An Unsettled Week Ahead for Bermuda

Bermuda Weather Service Analysis of the North Atlantic Synoptic Pattern at 12z November 18th 2012.

A stalled front has been in control of the weather in Bermuda for the past few days. Recently, however, a weak, broad wave of low pressure has developed along the end of the front over the Gulf Stream. This low pressure is expected to head northeast and lift the stationary front northwards through Bermuda over the next day or so. As this happens, the low is expected to deepen and concentrate to the west and northwest of Bermuda, then push east towards Bermuda Tuesday night or Wednesday. As this happens a period of Gales may develop on Thursday. The low is expected to stay near Bermuda fluctuating in strength and size until Saturday when it begins to move away.

As a result, showers and thunderstorms are expected to stay in the forecast for the next five days. Strong easterly winds begin to shift southeasterly and southerly and weaken tonight. They stay southeasterly/southerly through Monday, however, as the low’s center approaches Bermuda Tuesday night/Wednesday, winds shift to the southwest then west and increase to near gale force on Thursday. As the low passes, the winds shift to the north and begin to weaken by Friday morning. A Small Craft Warning is in currently in effect, but a Thunderstorm Advisory or some form of wind advisory may need to issued later.


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