# It's raining

# Act 1

Video of raining:

- How far is the storm?
- How much did it rain?

# Act 2

## How much did it rain?

- We put the watering can to filling up
- We obtained these mesures: weight of the water and the volume of the water inside watering can
- Dimensions of watering can: radious (zoom), cover, angle of the cover, length (zoom)
- Can you find how much it rained (in liter per square meter)?

## How much did it rain? bis

- If we know the records of near weather stations, can we estimate how much did it rain in our house?
- In what time this method would not be applicable? How many points (weather stations) do we need to apply this method?
- Can you apply it here (press on the image to get an interactive map with rainfalls)

Can you estimate how much did it rain in red point?? The raw data is available here^{1}.

## How far is the storm?

- Speed of light [2]
- Speed of sound [3]
- Can we find the distance between our house and storm if we know that there is a gap of \(n\) seconds between thunder and lightning?

# Referencies

[1] AEMET. *Precipitación 00-24h (mm) en jueves, 6 de octubre de 2016*. 2016. http://www.aemet.es/es/eltiempo/observacion/ultimosdatos?k=bal&w=2&datos=img&x=d05&f=pre_0024.

[2] Wikipedia. *Speed of light*. 2016. https://en.wikipedia.org/wiki/Speed_of_light.

[3] Wikipedia. *Speed of sound*. 2016. https://en.wikipedia.org/wiki/Speed_of_sound.