Although the very stubborn high pressure area will begin to crack down and allow moisture to finally move in across FL and the rest of the southeastern US, the very strong area of low pressure across the central and northern plains will have no effect precipitation wise in the SE. Moisture will be funneling in from the Caribbean and an upper level trough coming in from the SW. Temps will be remaining very warm for the next day or two until this moisture moves in on Friday.
- NHC Atlantic Outlook Monday, August 21st, 2017
- No current storm in NHC Atlantic Wallet 1 Monday, August 21st, 2017No current storm in NHC AT1 as of Mon, 21 Aug 2017 11:45:02 GMT
- No current storm in NHC Atlantic Wallet 1 Monday, August 21st, 2017
Eyewall Replacement Cycle -- As strong hurricanes, typhoons, or cyclones intensify or hold steady, they can often replace the strongest region of winds and heaviest rains called the eyewall. This happens, usually in major hurricanes, when subsidence begins or intensifies outside of the eyewall OR a stronger band of storms forms outside of the main eyewall and feeds into the center of the system. Generally the effect is a weakening of the system at least temporarily. The hurricane also usually expands during this process. Cycles typically last 12-18 hours including the contraction process. The inner eyewall may dissipated in less than 12 hours after the outer eyewall forms.
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