• a hurricane-sized cyclonic storm over 1500 kilometres in diameter was spotted near the Martian north pole in 1999?

Facts on topics related to Cyclonic storm

Hurricane

• 1998's Hurricane Karl was one of four simultaneous hurricanes in the Atlantic Ocean at one time, the first such occurrence since 1893?
• Hurricane Audrey, which killed 390 in Louisiana in 1957, was one of the first hurricanes observed by weather radar?
• after a recent re-analysis, a hurricane in 1924 was found to be the earliest known Category 5 hurricane on the Saffir-Simpson scale, as well as the strongest hurricane on record to strike Cuba?
• despite being the first official Atlantic hurricane season on record, the 1851 Atlantic hurricane season included a hurricane that is tied for the longest on record for the period prior to 1870?
• most strong hurricanes that have struck South Florida since 1900 have passed through one of two Hebert boxes on their way to landfall?
• the 1959 Mexico Hurricane is the only known East Pacific hurricane to make landfall as a Category 5?
• the recent Hurricane Humberto (pictured) formed into a hurricane and made landfall faster than any other tropical cyclone on record?
• the USS Grebe survived both World War I and the attack on Pearl Harbor, only to be destroyed by a hurricane in 1943?
• the concept of hurricanes as "a moving vortex" was first developed by John Farrar after the Great September Gale of 1815?
• the town of La Balize, Louisiana, at the mouth of the Mississippi River, was rebuilt several times after 1699 because of hurricanes before it was destroyed and abandoned around 1860?