Sizes and updrafts: why bigger hail needs stronger storms

World 4: Hail is part of PRO

The first world of Storm Chaser is free. PRO opens the other 22 lessons in 6 worlds — simulations, quizzes and all.

• 🔒 Growing a hailstone: up and down the updraft
• 🔒 Hail, sleet, graupel and freezing rain: telling them apart
• 🔒 How weather radar works: echoes from raindrops
• 🔒 Reflectivity: reading dBZ colours
• 🔒 Doppler velocity: which way is it moving?

$8.33/mo, billed yearly ($99.99) · or $39.99 monthly