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Unit 29 - Metorology

Go!

Criteria to pass

M1

P1

D1

Produce a coordinated severe weather awareness guide for an airport or airline

Discuss the types of adverse weather that may affect aviation operations in the UK

Describe the air masses that affect the UK, their origins and routes

P2

M2

Present a detailed weather forecast based on Met Office data

Explain how significant weather features aff ect the UK as a result of air masses and local influences

P3

Interpret synoptic weather charts and aviation weather reports produced by the Met Office

Describe the air masses that affect the UK, their origins and routes -P1-

There are several air masses that affect the UK. These are Polar Maritime (cold, moist air), Artic Maritime (cold, moist air), Polar continental (cold, dry air), Tropical continental (warm, dry air), Tropical Maritime (warm, moist air), Returning Polar maritime (mild, moist).

      1. Polar Maritime originates from the Artic Sea, Canada, and Greenland, and it is most common in the north and west of the country. Some of the characteristics include frequent showers at any time of the year.
      2. Arctic Maritime originates from the Artic. Most common in the north of the country, and its characteristics include wet, cold air and snow in the winter.
      3. Polar continental originates in central Europe, and it is most common in the East and North East of the country. Some of its characteristics include bringing hot air making it a dry summer, and cold air bringing snow during the winter.
      4. Tropical continental originates from North Africa. It is most common in the south and central of the country. Its characteristics id hot, dry air during summer.
      5. Tropical Maritime originates from the Atlantic. Tropical Maritime is most common in the southwest of the country. Its characteristics include warm moist air, clouds, rain and mild weather.
      6. Returning Polar maritime originates from Greenland and North Atlantic. It is most common in the west of the country. Its characteristics are moist, mild and unstable air, bringing clouds and rain showers.

Explain how significant weather features affect the UK as a result of air masses and local influences -P2-

Significant weather features in the UK are influenced by air masses and local influences, which play a crucial role in shaping the country's weather patterns. Here's an explanation of how these factors interact and impact the weather in the UK. Air Masses: An air mass is a large body of air with similar characteristics, such as temperature, humidity, and stability. In the UK, four main air masses affect the weather: Polar Maritime, Tropical Maritime, Polar Continental and Tropical Continental. The Polar Maritime Air Mass originates in the Poles and travels over the Arctic Sea. Therefore, it brings cold and wet weather. The Tropical Continental air mass forms in the tropics and travels over land, getting hot and dry weather in the UK. Local Influences: Besides air masses, several local influences also impact the UK's weather—for example, Topography, oceanic influences, Urban Heat Island effect. Topography is about the UK's diverse landscape, including hills, mountains, and coastal areas, which affect the movement of air masses. Oceanic influences about the UK's proximity to the Atlantic Ocean influence its weather. Urban Heat Island effect is about Urban areas with extensive concrete and asphalt surfaces that absorb and retain more heat, leading to localised warmer temperatures compared to surrounding rural areas. Understanding the interplay between air masses and local influences helps meteorologists predict and analyse the weather, providing valuable information for planning and decision-making in various sectors like agriculture, transportation, and emergency services in the UK.

Interpret synoptic weather charts and aviation weather reports produced by the Met Office -P3-

Synoptic weather charts, also known as surface weather maps, are graphical representations of current weather conditions in a particular region or a larger area. These charts display meteorological data such as atmospheric pressure patterns, wind speed and direction, temperature, humidity, and precipitation. Understanding and interpreting synoptic weather charts involves analysing the symbols, contours, and patterns to assess the present and future weather conditions. Temperature, pressure and winds are all in balance and the atmosphere is constantly changing to preserve this balance. This is why the UK sees such changeable weather. Synoptic weather charts play a crucial role in the aviation industry as they provide essential information for flight planning, route selection, and overall flight safety. Some ways which synoptic weather charts are related is through flight planning, Weather Avoidance, Decision-Making During Flight, Airport Operations and Weather Briefings. For flight planning Pilots and flight dispatchers use synoptic weather charts to gather information about current and forecasted weather conditions along the intended flight route. Further more weather avoidance, Synoptic Weather charts help pilots identify and avoid hazardous weather conditions that could affect the safety of the flight. Aviation weather reports from the Met Office provide crucial information to pilots and aviation professionals for flight planning and safety. These reports contain specific meteorological data tailored for aviation purposes. There are 3 main type of reports which are METAR (Meteorological Aerodrome Report), TAF (Terminal Aerodrome Forecast) and SIGMET (Significant Meteorological Information). METAR reports provide current weather observations at an aerodrome. TAF reports offer weather forecasts for aerodromes over a specific time period, usually up to 24 or 30 hours. SIGMET reports are issued to warn pilots about significant weather hazards that could affect flight safety, such as severe turbulence, icing, volcanic ash, or tropical cyclones.

