Archive for February, 2010

Answers: Weather balloons and airplanes

Monday, February 22nd, 2010

Q: Hi, I enjoyed "Rise Up" in the March 2010 AOPA Flight Training magazine.   I wonder about  the danger of those weather balloons and noted your  comments about there being "no danger" as it's floating down under parachute. But really, hasn't there ever been an incident or accident associated with one of these balloons where one of them (either... »

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Posted in Ask Jack | 3 Comments »

More snowy science lessons

Wednesday, February 10th, 2010

Does "blizzard" have an official definition? The National Weather Service considers a storm to be a blizzard when it has winds of 35 mph or faster, low temperatures (no specific figure given), and sufficient snow in the air to reduce visibility to less than 0.25 miles. When such conditions are forecast to last at lest three hours the NWS issues a... »

Posted in News & Events | 1 Comment »

Snowy science lessons

Tuesday, February 9th, 2010

From the afternoon of Friday, Feb. 5 through the afternoon of Tuesday Feb. 9, I spent roughly eight hours shoveling snow, thanks to the record-breaking "Snowmageddon" that brought two to three feet--in some cases even more--of snow to the Washington, D.C. area. Shoveling snow is a good time to think about the science of winter storms, ice, and even some basic... »

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Posted in News & Events | 2 Comments »