What’s Sea Breeze and Land Breeze?
May 25, 2024
NWS JetStream – The Sea Breeze (weather.gov) Sea breeze and Land breeze are kind of convective current Day time 地球吸熱是greenhouse effect Night time 地球放熱是radiation cooling The sea breeze circulation is composed of two opposing flows; one at the surface (called the sea breeze) and one aloft (which is a return flow). These two
Sunrise, Sunset and Rainbow, Northern lights (aurora borealis)
May 25, 2024
Why sunsets organge? Ans: Scattering effect! How are rainbows formed? – Met Office How Are Rainbows Formed? | Royal Meteorological Society (rmets.org) Northern lights – Met Office
Aircraft Tyre : basic things you need to know!
May 24, 2024
How to change aircraft tyres? What type of gas are used for modern jetliners? Why aircraft’s tyres have no groove, but have straight profiles?
What’s Microbust?
May 23, 2024
Read more – Turbulence v.s Wind Shear – Tommy’s Diaries (tommykwan.com)
What’s Solar insolation?
May 22, 2024
The weather on our mother earth is starting from the energy of the sun. So, how the energy of sun can reach the earth? To more specific, weather is basically the result of temperature differences! Another useful footage for us to learn about the basic background of temperature difference on the earth Read more –
Protected: 10 hours of flight experience
May 21, 2024
There is no excerpt because this is a protected post.
Revision: Do Safety Committee Member need to be appointed? 安全委員會成員要委任嗎?
May 21, 2024
Ref: 第59AF章 《工廠及工業經營(安全管理)規例》 11. 安全委員會的組成等 (1) 按第10條規定設立安全委員會的東主或承建商，須確保 —— (a) 該委員會有至少一半成員(不論他們是被提名的或是選出的)代表在有關工業經營中的工人； (b) 該委員會獲得一份書面陳述，其中列出管限其成員資格、職權範圍及會議程序的規則； (c) 該委員會每3個月至少開會一次；及 (d) 該委員會備存會議紀錄 —— (i) 為期5年或以上，由有關會議紀錄所關乎的會議日期翌日起計； (ii) 並在任何職業安全主任索閱時供其查閱。 (2) 在就某有關工業經營而設立的安全委員會的會議上，只可討論在該工業經營中的工人在工作時的安全及健康方面的事宜。 按上文理解，只要有一份就有關該委員會的書面陳述便可，並無確切指出要Appoint anyone! 然而，僱主要如何澄明僱員是委員會成員就另外唸了~
What’s Trough of Low 「低壓槽」？
May 21, 2024
Ref https://www.hko.gov.hk/en/education/weather/wind-and-pressure/00117-introduction-to-air-pressure-part-ii.html A trough of low pressure is an extended area of low pressure. On the weather chart, it has associated with it a trough line. The pressure there is lower than that at neighbouring points on either side of the trough line. Monsoon low pressure v.s Tropical cyclone
