Hurricane Dorian, Is The Media Hyping the Wind Speed?

Included here is some of the data on wind speed.

No one none of the talking heads NOAA none are telling you the wind speed at the surface I will be keeping an eye on the surface buoys and live video on location, notice the option to look at surface speed verses at altitude

Definition of Category 5 wiki

Notice 33ft off the surface


The scale separates hurricanes into five different categories based on wind. The U.S. National Hurricane Center classifies hurricanes of Category 3 and above as major hurricanes, and the Joint Typhoon Warning Center classifies typhoons of 150 mph or greater (strong Category 4 and Category 5) as super typhoons (although all tropical cyclones can be very dangerous). Most weather agencies use the definition for sustained winds recommended by the World Meteorological Organization (WMO), which specifies measuring winds at a height of 33 ft (10.1 m) for 10 minutes, and then taking the average. By contrast, the U.S. National Weather Service, Central Pacific Hurricane Center and the Joint Typhoon Warning Center define sustained winds as average winds over a period of one minute, measured at the same 33 ft (10.1 m) height,[10][11] and that is the definition used for this scale. Intensity of example hurricanes is from both the time of landfall and the maximum intensity.

The scale is roughly logarithmic in wind speed, and the top wind speed for Category “c” (c = 1 … 4; there is no upper limit for category 5) can be expressed as 83×10(​c15) miles per hour rounded to the nearest multiple of 5 – except that after the change mentioned above, Category 4 is now widened by 1 mph in each direction and that the calculated value for Category 2 (c = 2) is rounded down from 112.8 mph to 110 mph.

Saffir-Simpson Hurricane Wind Scale

NOAA definition missing the important piece of information about 33 ft off the surface.

At the writing of this blog here is buoy data for Bahamas


Leave a Reply

Your email address will not be published. Required fields are marked *