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• mwr_2024_07_for_print_v1.pdf

  of July 2024 as daily totals. The daily rainfall is the total from 0900UTC on the day in question to 0900UTC the following day. Mon Tue Wed Thu Fri Sat Sun Monthly atmospheric circulation Mean sea level pressure These charts show the monthly mean sea level pressure for July 2024 for the UK and north

• mwr_2023_06_for_print.pdf

  in question to 0900UTC the following day. Mon Tue Wed Thu Fri Sat Sun Monthly atmospheric circulation Mean sea level pressure These charts show the monthly mean sea level pressure for June 2023 for the UK and north Atlantic, based on the ERA5 reanalysis (Hersbach et al, 2019), both as actual values

• mwr_2023_06_for_printpdf

  in question to 0900UTC the following day. Mon Tue Wed Thu Fri Sat Sun Monthly atmospheric circulation Mean sea level pressure These charts show the monthly mean sea level pressure for June 2023 for the UK and north Atlantic, based on the ERA5 reanalysis (Hersbach et al, 2019), both as actual values

• Factsheets

  in temperature and humidity. Air masses are separated by transition zones or boundaries that may be more sharply defined - these are called fronts. Air masses and weather fronts (Factsheet 10) 11. Interpreting weather charts On a weather chart, lines joining places with equal sea-level pressures are called

• Microsoft Word - mwr_2023_11_for_print.docx

  These charts show the monthly mean sea level pressure for November 2023 for the UK and north Atlantic, based on the ERA5 reanalysis (Hersbach et al, 2019), both as actual values and as an anomaly relative to the November long term average. These charts provide an indication of the weather characteristics

• Microsoft Word - mwr_2023_12_for_print.docx

  level pressure These charts show the monthly mean sea level pressure for December 2023 for the UK and north Atlantic, based on the ERA5 reanalysis (Hersbach et al, 2019), both as actual values and as an anomaly relative to the December long term average. These charts provide an indication

• mwr_2023_05_for_printpdf

  on the day in question to 0900UTC the following day. Mon Tue Wed Thu Fri Sat Sun Monthly atmospheric circulation Mean sea level pressure These charts show the monthly mean sea level pressure for May 2023 for the UK and north Atlantic, based on the ERA5 reanalysis (Hersbach et al, 2019), both as actual

• Microsoft Word - mwr_2024_02_for_print.docx

  as daily totals. The daily rainfall is the total from 0900UTC on the day in question to 0900UTC the following day. Mon Tue Wed Thu Fri Sat Sun Monthly atmospheric circulation Mean sea level pressure These charts show the monthly mean sea level pressure for February 2024 for the UK and north Atlantic

• Volcanic Ash

  Quantitative Volcanic Ash charts

  London VAAC Quantitative Volcanic Ash charts Quantitative Volcanic Ash charts (QVA) are produced in accordance with International Civil Aviation Organization (ICAO) Annex 3 requirements and are provided as well as the London Volcanic Ash Advisory Graphics (VAG) and Advisories (VAA). The lowest QVA

• mwr_2024_08_for_print.pdf

  rainfall maps - calendar view These maps show daily rainfall for each day of August 2024 as daily totals. The daily rainfall is the total from 0900UTC on the day in question to 0900UTC the following day. Mon Tue Wed Thu Fri Sat Sun Monthly atmospheric circulation Mean sea level pressure These charts show