Archive for September, 2009

Why do leaves turn color in the Fall?

September 29, 2009 0 Comments
Why do leaves turn color in the Fall?

About this time of year, Native Americans told about the Hunter In The Sky killing the Great Bear. The Great Bear’s blood would drip onto the leaves, turning them red and orange. When the Great Bear’s meat was cooked, fat would splatter from the kettle, turning the leaves yellow and gold. Another explanation (although it’s […]

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What makes Contrails…and what are Contrails, anyway?

September 24, 2009 0 Comments
What makes Contrails…and what are Contrails, anyway?

We’ve had some great weather for contrails lately!  Contrails, also called condensation trails, streak out behind airplanes as they fly through the upper troposphere.  The process is a lot like when you see your breath on a cold day.  The hot exhaust from the jet quickly cools, and the moisture in the exhaust condenses and […]

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Foggy mornings…

September 24, 2009 0 Comments
Foggy mornings…

Have you noticed all the foggy mornings recently?  We’ve had all the right ingredients…clear sky at night, light wind and plenty of low-level moisture.  This kind of fog is referred to as radiation fog.  It occurs when the temperature cools and the air becomes saturated.  If conditions are calm enough, the fog may become locally […]

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What kind of Winter (Gasp!) will we have?

September 24, 2009 0 Comments
What kind of Winter (Gasp!) will we have?

After a very strange Summer and a very back-and-forth Autumn, what lies ahead for the Winter of 2009-2010? As we all remember, the last two winters have been pretty rough with lots of snow, frequent storms and quite a bit of cold weather. Will this year repeat? While the official Climate Prediction Center forecast won’t […]

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