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• Do changing seasons affect the jet stream?

  influences behind these shifts is the jet stream: a ribbon of fast-moving air high above the Earth’s surface that helps steer weather systems across the North Atlantic. What is the jet stream? The jet stream is a core of strong winds around 5 to 7 miles above the surface, generally blowing from west

• Deep Dive: Understanding this winter’s remarkably persistent weather pattern

  . The resulting weather pattern: systems stuck over the UK With the jet stream displaced, low‑pressure systems emerging from the Atlantic have been steered towards southwest Europe. When these systems reach the UK, another factor comes into play: a block of cold air over Scandinavia. This block prevents

• Open Data Policy

  data services, discover which options may best suit your needs by visiting our data services webpage.  This Policy will be reviewed by BIS (ShEx), Cabinet Office (Transparency Team) and the Open Data Institute (ODI) approved by the Met Office Data Policy Steering Group (DPSG). Any significant

• Deep dive: Understanding an exceptional winter and the weather patterns behind it

  . While early January began with a cold, crisp spell driven by north-westerly winds, the shift to south-easterlies resulted in a weather pattern that became stuck in place for much of the latter part of the season. These winds helped steer moisture‑laden systems toward eastern Scotland, central England

• Microsoft Word - PWS & PWSCG combined Annual Report FY22-23

  of these important Theme 3 Performance Measures. All four deliverables for Theme 3 continue on track. The Citizen Engagement Strategy (D3.0) was delivered in the Autumn, with an implementation plan currently being devised. Despite some resource challenge for D3.2 during the year, it has been steered

• Met Office week ahead: Calm start but turning very wet and windy

  . READ MORE: How does the Met Office work with the energy sector? This developing low is expected to be picked up by the jet stream and steered towards the UK, possibly bringing tropical air with it. However, it will not be the same intense system it was over the tropics. The key question

• Deep dive: why the jet stream is delivering exceptional rain across Europe

  impacting Spain and Portugal. A series of Atlantic lows have been steered towards Iberia in recent days, and this week another large, elongated low has been named Storm Leonardo by the Portuguese Met Service. Although Leonardo will not bring storm‑force conditions to the UK, its impacts across Iberia

• wiser-wcis-into-health-briefing-paper.pdf

  , 2009 21 Fortnam et al., 2020 22 GoK, 2018 23 Kenya Food Security Steering Group, 2020; OCHA, 2020a 24 GERICS, 2016 25 MetOffice, 2011 26 GoK, 2015 27 Grace et al., 2012 28 OCHA, 2020 29 Burgin et al., 2020 30 UK Met Office, 2011; WRI, 2015 31 EM–DAT / CRED, 2020 32 GoK, 2015 WEATHER AND CLIMATE

• Met Office deep dive: The latest on the wind and rain

  is being influenced by the position and strength of the Jetstream, a fast-flowing ribbon of air high in the atmosphere that often steers weather systems towards the UK. This week, the main jet core is situated slightly further south than usual, with a secondary jet streak pushing in from the north

• Met Office Deep Dive: Why September turned soggy and what happens next

  , strong Atlantic jet and a conveyor of lows towards the UK. A deepening Pacific low then forced an extra ripple, steering the jet sharply south there, then north over Canada, and downstream into a squeezed Atlantic trough. That “squeeze” helped a cut‑off upper low to peel away, while a ridge