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A two-stage warning system was long-established in China for tropical cyclones of tropical storm intensity of above. [14] Nowadays, the use of this system is restricted to coastal waters only. Thus, warnings may be discontinued even if a cyclone is maintaining tropical storm intensity inland.
A tropical storm warning is issued when tropical storm conditions are possible within the watch area, generally within 36 hours. Tropical storms' winds are between 39 and 73 mph.
For southeast Florida, including Palm Beach County, the National Weather Service in Miami says there is up to a 20% chance of sustained tropical storm-force winds of 39 mph or higher on Thursday.
Storm warning flag (US) At sea, a storm warning is a warning issued by the National Weather Service of the United States when winds between 48 knots (89 km/h, 55 mph) and 63 knots (117 km/h, 73 mph) are occurring or predicted to occur soon. The winds must not be associated with a tropical cyclone. [1]
A simultaneous hurricane watch and tropical storm warning means tropical storm with sustained winds of 39 to 73 mph will likely hit your area within 48 hours. However, it also means the weather ...
A hurricane local statement (HLS) [1] is a weather statement produced for the public by the local Weather Forecast Offices of the National Weather Service in the U.S. for areas affected or forecast to be affected by a tropical storm or hurricane that provides an overview of the storm's local effects, including expected weather conditions, evacuation decisions made by local officials, and ...
Areas along the southwest coast of the state from East Cape Sable to Bonita Beach are under a tropical storm warning, meaning tropical storm conditions are expected within the next 36 hours.
Tropical cyclone track forecasting involves predicting where a tropical cyclone is going to track over the next five days, every 6 to 12 hours. The history of tropical cyclone track forecasting has evolved from a single-station approach to a comprehensive approach which uses a variety of meteorological tools and methods to make predictions.