Tucson News NowWeather 101

  • Tuesday, February 21 2012 11:53 PM EST2012-02-22 04:53:22 GMT
    Satellite pictures sometimes reveal man-made clouds caused by cargo ships. Find out how in this edition of Weather 101.

  • Monday, February 13 2012 1:13 AM EST2012-02-13 06:13:52 GMT
    A step-by-step guide to finding and recognizing the International Space Station in the night sky.

  • Thursday, February 9 2012 8:52 PM EST2012-02-10 01:52:49 GMT
    It's sometimes Arizona's only chance for rain in a La Niña (dry) winter. Learn about the Madden-Julian Oscillation here.

  • Wednesday, February 1 2012 8:59 PM EST2012-02-02 01:59:29 GMT
    Ever wonder why airplanes sometimes leave a trail that looks like a cloud?

  • Wednesday, February 1 2012 12:36 AM EST2012-02-01 05:36:29 GMT
    Just like a rainbow created as sunlight goes through raindrops, rainbows can form in clouds. How does this happen?

  • Tuesday, January 31 2012 9:30 PM EST2012-02-01 02:30:25 GMT
    Is Groundhog's Day linked in any way to real science? How did it start? Find out here!

  • Tuesday, January 31 2012 12:38 AM EST2012-01-31 05:38:04 GMT
    Learn the difference between a total and an annular solar eclipse in this Weather 101 story.

  • Tuesday, January 24 2012 9:02 PM EST2012-01-25 02:02:47 GMT
    One of the most beautiful things in nature, the Aurora Borealis or Northern Lights are the visible manifestation of particles hurling from the sun toward earth. How do they form?

  • Thursday, January 19 2012 11:50 PM EST2012-01-20 04:50:28 GMT
    The continental United States has been drier and warmer than normal this winter. Alaska, on the other hand, has been burried in snow. One major reason for this is a Positive Phase Arctic Oscillation. Find out what it's about in this article.

  • Wednesday, January 18 2012 7:57 PM EST2012-01-19 00:57:23 GMT
    Freezing rain takes a special setup in the atmosphere. Find out how nature's icy grip creates this phenomenon.

  • Monday, January 16 2012 11:36 PM EST2012-01-17 04:36:01 GMT
    One of the triggers for afternoon summer thunderstorms in the South is the Ocean Breeze.  Learn how it forms in this story.

  • Monday, January 16 2012 8:09 PM EST2012-01-17 01:09:57 GMT
    These gorgeous clouds are rare.  In this story: how they form.

  • Friday, January 13 2012 11:12 PM EST2012-01-14 04:12:29 GMT
    See how air from Arizona helps produce some of the world's most violent weather.

  • Thursday, January 12 2012 5:17 PM EST2012-01-12 22:17:51 GMT
    Patterns like the "Rex Block" can result in continuous weather patterns with very little day-to-day variations.

  • Thursday, January 12 2012 1:33 AM EST2012-01-12 06:33:15 GMT
    Ever wonder why the moon changes shape in the sky?  Here's the answer!

  • Friday, January 6 2012 1:43 AM EST2012-01-06 06:43:19 GMT
    It's important to Arizona!

  • Thursday, January 5 2012 8:44 PM EST2012-01-06 01:44:44 GMT
    Why do seasons occur?  Find out here!

  • Thursday, January 5 2012 3:06 AM EST2012-01-05 08:06:11 GMT
    The difference in wind flow below and above these unique clouds creates their magical appearance.

  • Thursday, January 5 2012 12:12 AM EST2012-01-05 05:12:07 GMT
    Wavelength...  it's important!