Impact on communities
Other names
Potential solutions
100

The number of atmospheric rivers that have hit Washington in the past year.

What is 45?

100

A phrase referencing a tropical fruit.

What is a Pineapple Express?

100

The name for infrastructure to absorb water into the ground to reduce flooding. 

What is a sponge park?

200

The six-month period during which most atmospheric rivers occur.

What is October through March?

200

A two-word phrase; both parts sound very dangerous!

What is a Bomb Cyclone?

200

The answer from Solutions 100 in Vancouver is able to drain this much water per year. 

What is 17,000 cubic meters?

300
The amount of money in damages California lost in the Feb 2024 atmospheric river.

What is $30 billion?

300

A weather-y sounding phrase describing the immense precipitation.

What are Torrential Rains?

300

The name for water that is able to stay a liquid below freezing temperatures.

What is supercooled liquid water?

400

The fastest reported winds in Washington during the Dec 2025 atmospheric river.

What is 144 mph? 

400

A phrase that seems to describe a very cold whirlpool.

What are Polar Vortices?

400

The substance that is sprayed into clouds as part of cloud seeding.

What is Silver Iodide?