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Showing posts from January, 2016

Winter Precipitation: Rain, Sleet, Snow, and more!

The winter here at Sierra Outdoor School has been a wet one so far, as El NiƱo visits California this year. As several of our school groups have been here spending time learning outside in all sorts of weather conditions, we decided to share some information about how different types of precipitation are formed.
The most common types of winter precipitation are those that most people can name: rain, freezing rain, sleet, and snow. What many people are unaware of is that all winter precipitation begins as ice or snow crystals up in the cold cloud layer. If these crystals get big enough that the air rising from below can no longer support them against gravity, they begin to fall as precipitation. What they are by the time they reach the ground depends upon the air temperatures they encounter on the way down.

Rain, for example, begins as those ice or snow crystals and falls into a layer of air that is above freezing--and therefore, warm enough to melt it. If that warmer air continues al…

Fuel Break Helps Limit the Oak Fire

Visitors coming to the Sierra Outdoor School this year will notice something different on the drive in: a wildfire scar along a section of Old Oak Ranch Road from the Oak Fire. On September 8th two fires started along Big Hill Road and quickly burned up hill and joined together. The fire reached Old Oak Ranch Road before the fire was contained about half a mile away from the school. The fire burned 108 acres.







Besides the quick response of local firefighters and aircraft, a recently completed fuel break played a crucial role in slowing progression of the fire and limiting its spread. Work on the two-mile long, 300-foot wide shaded fuel break was started in September 2014 and finished that spring. The goal of this project was to provide fire protection to the local area and improve forest health. Fuel breaks will not stop a fire themselves, but slow a fire’s spread and provide defensible space. On September 8th that’s what it did.
The Picture on the left is from the Cone Fi…