During the Monsoon, funnel clouds sometimes greet southern Arizona, creating a unique spectacle in the sky. When the Monsoon flow, which comes from the tropics, is moving very rapidly, wind aloft will
Creating a spectacle in the sky, monsoon storms can sometimes spawn funnel clouds. Here's why and how.
When storms from the Mogollon Rim aim toward Tucson, they frequently bring with them damaging wind. Unlike a "typical" Monsoon day, where storms are moving very slowly, when the "Mogollon Rim" pattern
Here's how some of the most destructive Monsoon storms form.
**There will be an "annular" solar eclipse visible from Arizona on May 20, 2012.** Solar eclipses are amazing to observe. To observe them, never look directly at them. Instead, create a solar eclipse
Learn the difference between a total and an annular solar eclipse in this Weather 101 story.
An atmospheric pattern that remains stagnant for days on end is known as a "blocking pattern." One example of this is a "Rex Block." A Rex Block happens when high pressure is located north of low pressure,
Patterns like the "Rex Block" can result in continuous weather patterns with very little day-to-day variations.
We've been taught that when spring begins, the day will have equal daylight and dark hours. In other words, that there should be 12 hours of daylight and 12 hours of dark on the first day of spring. Spring
We've been taught that when spring begins, the day will have equal daylight and dark hours. That's not the case! Here's why.
(VIDEO NOTE: THE VIDEO ASSOCIATED WITH THIS STORY GIVES A GENERAL ILLUSTRATION OF THE STORY THAT FOLLOWS. IT IS FOR A SPECIFIC TIME AND SIGHTING OPPORTUNITY AND SHOULD BE USED AS A GUIDE. SPECIFIC FUTURE
A step-by-step guide to finding and recognizing the International Space Station in the night sky.
A lot of weather folklore has roots in actual human observance of weather conditions. Take for instance the ring around the moon. A moon halo, like the one below, is said to indicate a snowstorm arriving
Is Groundhog Day linked in any way to real science? How did it start? Find out here!
Have you seen clouds like the ones in the photo below? It was taken by Astronaut Chris Hatfield (Canada) from the International Space Station. Notice the mountain range on the right side of the picture.Wind
How do mountains form rows of clouds?
Have you ever seen a ring around the moon or sun? I'm not talking about just a fuzziness around the sun or moon. I mean a discernable ring. Cirrostratus clouds, like the one in figure 1 below, are made
Light shining through ice crystals helps create a halo that can be seen around the sun or the moon.
When the wind is out of the east, Tucson is about to warm up. Here's why!The elevation in New Mexico is higher than the elevation here in Tucson. So, the air, when the wind is from the east, is originating
Air warms on its journey with an east-to-west wind from New Mexico. Learn why here!
Have you ever seen the edges of very thin clouds look like oil on water, like the inside of a sea shell, like a smudgy rainbow? If you have, then you've seen cloud "iridescence". It's actually quite
Have you seen a blurred, smudged rainbow in a cloud? Check out this step-by-step explanation of what nature is doing!
Did you see the halo around the sun that also had a couple of "extra" suns in it?Then you saw an optical phenomenon called a 22 degree halo and sun dogs.The halo itself goes around the sun at a distance
Did you see the bright lights on each side of the sun? If so, you've seen sun dogs!
"Once in a blue moon..." It's a cliche that we hear often. It's meaning is that something only happens once in a while.A blue moon may not live up to the cliche's name, though. A blue moon happens every
It doesn't turn blue. But, it's still fun!