Day: September 7, 2024

Manual on the Observation of Clouds and Other Meteors (WMO)

Home | International Cloud Atlas (wmo.int) 一個學雲既官方網頁~ Read More

點樣決定掛8號波? (天文台測風站)

Ref 發出3號和8號信號的參考指標|香港天文台(HKO)|熱帶氣旋 Information at 2024 Sept   Read More

What’s adiabatic?

Reference Adiabatic process – Wikipedia No heat transfer (= heat does not enter or leave the system) A type of thermodynamic process that occurs without transferring heat or mass between the thermodynamic system and its environment.   What’s Adiabatic expansion (and Adiabatic cooling)? What’s Adiabatic Compression (Adiabatic Heating)? Read More

What’s Anabatic wind , Katabatic wind?

Ref Anabatic Wind | SKYbrary Aviation Safety, Katabatic Wind | SKYbrary Aviation Safety   Air flow travelling up a facing slope of an orographic surface (eg. hill, mountain). A cold flow of air travelling down an orographic slope (eg. hill or mountain).   Please be reminded that Katabatic wind does not heat up adiabatically! 而Anabatic Read More

wpChatIcon