CP.I.C.K3a
KnowledgeMeteorology applicable to the departure, en route, alternate, and destination under visual flight rules (VFR) in Visual Meteorological Conditions (VMC), including expected climate and hazardous conditions such as:
Atmospheric composition and stability
From the FAA library
- Chapter 12: Weather Theory › Atmospheric Stability › Clouds
Heating of the air near the Earth’s surface creates an air…
- Chapter 12: Weather Theory › Atmosphere › Composition of the Atmosphere
Atmosphere The atmosphere is a blanket of air made up of a mixture of gases that surrounds the Earth and reaches almost 350 miles from the surface of the Earth. This mixture is in constant motion. If the atmosphere were ... eddies, rising and falling air, and waves that travel for great distances. Life on Earth is supported by the atmosphere, solar energy, and the planet’s magnetic fields. The atmosphere absorbs energy from the sun, recycles water and other chemicals…
- 4 The Earth’s Atmosphere › 4.1 Introduction
ATIS when appropriate. Analysis Advisories Forecasts Tools Part 2: Weather Theory and Aviation Hazards 4 The Earth’s Atmosphere 4.1 Introduction The Earth’s atmosphere is a cloud of gas and suspended solids extending from the surface out many thousands ... miles, becoming thinner with distance but always held by the Earth’s gravitational pull. The atmosphere is made up of layers surrounding the Earth that holds the air that people breathe, protects us from outer space, and holds moisture…
- Chapter 12: Weather Theory › Atmospheric Stability
rule of thumb allows for a rough estimate of the wind conditions a few thousand feet above the surface. Atmospheric Stability The stability of the atmosphere depends on its ability to resist vertical motion. A stable atmosphere makes vertical movement ... difficult, and small vertical disturbances dampen out and disappear. In an unstable atmosphere, small vertical air movements tend to become larger, resulting in turbulent airflow and convective activity. Instability can lead to significant turbulence, extensive vertical clouds, and severe weather…
- 24 Observations › 24.6.1.5 Radar Products › 24.6.1.5.2 Composite Reflectivity
WFOs, as well as commercial aviation weather providers. Radar mosaics can be assembled from Composite ReflectivityError! Reference source not found., Base Reflectivity, and Echo Tops, depending on the website or data provider. 24.6.1.5.2 Composite Reflectivity Because the highest precipitation intensity ... altitude, the Composite Reflectivity product (see Figure 24-12) is needed. Composite Reflectivity is the maximum echo intensity (reflectivity) detected within a column of the atmosphere above a location. During its tilt sequence, the radar scans through…
- Chapter 3b: Effects of Weather on Small Unmanned Aircraft Performance › Atmospheric Stability
Atmospheric Stability The stability of the atmosphere depends on its ability to resist vertical motion. A stable atmosphere makes vertical movement difficult, and small vertical disturbances dampen out and disappear. In an unstable atmosphere, small vertical air movements tend ... lead to significant turbulence, extensive vertical clouds, and severe weather. The combination of moisture and temperature determine the stability of the air and the resulting weather. Cool, dry air is very stable and resists vertical movement, which leads to good…