Local Weather

Current conditions for Troutdale as of Wed, 10 Feb 2016 5:52 am PST

Partly Cloudy


High: 55° Low: 52°

Partly Cloudy

Feels like: 47 °F

Barometer: 30.18 in and steady

Humidity: 68%

Visibility: 10 mi

Dewpoint: 52 °F

Wind: 16 mph

Sunrise: 7:18 am

Sunset: 5:28 pm

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Arctic winter 2010/2011 at the brink of an ozone hole

source: GRL

The Arctic stratospheric winter of 2010/2011 was one of the coldest on record with a large loss of stratospheric ozone. Observations of temperature, ozone, nitric acid, water vapor, nitrous oxide, chlorine nitrate and chlorine monoxide from the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) onboard ENVISAT are compared to calculations with a chemical […]