Listen. 1  The signs and symptoms of hypermobile Ehlers-Danlos syndrome vary but may include: 2  Although hypermobile Ehlers-Danlos syndrome is thought to be a genetic condition, the underlying cause is unknown in most cases. A small percentage of people with this condition have a change (mutation) in the TNXB gene.
The right side of the hurricane is the strongest because a hurricane rotates counterclockwise. As a result the wind speed on the right side is the sum of the speed at which the hurricane is rotating and the storm's forward speed.
Hurricanes and typhoons are large and sometimes intensely violent storm systems. In meteorological terms, they are tropical cyclones that have maximum sustained winds of at least 120 km/h (75 mph). Atlantic and eastern Pacific storms are called hurricanes, from the West Indian huracan (big wind), whereas western Pacific storms are called typhoons, from the Chinese taifun, great wind. The primary energy source for a tropical cyclone is the latent heat released when water vapor condenses.