Tag Archive

Answers: Aircraft altimeter errors

By Jack Williams

Q: Can you help me understand in very simple terms altimeter error when flying from high to low pressure areas and from low to high areas?  I am studying it but its just not clicking.—Mark, Noblesville, Ind. A: To answer  your question I'll begin with some basic information about aircraft altimeters and then use the diagram below to help you see... »

Suggestions for hurricane-oil spill coverage

By Jack Williams

With Hurricane Alex no longer a threat to the people and vessels working to stop and clean up the Gulf of Mexico oil spill, reporters, newscasters, editors, and other news people can take a breather and think about ways to improve coverage when the next hurricane moves into  the Gulf of Mexico. One of the things to think a lot more... »

Answers: Arizona tornadoes

By Jack Williams

Q: Do tornadoes occur in south-west Arizona, including in the Yuma area? Chris,  Yuma, Ariz. A: A few tornadoes have occurred in Yuma County in the past, which means that they can  occur in the future. Nevertheless, the record shows they are rare and usually weak. If  you go to the National Climatic Data Center's (NCDC) Storm Events Web page, select "Arizona"... »

When seasons begin — revistited

By Jack Williams

Q: Hello Jack. I was wondering if anyone ever turned in an answer on your "official seasons" proposal from last summer. I am doing my senior research project on the seasons, and would like to know what you found out. Thank you for your time. Justin, Redwood Falls, MN [caption id="attachment_1938" align="alignleft" width="300" caption="Where it's light and dark on earth at 11:30... »