ATM 103 Lecture Notes - Lecture 14: Saharan Air Layer, 1900 Galveston Hurricane, Hurricane Wilma

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In some of the strongest hurricanes, the convection in the wall of the eye is replaced by an outer ring of storms. Can happen multiple times during the lifecycle of a storm. Hurricane wilma (2005: strongest atlantic basin hurricane ever recorded, 882 mb central pressure, 185 mph 1-minute sustained winds. Deep well-mixed, dry adiabatic layer over cool, moist low-level air. Temperature inversion at the base of the sal. When tropical waves, tropical disturbances, or pre-existing tropical cyclones (tcs) ingest the. Sal, it"s dry air, temperature inversion, and strong vertical wind shear (associated with the midlevel easterly jet) can inhibit their ability to strengthen. Intensity: 145 mph and 936 mbar - 15 foot storm surge. In 1915 there was another storm with a 12 ft storm surge - only 53 people died. Remains the deadliest tropical cyclone ever recorded, with a death toll of up to 500,000 people!

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