000 ABNT20 KNHC 211723 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 100 PM EST Tue Nov 21 2023 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: Central Caribbean Sea (AL99): Showers and thunderstorms associated with a small area of low pressure over the central Caribbean have not become any better organized today. Nearby dry air is forecast to prevent additional significant development of the system as it moves slowly westward during the next few days. * Formation chance through 48 hours...low...10 percent. * Formation chance through 7 days...low...10 percent. Central Subtropical Atlantic: An area of low pressure is expected to develop along a frontal boundary over the central subtropical Atlantic later today or tonight. This non-tropical low is forecast to move southeastward across the central subtropical Atlantic over warmer sea surface temperatures during the next few days, and environmental conditions appear conducive for this system to gradually acquire tropical characteristics. A subtropical or tropical storm could form by the latter part of this week, as the system continues moving eastward followed by a turn northeastward by the weekend. * Formation chance through 48 hours...low...20 percent. * Formation chance through 7 days...medium...60 percent. $$ Forecaster Kelly