September 22, 2007 Current Conditions

September Snow?

By any standard, we’ve just seen a very unusual weather event: a ‘winter’ storm in SoCal—in the month of September. NWS was forecasting accumulations of 18 inches in the Southern Sierra, with higher totals possible. It may be an exaggeration to say we saw as much rain overnight here in L.A. as all of last (more...)...

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September 5, 2007 Science

Global Dimming

PBS’ Nova is running a new episode on a phenomenon they’ve dubbed, “Global Dimming”—the reduction of the sun’s intensity due to atmospheric pollution. On its surface this might seem like a perfectly obvious consequence of pollution, but, as the documentary demonstrates, scientists are making astonishing discoveries about its true scope (more...)...

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About SierraDescents

When there is snow, SierraDescents is Andy Lewicky's California backcountry skiing and mountaineering website. Without snow, sierradescents becomes an ill-tempered hiking and climbing blog.

Pray for snow.