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Tropical cyclones may affect the area within 48 hours. Blue typhoon alert It may be affected by tropical cyclones within 24 hours, the average wind power can reach above level 6, or gusts above 7; or it has been affected by tropical cyclones with an average wind power of 6–7, or gusts of 7–8, and may continue. Yellow typhoon alert
Location: 740 miles west-southwest of the Cabo Verde Islands. Maximum sustained winds: 50 mph. Movement: west at 12 mph Spaghetti models for Tropical Depression 12 At 11 a.m. EDT, the center of ...
Tropical Storm Isaac was located about 515 miles north-northwest of the Azores on Monday morning, and a turn toward the northwest at a similar forward speed is expected on Tuesday, the center said ...
According to the weather service's Wednesday, Aug. 21, advisory, no tropical cyclone activity is expected throughout the week, but the hurricane center did report there are four tropical waves in ...
A severe tropical storm is designated as a tropical cyclone when it reaches wind speeds of 64 knots (119 km/h; 74 mph). If a tropical cyclone intensify further and reaches wind speeds of 90 knots (170 km/h; 100 mph), it will be classified as an intense tropical cyclone.
The radius of maximum wind of a tropical cyclone lies just within the eyewall of an intense tropical cyclone, such as Hurricane Isabel from 2003. The radius of maximum wind (RMW) is the distance between the center of a cyclone and its band of strongest winds. It is a parameter in atmospheric dynamics and tropical cyclone forecasting. [1]
A tropical storm watch is an announcement that sustained winds of 39 to 73 mph are possible within the specified area within 48 hours in association with a tropical, subtropical, or post-tropical ...
The TCWS system is a tiered system (from TCWS #1 to #5) that allows for the escalation, de-escalation or lifting of wind signals in every TCB issuance depending on the tropical cyclone wind intensity, the extent of tropical cyclone winds (i.e. radius of tropical cyclone wind circulation) and the forecast direction and speed of movement of the ...