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  2. Helene updates: Evacuations ordered, Jim Cantore in Florida ...

    www.aol.com/helene-live-updates-tropical-storm...

    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 ...

  3. Storm tracker: National Hurricane Center tracking Tropical ...

    www.aol.com/storm-tracker-national-hurricane...

    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.

  4. National Hurricane Center tracking 4 tropical waves as we ...

    www.aol.com/national-hurricane-center-tracking-4...

    No tropical cyclone activity is expected, but weather experts did were monitoring 4 tropical waves in the Atlantic as we near peak of hurricane season

  5. Radius of maximum wind - Wikipedia

    en.wikipedia.org/wiki/Radius_of_maximum_wind

    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]

  6. Tropical cyclone intensity scales - Wikipedia

    en.wikipedia.org/wiki/Tropical_cyclone_intensity...

    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.

  7. Tropical cyclone warnings and watches - Wikipedia

    en.wikipedia.org/wiki/Tropical_cyclone_warnings...

    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

  8. Storm tracker: Tropical Storm Helene forms, expected to make ...

    www.aol.com/storm-tracker-potential-tropical...

    A Tropical Storm Watch has been issued for the Gulf Coast of Florida from Indian Pass to the Walton/Bay County Line and from north of Bonita Beach to south of Englewood, in addition to the Middle ...

  9. Maximum sustained wind - Wikipedia

    en.wikipedia.org/wiki/Maximum_sustained_wind

    In most tropical cyclone basins, use of the satellite-based Dvorak technique is the primary method used to estimate a tropical cyclone's maximum sustained winds. [5] The extent of spiral banding and difference in temperature between the eye and eyewall is used within the technique to assign a maximum sustained wind and pressure. [6]