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this service has developed over time and provided an update on recent progress made on upgrades to WAFS data, as determined by ICAO. Mark informed the group that in January 2025, WAFS charts will move from being hand drawn by a Forecaster, to an automated system and their format will change, this has

, with the Jetstream acting as a boundary between settled and unsettled conditions. Unsettled weather is on the way later this week - here's an overview ⤵️ pic.twitter.com/3BnrNp7laS — Met Office (@metoffice) September 30, 2025 The satellite perspective: Tracking the storm Over recent days, the storm

over the period March to September 2012 provided good guidance on the ACE index with observed values inside the predicted range for all forecasts issued, apart from July. Predictions of tropical storm numbers were within the predicted range from forecasts issued in March, August and September

Global Outlook – Temperature Global Outlook – Rainfall OFFICIAL Climate Outlook Asia: August to May OFFICIAL Asia Current Status and Outlook - Temperature Current Status: Warm or hot conditions have dominated over the past three months, although parts of India, Pakistan, China and mainland Southeast

, and can thus all contribute regardless of the structure of individual forecast systems. The parameters to be verified are defined on three levels: Level 1: Diagnostic measures aggregated over regions and for indices, Level 2: Diagnostic measures evaluated at individual grid points, Level 3

Temperature, precipitation and humidity and their extremes can have a major impact on our lives. Observational datasets are used to monitor land and atmospheric climate variables, to understand how the climate has changed over time and to examine the occurrence of extremes in temperature and heat

for 1961-1990. This climatology period is chosen as it is the WMO standard and widely used in regional climate outlook forums including PRESASS. The five quintile categories are equiprobable over the 1961-1990 climatology period and are referred to as ‘very dry’, ‘dry’, ‘average’, ‘wet’ and ‘very wet

rainfall 4 . New Met Office Hadley Centre research suggests that an abrupt change in Atlantic Ocean circulation would not only lead to widespread northern hemisphere cooling, but also affect global plant productivity. Over Europe, plant productivity reduces over the spring and summer growing season

a weather front associated with the storm. The wettest area was south Wales, with much of the Brecon Beacons National Park recording 100 to 150mm of rainfall over a 2-day period, and up to 200mm across the higher ground. This was one of the most significant extreme rainfall and flood events to affect south

are evaluated using observed JAS rainfall data for 1961-1990. This climatology period is chosen as it is a WMO standard and provides consistency with previous forecasts. The five quintile categories are equiprobable over the 1961-1990 climatology period and are referred to as ‘very dry’, ‘dry