Nature's Wildest Days
Like Duolingo, but for Nature's Wildest Days. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
For the part of you with thirty open tabs that never became anything.
Free during early access · No credit card · iPhone & Android

Key ideas in Nature's Wildest Days
- A supercell storm
- Wind shear
- Horizontal tube
- Vertical position
- Updrafts provide the lift to turn horizontal rotation vertical
- Identify the specific air masses and conditions required for supercell development
- The updraft connects the rotating air to the storm's base
- The process of converting horizontal rotation into a vertical funnel
- Air in the eye is sinking rather than rising
- Rising warm air creates a vacuum effect that lowers surface pressure
- Sinking air inhibits cloud formation and precipitation
- The pressure gradient drives the inward rush of wind toward the center
- The mechanical sequence of the hurricane heat engine
- The lowest barometric pressure is found at the exact center
- The eyewall contains the most violent pressure gradients
- Why the eye of a hurricane is clear and calm compared to the eyewall
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives Nature's Wildest Days the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
Here's what playing it feels like
A real question from this course. Take your best guess.
What kind of big, powerful storm is born when warm air from the Gulf meets cold mountain air?
Get it right to open this lesson and 25 more in the app.
Where Nature's Wildest Days takes you
Discover the incredible power of our planet's most intense weather events. Learn how wind, water, and heat transform from gentle breezes into record-breaking storms.
- 1
The Power of Wind and Air
- How a Tornado is Born
- The Calm Center of a Hurricane
- Dust Storms That Hide the Sun
- Measuring the Strength of a Storm
- 2
Water and Ice from Above
- When Rain Becomes a Flood
- Ice Balls Falling from the Sky
- The Science of a Whiteout Blizzard
- Monsoons and the Changing Seasons
- Why Lightning Bolts Crackle
- The Sound of Thunder
- 3
Heat and Dry Spells
- When the Ground Cracks in a Drought
- How Heat Waves Affect Our Bodies
- Firestorms and Hot Winds
3 sections · 13 units · 26 levels. Built to play, not to enroll.
You pick the voice
Nature's Wildest Days is taught in the Explain Like I'm 5 style: no big words. promise.. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
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Start Nature's Wildest Days today.
Download Tomo, search Nature's Wildest Days, and play your first lesson in under a minute.