Summary of perceived reality by rainfall amount
🌦 0~4mm: I’m wondering whether to use an umbrella or not
Light drizzle.
A hat or hood can cover it.
You don’t need an umbrella, but it’s better to bring one if you’re going out for a long time.
The road is almost dry.
🌧 5~10mm: “Oh, it’s raining” feeling begins
Water starts to collect on the roads and sidewalks.
Umbrella is a must. Your clothes will start to get wet, so be careful when going out for long periods of time.
Your head and shoulders can get wet right away.
🌧 11~15mm: Puddle warning level
Beware of splashing water underfoot!
The floors of buses and subways are also wet. Shoes and pants can get wet, so it is recommended to wear shoe covers or change your shoes.
It is difficult to completely protect yourself even with an umbrella when the wind blows.
🌧 16~20mm: “It’s raining” → “It’s pouring rain” Perceived
You’ll have to close all the windows.
Even if you use an umbrella, your shoes and pants will definitely get wet. Slippers and shorts are recommended.
Outdoor activities for more than an hour are not recommended.
🌧 21~30mm: Safety precautions required
Even with full wiper operation, it is difficult to secure visibility.
Drivers, reduce speed and prepare emergency lights! Some low-lying areas may begin to flood. Feels like a heavy rain at the level of a water bomb.