Category: "Announcements"

New paperback edition out, Sept. 2017

October 25th, 2017
After eight years, several translated editions, a teacher's guide, and a Scholastic edition, The Story of Snow had a paperback edition, also from Chronicle books. The size is the same, and the content is the same except for one thing. This version lists… more »

A complete picture book of all (known) snow types

February 24th, 2017
Prof. Katsuhiro Kikuchi, a highly regarded ice and snow researcher from Hokkaido, Japan, kindly mailed me a copy of his wonderful new book (coauthored with Dr. Masahiro Kajikawa). Never before has there been anything nearly as complete as this book in… more »

How some snow crystals hide their droplet origin

December 5th, 2016
Look closely at the center of a snow crystal. In many, or most, you will often not find a droplet center as we described in the previous post. Indeed, for the columnar crystals, you may never see a droplet center. As an example, look at the center of… more »

How some snow-crystal centers retain their droplet origin

November 22nd, 2016
If you zoom in on the center of some snow crystals, you may see a small circle, or near circle. In some cases, the crystal will have other circles of similar size as well, but the one to focus on is the one at the exact center of the crystal. Here marks… more »

Akira's Corner Pockets

May 10th, 2016
The evanescent snow crystal appears out of nowhere The lines and boundaries on its faces tell a story a story of its birth and life But before it all vanishes does anyone hear the story?   A few years back, a correspondent of mine, Professor Akira… more »

One hundred twenty one forms of falling ice: the new snow classification system

January 22nd, 2014
When I last wrote about the classification of falling snow and ice (02/14/2010), I discussed the 1966 Magono-Lee system. At the time, this system was the most recent one, and as such, the one generally used in meteorology. And to those who wondered how… more »

Rime falling from branches

January 24th, 2013
While riding my bike home the other day, I saw what appeared to be a patch of light snow. It was the only such patch around. Looking closer, I could see that it consisted not of snow, but of chunks of partly melted rime deposits. (Note how the pieces… more »

The Crunchy Puddle Puzzle

March 24th, 2012
Who cares about crunchy puddles? As a kid, I liked to stomp on hollowed-out frozen puddles to hear their crunch. Sure, I sometimes wondered, as many kids probably do, about what happened to all the water and why it happened only to some of the puddles.… more »

Black Ice

March 10th, 2012
Black ice can form on sidewalks. It can form in parking lots. And it can form on small pieces of plastic. To be “black”, the ice only has to be noticeably darker than its surroundings. And it can be darker if the ice attaches snugly to the underlying… more »

Finally got it!

February 8th, 2012
For a few years now, myself and another ice-researcher have been trying to get a research grant from the National Science Foundation to study snow. Well, we just recently heard that the funding came through and I’ll be starting on the project in March.… more »