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• Fine start before heavy rain and thunderstorms become increasingly likely this week

  pic.twitter.com/tI0jJufaVf — Met Office (@metoffice) August 23, 2026 Local rainfall totals of 20 to 30mm within three to four hours are possible, while cumulative totals of 40 to 60mm may develop in some locations. Much of the uncertainty relates to where areas of thunderstorms develop, meaning rainfall

• hazard-manager-weather-warningspdf

  , all the information relating to the warnings such as the text, validity time, matrix etc. can be viewed. In the example below the user has selected a yellow warning of fog to view the details of the warning. (fig 6) 4 Fig 6: Yellow warning of fog for Sunday selected Fig 7: Warnings map view

• Memo

  ; the supercomputer procurement process and the strategic actions with dependencies linked to this programme; and NetWork Rail’s Weather Action Task Force. • The Board discussed issues relating to ECMWF and the future hosting of and involvement in EU funded programmes. • The Board discussed risks around potential

• WorkStationEvalsFourthRoundUpdMOG-3

  ] Objective 7: Demonstrate retrieval of valid ASHTAM and NOTAMS relating to volcanic ash 1 . [COMPLIANT/NON-COMPLIANT] ii) Prompt users of the arrival of a SIGMET, SPECI, ASHTAM and NOTAM related to volcanic ash. Objective 1: Demonstrate alerts of received SIGMETs. [COMPLIANT/NON-COMPLIANT] 1

• guide_to_nma_data_collectionscompressedpdf

  for further details. In addition to records for England and Wales the archive in Exeter also holds a large amount of International Data. This relates mainly but not exclusively to countries which have, or have had, an element of British Governmental involvement. For further details see

• guide_to_nma_data_collections.compressed.pdf

  for further details. In addition to records for England and Wales the archive in Exeter also holds a large amount of International Data. This relates mainly but not exclusively to countries which have, or have had, an element of British Governmental involvement. For further details see

• Record-breaking heat rewrites May temperature records across the UK

  temperatures in excess of 30°C. Counties including Oxfordshire, Surrey, Bedfordshire and Cambridgeshire all saw stations record new maximum records well into the low and mid-30s. In total, 163 stations broke their May maximum temperature records. For example, temperatures reached 33.4°C at Oxford and 33.8°C

• Microsoft Word - 2023_05_september_heatwave.docx

  temperature records for 100+ year stations Station Maxtemp (°C) Date Previous record (°C) Previous date Record length (years) Armagh, County Armagh 27.9 8 Sep 2023 27.6 1 Sep 1906 157 Lerwick, Shetland 20.7 8 Sep 2023 19.4 7 Sep 1953 109 Wisley, Surrey 33.1 9 Sep 2023 31.1 4 Sep 1929 109 Balmoral

• Will we finally see some meaningful rain this week?

  than soaking deeply into the soil. The scale of the recent dry spell is illustrated by the number of locations still recording exceptionally long runs without significant rainfall. Wisley in Surrey has recorded 61 consecutive dry days, while Heathrow and Odiham have each gone 55 days without

• What's in store for the next week: An active jet stream fuels more changeable weather

  the Northern Hemisphere are now fuelling a more active jet stream, which will play a central role in shaping the weather over the coming days. The week begins with noticeably cooler air in place, following the departure of the weekend’s heat, which peaked at 33°C in Surrey. That heatwave culminated