What is the calm centre of a hurricane called?
AnswerThe eye
The eye is a relatively calm, often clear area surrounded by the violent eyewall.
Nature · Facts & stats
Hurricane facts & stats
7 fact-checked facts about hurricanes, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
In the Northern Hemisphere, which way do hurricanes spin?
AnswerCounterclockwise
Because of Earth's rotation, storms turn counterclockwise in the Northern Hemisphere and clockwise in the Southern.
Going deeper
Hurricanes need warm ocean water of at least about what temperature to form?
AnswerAbout 26.5°C (80°F)
Sea surface temperatures of roughly 26.5°C or more supply the heat and moisture that fuel tropical cyclones.
The official Atlantic hurricane season runs from June 1 to which date?
AnswerNovember 30
The Atlantic season is defined as June 1 to November 30.
What is a 'storm surge'?
AnswerA rise in sea level pushed ashore by a storm
Strong winds and low pressure pile up ocean water that floods coasts, often the deadliest hazard of a hurricane.
Expert level
Category 5 hurricanes have sustained winds of at least what speed?
Answer157 mph (252 km/h)
Category 5, the top of the Saffir-Simpson scale, begins at 157 mph.
The deadliest natural disaster in US history was a hurricane that struck which city in 1900?
AnswerGalveston, Texas
The 1900 Galveston hurricane killed an estimated 6,000 to 12,000 people.
Know these cold?Today's round is five questions like these, 20 seconds each. Your streak and level follow you to every arena.Play today's round