CHANGES FOR THE BETTER IN FEBRUARY?

ARCTIC OSCILLATIONS
ARCTIC OSCILLATIONS INDICATE LESS COLD IN THE SOUTH
While we were shivering in January, Nome Alaska had a high temperature of 51 degrees on January 28. That was the warmest winter temperature there since 1907! Our cold month was related to the Polar Vortex and a blocking high pressure along the Canadian and western U.S. coast. As it kept winter rains and snows away from the western U.S., the drought threatened the water supply in California.
2014-02-02_105040
NOAA’s 500 MB PREDICTION FOR MID-FEBRUARY
NOAA’s upper level predictions for February indicate an erosion of the blocking ridge of high pressure on the Pacific coast and the approach of a low pressure trough from the west. Since the time is running out for California to receive its seasonal precipitation, this pattern change is hopeful news for them. It’s also better news for us after a month of such bitter cold in January.

With this new pattern, the Jet Stream can reduce the flow of Polar air masses into the Deep South. The only fly in the ointment is that any penetration of Polar air can cause outbreaks of severe thunderstorms and tornadoes. Late winter and spring is our season for our most destructive t’storms and tornadoes. It seems like there’s always something bad to watch for while we live in Paradise!

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