's Weather Classroom by WDEV Radio

Radio Vermont Forecaster Roger Hill looks at how temperature averages have changed since the end of the last ice age when compared to data from 1961-1990 and how the earth’s temperature affected early and modern humans. Then he looks forward, past 1990 to today and beyond. What does our temperature trend mean for the planet and humans in the next …

View Post

All About Wind

In Roger Hill's Weather Classroom by WDEV Radio

Wind is the movement of air that develops due to temperature differences in different parts of the world. The differences in temperature result in differences in density which results in differences in pressure. Wind results when these pressure differences try to normalize in an endless cycle of movement. Roger Hill explains the pressure gradient and what causes changes in wind …

Frost Quakes or Cryoseisms

In Roger Hill's Weather Classroom by WDEV Radio

Sometimes during Vermont winters, some seismic events occur called Frost Quakes or Cryoseisms. This occurs when a frozen ground, saturated with moisture, cracks with high intensity in a very localized areas. Roger explains in great detail how meteorological indicators can lead to these Frost Quakes.

View Post

How Do Snow Rollers Form?

In Roger Hill's Weather Classroom by WDEV Radio

Sometimes during the winter, the right temperatures and wind conditions come together after a snow fall and create snow rollers, curls of snow that can be hollow or bunched up like a cinnamon bun. We discuss this phenomenon in detail. Have you seen snow rollers? Let us know in the comments or on the WDEV Facebook page.

View Post

What Is A Computer Weather Model?

In Roger Hill's Weather Classroom by WDEV Radio

Often during a forecast, forecasters will talk about the various computer weather models and how they compare. What kind of skill is involved to interpret these and make a projection or forecast of what the weather will do? This podcasts gets into the science of weather models and also why the variables of the sophisticated analyses affects them so and …