December 14, 2016:  

The 'How Thin is Too Thin' page has been  updated with a chart of break through thicknesses for a range of weights.  Some new information has been added.



May 2014

The following is a list of additions and significant revisions. 

  • May 27, 2014
  1.  A review of data on snowmobile deaths on ice and the major role that Alcohol plays in those deaths. 
  2.   A an page on the very low strength of thawed S2 ice (candled ice).  It includes some video of falling through rotten candled ice.   
  • May 13, 2014
  1. The 2014 ice season fatality report has been published with a summary page and five pages of accident reports
  2. The page on melt figures (Tyndall figures) and vapor figures has been expanded substantially.
  3. A page on Corn Ice
  4. A page on Speeds on Ice takes a look how fast speed skaters and iceboaters go. 
  • March 18, 2014
  1. 3/17/14: Saint Patrick's Day blog post
  2. 3/14/2014 A page on the colors of lake ice was added to the site.
  3. 3/12/14 Blogg Post on sailing Big, Old ice yachts on the Hudson River
  • February 24, 2014:  The 2014 blog posts include:
  1. 2/24/14:  A blog post on Mårten Ajne's excellent new book on Ice physics for recreational ice-users.
  2. 2/23/14:  A blog post on the effectiveness of a throw ring on a fishing sled
  3. 2/15/14: More pictures of early ice in Northern Sweden from Karl van der Voot.
  4. 2/2/14:  An early February report on the great ice conditions and the places people found to swim.
  5. 1/3/14:  An introduction article to a persistent hazard map for North America.  In reality it is mostly for Lake Champlain as that is the lake we know best.  This makes Lake Champlain look more hazardous than other lakes however all lakes have hazards and big ones have lots of them.  Knowing where some of the hazards are makes going on the lake safer.
  6. 12/7/13An article on blue staining of ice by blue-green algae 
  • June 30, 2013:  A search page for the site has been added to the to 'top of the right side' menu bar. 
  • June 20, 2013:  An article on Snow Melting in Freezing Conditions by Karel van der Voort on snow on ice from a skater's perspective. 
  • June 3, 2013:  A report on ice fatalities in North America has been published.  It is spread over 5 pages. Click here for the summary report.  The following are links (by month) to a short review of each accident.

                          November and December 2012

                          January 2013

                          February 2013

                          March and April 2013