Section5Slides_v1

Section5Slides_v1 - Horizontal Convergence Large-scale air...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Horizontal Convergence • Large-scale air mass convergence (typically occurs in Tropics [Inter Tropical Convergence Zone (ITCZ)]-- see atmos. circ. schematic • Also occur in tropical cyclones (low pressure systems): • High pressure systems have the opposite circulation (anti- cyclones) and downwelling motion • Subtropical cyclones also form at higher latitudes L Plan: Cross-section:
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Frontal Convergence • Convergence of air masses with different temperatures (temperature fronts); generally occur in midlatitudes • “Front” is region of strong thermal contrast • Cold front: colder air approaching warmer; labeled with pointed arrow indicating ±ow direction • Warm front: warmer air approaching colder; labeled with rounded arrow indicating ±ow direction • Fronts collide and de±ect warmer air rises
Background image of page 2
How to Read a Surface Map Surface maps depict the large-scale elements of the weather. These elements include high and low pressure systems, cold and warm fronts, and precipitation areas.A high pressure system is an
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 14

Section5Slides_v1 - Horizontal Convergence Large-scale air...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online