TYPHOON SIGNAL NO1

The typhoon signal is warning that the Hong Kong observatory announces officially.
The adoption in 1917 was subdivided to ten stages at the beginning because there was a grade in not only the force of the wind but also the wind.
The distinction by the wind was stopped, and it became five stages of 1･3･8･9･10 in 1973.
When "Signal 8" is announced officially, the enterprise and the school is closed.
The securities exchange shuts the books.
The statutory board is closed too.
The operation for the public transportation facility is limited.
The day was "Signal 1".
However, it was a very very heavy rainy day.