Infant botulism signs and symptoms may include: Botulism is caused by botulinum toxin, a poison produced by the bacterium Clostridium botulinum. The organism is common in the soil and exists in untreated water, and can survive in this environment as a resistant spore.
The eye is surrounded by the eyewall, the roughly circular ring of deep convection which is the area of highest surface winds in the tropical cyclone. The eye is composed of air that is slowly sinking and the eyewall has a net upward flow as a result of many moderate - occasionally strong - updrafts and downdrafts.
Hurricanes are intense storms that originate in the Tropics. Hurricanes begin life as a small gathering of unorganized storms which gain energy from the heat of the ocean water. If certain conditions in the atmosphere are present, the gathering of individual clouds will begin to organize into a single storm.