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forecasts of ’blended * ’ en-route aviation hazard data. ( * combined WAFC London & Washington hazard data ) The table below shows the percentage of complete datasets available on SADIS by 05:00 over the last 4 months. Performance measure: ≥ 99.2 percent of complete data. October 2025 November 2025

are the warmest months in the region with mean daily maxima reaching up to 19 °C in southern Dumfries and Galloway and the Clyde valley. These may be compared with 23.5 °C in the London area. Instances of extreme high temperatures are rare. Average annual rainfall totals range from less than 1000 mm

(9.5 to 9.9 °C) compared to cooler inland areas (8.0 °C and 9.4°C). July and August are the warmest months in the region with mean daily maxima reaching up to 19 °C in southern Dumfries and Galloway and the Clyde valley. These may be compared with 23.5 °C in the London area. Instances of extreme high

island effect, which results in higher urban temperatures compared with surrounding rural areas. WHAT AFFECTS THE REGION’S WEATHER? Reading is located within the ‘Southern England' region of the UK which includes Greater London and other urban areas including Reading and Brighton. Here are some

, or rather, just above it. Swarms of flying ants were picked up on radar, appearing as strange, flashing echoes particularly northwest of London. These were initially mistaken for showers, but closer inspection revealed their true identity. Radar works by emitting electromagnetic beams that reflect

.2018.02.024, 2018. Hernández-Paniagua, I. Y., … O’Doherty, S., et al.: Diurnal, seasonal, and annual trends in tropospheric CO in Southwest London during 2000–2015: Wind sector analysis and comparisons with urban and remote sites, Atmos. Environ., 177, 262–274, doi:10.1016/j.atmosenv.2018.01.027

recorded temperature was 34.5 o C at Heathrow, London on 21 st June. This was the most notable June heatwave since 1976 and the map on page 18 shows widespread maxima above 30 o C across central and southern England in 2017. The summer days index is a count of days where the maximum temperature

GMT, from the powerful Air Ministry station G.F.A. in London, on a wavelength of 4,100 metres using CW (continuous wave) transmission, a for of morse code, which was capable of being received at a distance of up to 2,400 miles to the west and some 2,000 miles to the south. Figure 3. Sea areas

considerable expansion. The various records it produced were stored in a haphazard manner at various locations in London, Dunstable and Harrow, with different divisions within the Office having responsibility for different records. Fig. 3. Met Office Record Store in 1950s at Dunstable. However, in 1955

MINUTES PWSCG (46) Meeting 10:00 – 14:30 Wednesday 24 th April 2019 Conference Centre, 1 Victoria Street, London, SW1H 0ET Attendees Wyn Williams (WW) Denise Harker (DH) James Cross (JC) Colin Hord (CH) Nick Davies (ND) Nathan Travis (NT) Emer O’Connell (EO) Ian Hoult (IH) Paula English (PE