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AO Transition Precipitation Update

As I mentioned earlier this week, the Arctic Oscillation (AO) will start a transition from its current strong negative phase to a positive phase by the end of next week. During these transitions, precipitation patterns are enhanced. I mentioned that the upper flow...

Trend Alert (SE, Midwest)

There will be an abrupt transition from a negative-phased Arctic Oscillation (AO) to a positive-phase AO over the next two weeks. Precipitation patterns can become enhanced during these transitions.  In conjunction with this transition, a split jet stream flow is...