A recent study suggests that hurricane intensity may be linked to the number of sunspots on the sun. Decrease in the number of sunspots may be related to  increase in hurricane intensity. James Elsner and Thomas Jagger of Florida State University in Tallahassee after examining the past 100 year hurricane records of the United States and Caribbean  conclude that their intensity may be linked to 10 to 12 year solar magnetic activity cycles. Data from the National Hurricane Center, Miami, Florida was used in the study. Sunspots are areas in sun with increased magnetic activity. The number of sunspots vary during the solar cycles. The number of sunspots is predicted by NOAA to  be the lowest in 2008 in a 11 year cycle. This decrease in the number of sunspots may related to increased hurricane intensity on earth. Increased solar activity will allow more ultraviolet rays to reach earth, that can warm the relatively colder upper atmosphere. This decreases the temperature difference between the upper and lower regions of the atmosphere. Decreased solar activity reverses this phenomenon. More the temperature difference between upper and lower atmospheric regions, the higher will be the hurricane intensity.
A recent study suggests that hurricane intensity may be linked to the number of sunspots on the Sun. A decrease in the number of sunspots may be related to an increase in hurricane intensity. After examining the past 100 year hurricane records of the United States and Caribbean , James Elsner and Thomas Jagger of Florida State University in Tallahassee conclude that their intensity may be linked to 10 to 12 year solar magnetic activity cycles. Data from the National Hurricane Center, Miami, Florida was used in the study. Sunspots are areas on the Sun with increased magnetic activity. The number of sunspots vary during the solar cycles. The number of sunspots is predicted by NOAA to currently be the lowest in an 11 year cycle. Increased solar activity will allow more ultraviolet rays to reach Earth, resulting in warming of the relatively colder upper atmosphere. Decreased solar activity reverses this phenomenon. It is believed that the greater the temperature difference between upper and lower atmospheric regions, the higher the hurricane intensity.
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