Sunday, December 20, 2015

Weather It Is (Summary)

Good Evening:

Not much going on, and for a while there won't be much going on.

We see that the 25th of December may bring a small weather disturbance, but the probability is just 25%.

The end of the month is showing the potential for change. The rather zonal flow may amplify with a large ridge building into northern Europe.  This will help to direct colder air far south.

At the moment, though, we don't see any storm in the southern Jet Stream to couple with this developing system -- or more accurately: the probability is about 15%.

We're still a lot cooler than the folks in the eastern US.  They have southerly winds rotating around a ridge to their east, while we have generally northerly winds around a ridge/trough couplet that stretches west to east across the Mediterranean.

We'll have to wait and see how the chances for a significant storm develop over the next several days. However, an Accu-Weather meteorologist has noted that the CFS is indicating that the second week of January may bring a more significant change in the global circulation pattern, which would be more like we had last winter than up to now.

Barry Lynn

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