Sunday, November 11, 2012

Weather Whiplash

We've experienced a huge weather swing. Today's high temperature of 62F is the equal to the low six days ago!

Not only that, but the wind is whipping.

As I did in Do you know where that's been?, I visited NOAA's HYSPLIT Trajectory Model and found the source of our extremely cold air mass, SE Alaska.

Five days ago? Our air mass came from north of Hawaii and was further warmed by adiabatic compression over mountain ranges.

The website caters to scientists, and we want to see the temperatures in Kelvin. A 17 Kelvin difference is 30 Fahrenheit.  Perhaps this is not as serious as hunkering down in New York without heat, but, this is brrr by our standards.

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