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Summary

• Hurricane Irene tracked north along the east coast to eastern New York on the 28th.
• The storm was associated with extreme anomalies of sea-level pressure, precipitable water, wind and moiture flux convergence near the center of the storm over eastern New York and western New England.
• Lower-tropospheric trajectories indicated a deep flow of air from the tropics toward east-central New York.
• Upper-level trajectories extended from the storm north to eastern Canada.
• The upper level trajectories may help to explain substantial upper-level jet intensification over eastern Canada.