Make a Family Storm Plan
Write a simple home emergency plan with a meeting place, key phone numbers and a supplies checklist, and post a short write-up.
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Nature · Facts & stats · iChallenge network
Daily facts and stats about hurricanes, plus real challenges to put them to work.
What is the minimum sustained wind speed for a Category 1 hurricane?
Winds of 39-73 mph make a tropical storm; 74 mph or more makes a hurricane.

One ranked attempt per day. Practice as much as you like.
Join one, log your days or post your proof. Finishing earns XP and the Finisher badge.
Write a simple home emergency plan with a meeting place, key phone numbers and a supplies checklist, and post a short write-up.
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Record the temperature, sky and wind at the same time each day for two weeks. Check in daily.
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Make a wind vane from paper, a straw and a pencil, use it to find the wind direction and post a photo link or write-up.
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Live counts from HurricaneChallenge.com. All arena stats →
Earned on any arena, shown on your profile everywhere.
Add your email to keep your level, streak and badges if you switch devices, and carry them to every iChallenge arena. One email when you save; no spam.
Fund a prize on HurricaneChallenge.com and your brand sits on the challenge card, the leaderboard and every finisher's share. Prizes only appear once they're funded, so players can trust what they see.
Rotating rounds across ancient to modern, weighted to this site's theme.
Yes — free for classrooms.
Everyone on this arena gets the same five questions each day, from easy to hard. You get one ranked attempt; practice rounds are unlimited.
100 points per correct answer, up to 50 more for answering quickly, a combo multiplier for answers in a row, and 150 bonus points for a perfect round.
Yes. Playing, streaks, badges and leaderboards are free. Some challenges carry a sponsor-funded prize; the challenge card shows it when one is funded.