Discuss the types of adverse weather that may affect aviation operations in the UK -M1-

.The United Kingdom experiences adverse weather conditions that can significantly affect aviation operations. Fog and low visibility are common, particularly during autumn and winter, leading to flight delays and diversions. Snow and ice can make surfaces slippery, impacting aircraft performance and requiring de-icing procedures. Strong winds, often present during winter storms, pose challenges for takeoff and landing, necessitating wind-related restrictions and potential flight diversions. Additionally, showers and thunderstorms bring risks such as reduced visibility, wind shear, and the potential for hail or lightning strikes. Low cloud ceilings and poor visibility due to rain, mist, or haze can limit pilots' visual cues during takeoff, landing, and taxiing, causing delays and diversions when fog combines with cool temperatures; freezing fog results in ice crystal formation on aircraft surfaces, further complicating operations. Coastal areas are susceptible to specific types of moisture, known as sea fog or advection fog, affecting flights departing from or arriving at coastal airports. Finally, hailstorms can cause significant damage to aircraft, particularly engines and windshields, prompting airports to halt operations or divert flights to avoid potential harm. Aviation authorities closely monitor conditions and employ safety protocols to mitigate risks associated with adverse weather, ensuring the safety of passengers and crew. These measures include implementing low visibility procedures, de-icing aircraft, implementing wind-related restrictions, rerouting flights to avoid severe weather areas, and closely monitoring fog and hailstorm risks. Overall, adverse weather conditions in the UK necessitate careful monitoring and adaptation to ensure aviation activities' safe and efficient operation.

Present a detailed weather forecast based on Met Office data -M2-

Do you need more reasons to create dynamic content? No problem! 90% of the information we assimilate reaches us via sight and, what’s more, we retain 42% more information when the content moves.

Answer to the P1)

Do you need more reasons to create dynamic content? No problem! 90% of the information we assimilate reaches us via sight and, what’s more, we retain 42% more information when the content moves.

-D1-

Weather awareness guide

Severe weather events can significantly impact airport operations and airline services. It is crucial for airports and airlines to be prepared and have a coordinated plan to ensure the safety of passengers, employees, and assets. This severe weather awareness guide provides essential information and guidelines for airports and airlines to effectively manage and respond to severe weather conditions.

Emergency Response Plan

Communication and Coordination

Weather Monitoring and Alert Systems

  • Establish a clear chain of command and communication channels to disseminate weather-related information to all stakeholders promptly
  • Coordinate with local weather agencies, air traffic control, and other relevant authorities to share weather updates and collaborate on decision-making processes
  • Develop a comprehensive emergency response plan specifically tailored to address severe weather scenarios
  • Identify key personnel responsible for implementing the plan and ensure they are trained and equipped to handle emergencies
  • Install and maintain reliable weather monitoring systems to receive real-time updates on weather conditions.
  • Subscribe to reliable weather alert services and establish communication channels to receive timely notifications about severe weather events

Aircraft Safety and Maintenance

Ground Operations and Facility Preparedness

Passenger Safety and Communication

  • Develop a robust system to communicate severe weather alerts and updates to passengers. This can include text message notifications, public address announcements, and updates on the airport or airline website
  • Clearly communicate safety protocols and evacuation procedures to passengers, both before and during severe weather events
  • Implement regular inspections and maintenance programs to ensure aircraft are in optimal condition to withstand severe weather conditions
  • Establish protocols for the safe storage, grounding, or relocation of aircraft during severe weather events
  • Secure loose objects, equipment, and signage that could become hazardous during high winds or severe storms
  • Conduct regular inspections of runways, taxiways, and other airport infrastructure to identify and address potential vulnerabilities