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
- A review of data on snowmobile deaths on ice and the major role that Alcohol plays in those deaths.
- 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
- The 2014 ice season fatality report has been published with a summary page and five pages of accident reports.
- The page on melt figures (Tyndall figures) and vapor figures has been expanded substantially.
- A page on Corn Ice
- A page on Speeds on Ice takes a look how fast speed skaters and iceboaters go.
- March 18, 2014
- 3/17/14: Saint Patrick's Day blog post
- 3/14/2014 A page on the colors of lake ice was added to the site.
- 3/12/14 Blogg Post on sailing Big, Old ice yachts on the Hudson River
- February 24, 2014: The 2014 blog posts include:
- 2/24/14: A blog post on MÃ¥rten Ajne's excellent new book on Ice physics for recreational ice-users.
- 2/23/14: A blog post on the effectiveness of a throw ring on a fishing sled
- 2/15/14: More pictures of early ice in Northern Sweden from Karl van der Voot.
- 2/2/14: An early February report on the great ice conditions and the places people found to swim.
- 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.
- 12/7/13An article on blue staining of ice by blue-green algae
- November 5, 2013: One result of 2013 Fatalities Report was a better understanding of how big a role thawed ice plays in accidents. (Click here for a new page on thawed ice)
- November 5, 2013: Ice on rivers behaves differently than ice on lakes. They can offer an interesting ice venue but also have several new ways to get in trouble. (Click here for a new page on Rivers).
- November 5, 2013: A write up for an unusual large scale ice formation in Newfoundland in March. The Chelyabinsk Meteor in February, in Russia, and the allignment of similar ice formations on three nearby lakes in Newfoundland made the prospect of something falling from the sky plausible.
- November 5, 2013: Rip-outs are a fairly common source of open water in new ice. This article review one that occured on Lake Winnipesaukee (NH) early last February.
- 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.
- May 8, 2013: The Tragedy in Rangeley page was further updated
- May 3, 2013 The Tragedy in Rangeley page has been updated.
- April 7, 2013 We had a couple of ice-push events on northern Lake Champlain in early April. The bigger of the two is featured in the April 7 blog entry. A page on this interesting phenomena will be posted in a week or two.
- March 16, 2013: Blog entry and reports on a fatality on Lake Memphremagog (VT) and a vehicle breakthrough on Seymour Lake (VT)
- February 27, 2013: Posted an end of season blog entry and an updated End of Season page.
- February 19, 2013: Posted a page on double ended folded ridges. They are an unusual but significant hazard.
- January 30, 2013: Added a page on Nordic Skating and another on ice hazards associated with nordic skating.
- January 25: Posted a video of a pressure ridge forming.
- January 22, 2013: A page on swamp ice has been added.
- January 18, 2013: Posted an article on getting current and past satellite images of lake ice.
- January 3, 2013: A blog post and initial report on a tragedy on Rangeley Lake
- December 28, 2012: An Activities Links page has been added.
- December 28, 2012: A blog post on layered ice, a significant hazard on new ice.
- December 22, 2012: A detailed review of 2012 ice accidents in North West Vermont is now available. It contains more 'how, where, what, when and why'.
- December 20, 2012: Added an article on the bearing strength of ice which suggests using the Minnesota DNR thickness guidelines for recreational activities as opposed to other sources.
- December 19: The article 'How Thin is Too Thin' has been updated and moved from the 2012 Blog.
- December 9, 2012: Added an annotated picture gallery on octopus patterns in snow ice.
- November 6, 2012: Added a page on Nubansuit Lake (NH) with an hypothesis of what lead to the large amount of thin ice on this part of the lake in 2011 (update near the bottom of the page).
- November 4, 2012: Added a page of links of interest.
- October 30, 2012: An article on special considerations for using pond ice.
- October 30, 2012: Significant update of the Dock Bubblers page.
- October 20, 2012: Northwestern Vermont Ice Incident Report Summary for the the 2012 season was posted in the blog.
- June 3, 2012: added a list of important People and places in the world of lake ice.
- May 11, 2012 Johan Porsby's Isordslista (glossary) of Swedish ice terms has been reposted in significantly improved form (thanks to Vince Rossano).
- May 6, 2012: The article on Ice Growth was rewritten based on formula that better represents reality for ice thinner than 3".
- April 2012: Article on wind scalloped ice and the account of the January Waterbury truck break through has been updated to include the vehicle recovery.
- Articles on traveling on ice at night and hazard communication have been added (March 2012).
- Slush Balls: an unusual and interesting ice formation seen on beaches and imbedded into frozen ice edges.
- The Satellite View: Ice images from NOAA: 2012 Blog-First article in this section--12/2/2011
- Suggestions for Early Season Ice Checking: 2012 Blog-Second article in this section--11/23/2011
- How thin is too thin: 2012 Blog
- The Dr Gordon Giesbrecht pages have been expanded substantially. His work on cold exposure should be read or seen seen by all ice travelers.
- Flotation (life jackets, etc)
- Off Ice Breakup (the effect of an off edge wind on an ice sheet)
- Puddle Holes: a common hole that forms in windy thaws.
- Reasonable Ice Thickness: suggestions and commentary
- The Future of Ice: Lake ice and Climate Change
- Weather History: an easy way to review what the ice really experienced over the past week or two
- Types of lake ice: how ice is classified technically
- Saved by His Socks: a story of a northern New Hampshire snowmobiler who broke through.
- Octopi-Flow Patterns in Snow Ice: this article was rewritten based on a better understanding of the process that forms some of most spectacular patterns on lake ice.The article has been modified a couple times.
- An article on the breakthrough thickness of ice at 175 lbs and a review of the liabilities of thin ice. : 2012 BLOG--Third article in this section--11/10/2011
- Professor Popsicle: an introduction to Dr Giesbrecht's work: 2012 BLOG
- A story about gas holes, shanties and space heaters
- Skating and sailing on Lake Champlain in 1936 by Daan Zwick: 2012 BLOG --Forth article in this section-9/12/2011
- 6/3/11 blog entry: a historic account of a skating accident on Lake Champlain by Daan Zwick: 2012 BLOG--Fifth article in this section--9/7/2011
- The 2011 blog articles are being moved to appropriate places on the site. Click here for an index with links to their current locations.