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Forecast Discussions

Blocking sends disturbance south from Greenland

High latitude blocking, which we discussed earlier this week as an important predictor in summer temperature patterns around our area, is at it again. A large and anomalous blocking ridge, building north from Canada towards the higher latitudes into Newfoundland and Southeastern Greenland, is forcing a disturbance and upper level low to shift southward. The […]

NASA imagery captures massive CME

As benign and inactive as the weather pattern has been the last several days in the NYC Area, the sun has been conjuring up some major developments. And it’s acting up again. On Monday a corona mass ejection, otherwise known as a CME, occurred on the edge of the sun. CME’ s are common during […]

Does blocking in May hint at summer weather?

Seasonal forecasting is one of the more tedious and intricate tasks for meteorologists. Not only is it difficult to predict by nature (no pun intended) — but forecast model accuracy skill is greatly reduced at that range. Often, meteorologists find themselves looking back towards past events, and analogs, for help with predicting the months ahead. […]

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