Objective Comments and Analysis - All Science, No Politics
Contributions by Richard James and Rick Thoman
Thursday, February 10, 2011
After a week of fairly quiet weather, much cooler air, possibly the coldest of the winter, is moving into Interior Alaska. This is a deep cold airmass, as can be seen in the upper air data from Thursday afternoon compared to Wednesday afternoon, with big temperature falls above 500 meters AGL. Since then it has continued to cool, with the 9pm AST temperature here on Keystone Ridge down to -9F, making this the first day this month with a subzero temperature (here on the ridge).
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