Tropical Storm Sean Marks Remembrance Day 2011

Tropical Storm Sean Nearing Bermuda

Tropical Storm Sean’s structure degraded and it weakened last night as it felt the effects of strong upper level wind shear, dry air, and cooler waters. Bermuda Weather Service observed sustained winds of 45mph with gusts to 56mph verifying the Tropical Storm Warnings. Pressure was around 998mb at Sean’s closest point just before dawn this morning.

Commissioner’s point measured gusts nearing 70mph, while other gusts were over 60mph elsewhere on the island. Rainfall amounts were generally less than 0.5″. A cold front is expected to pass later this afternoon and into this evening, and a significant change in temperature behind this front is possible. Low temperatures may reach the mid-60s for a time. Strong winds should subside by tonight as high pressure builds in behind the front. Simultaneously the sky conditions should improve allowing for a nicer weekend, albeit cooler.


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