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11 October 2011
Dissapearing Ice At The Top of The World and The Roof of the World
The news that the Arctic sea ice approached very near the 2007 record is about a month old now, but the NSIDC has a rather amazing graph showing the trend since 1978. This is just one aspect of the ice and perhaps not the most important. The old ice in the Arctic has nearly disappeared in many areas now. Take a look at this video from NOAA and made by …
26 April 2011
We Don’t Want To Believe What We Know
This TED talk is a must watch. It speaks for itself.
10 March 2011
A Real Tornado and a Plastic One- Three Cool Videos!
An EF-2 tornado hit Theodore, Alabama on Wednesday and caused significant damage. The tornado was rated an EF-2 by meteorologists at the local NWS office in Mobile, and that indicates wind speeds of 180-218 km/hr (110-135 mph). The image below shows the track of the tornado. Notice the hardware store in the image (between the two EF-2 triangles). There were several security cameras running at the time the tornado hit …
22 February 2011
Some Tears For Beautiful Christchurch
If you go to Antarctica with the U.S. Antarctic Program (NSF), you will be very familiar with Christchurch. It’s the take off and return point for all of those who go to work, and do science “on the ice”. Last night, when I emailed a friend at Amundsen Scott station (at the South Pole) about the quake, I quickly got a request for more information. Everyone “on the ice” loves …
15 January 2011
More Frost Flowers!
Some more amazing pictures of frost flowers in the email this past week. Thanks to Joni Atkins for these incredible shots. The science behind them is discussed in my previous post. Water is such an incredibly weird substance! Thanks Joni!
4 January 2011
Ever Seen One of These In Your Bird Feeder??
A few weeks ago it was frost flowers and now another strange ice formation is spotted here in the Tennessee Valley. This time it’s an ice spike. Merlin (Mo) Marice of Huntsville in Alabama went out to check his bird bath Monday morning and was greeted with this! He called and sent me the pic in search of an explanation. My initial guess was that the top of the ice …
24 November 2010
More Chimneys (See Magma Cum Laude) and a Diamond Dust Pilar
Magma Cum Laude has a great post with a shot of the “chimneys” in Upstate New York. Here is mine. This chimney is in Banff Nat. Park, just outside of Banff, Alberta. A few days later I saw this. The photo was taken at 4,000 meters, on top of Telescope Mountain, above Banff. It was very cold (-25C) and the air was very dry. Tiny ice crystals in the air …
24 October 2010
The Oldest Object Ever Photographed?
There is a paper in NATURE this week that has caught the attention of a lot of people. Even those who are not into astrophysics! Awhile back the Hubble telescope took the image you see below. See that little smudge? This image may contain the most distant and oldest object ever seen by human eyes. From European Southern Observatory/NASA Astronomer Matt Lehnert from the Observatoire de Paris and a team …
17 July 2010
The Big One Itself is Now Melting- Amazing Pics
The Glacier Research Imaging Project (GRIP) has released some stunning images of Everest taken from the same spot In 1921 by George Mallory and in 2007. Go to the Asia Society web site and see the changes for yourself. Click the pic to go to the site. Compare that with Michael Mann’s famous graph. The reason scientist come to have faith in a theory is NEVER based on one single …
Dan Satterfield has worked as an on air meteorologist for 32 years in Oklahoma, Florida and Alabama. Forecasting weather is Dan's job, but all of Earth Science is his passion. This journal is where Dan writes about things he has too little time for on air. Dan blogs about peer-reviewed Earth science for Junior High level audiences and up.