How do snow fences work?

How do snow fences work?

How do snow fences work? Photo: flickr via Wikimedia Commons, by John Talbot. Snow fence might not have helped here (Ottawa, Canada).

Do all snowflakes have unique shapes?

Do all snowflakes have unique shapes?

Do all snowflakes have unique shapes? A snowflake from the Bentley Collection Wilson Bentley on YouTube/Weather Channel, and snowflake

What is ‘black ice’?

What is ‘black ice’?

What is ‘black ice’? Photo: AdamKR Black ice in Halifax The term ‘black ice’ refers to either a new layer of transparent ice on water,

How does a lake freeze?

How does a lake freeze?

How does a lake freeze? Enlarge Photo: NOAA Ice forming around the shore of Lake Michigan Lakes freeze from the top down. Ice is less

How does frost form?

How does frost form?

How does frost form? Heavy frost on Burr Oak tree in Wisconsin Frost on objects is just water vapor in the air that has condensed as

Is global warming real?

Is global warming real?

Is global warming real? Image: NASA Over the past two decades, the global average surface temperature has increased noticeably. This

What is the jet stream?

What is the jet stream?

What is the jet stream? Photo: NOAA The jet stream is a narrow current of strong wind that blows through the upper regions of the

How accurate are weather forecasts?

How accurate are weather forecasts?

How accurate are weather forecasts? Image: NOAA In general, weather forecasts are getting better, due to improvements in computer

What are heating degree-days?

What are heating degree-days?

What do heating degree-days tell us? Each degree that the mean temperature is below 65 degrees F is one heating degree-day. So if