The warmer air mass

sinks
and there will be
sunshine and clear
.

3 answers

It seems like you are describing a weather phenomenon associated with a high-pressure system. In this situation, warmer air mass descends (sinks) due to increasing atmospheric pressure, leading to stable conditions that often result in clear skies and plenty of sunshine. High-pressure systems typically suppress cloud formation and precipitation, contributing to fair weather. Is there anything specific you would like to know more about regarding this topic?

is it true or false?

The statement you provided is true. A sinking warm air mass is generally associated with high-pressure systems, which typically lead to sunny and clear weather conditions.