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..don't forget though it's an 09-09 figure

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Low pressure west of the UK this coming week Central pressure 987hpa to 955hpa in 24hrs A drop of 32hpa A rapidly deepening low pressure system (defined by a central pressure fall of 24hpa or more in 24hrs)

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26C this Tuesday... only 2C above the average height of summer UK maximum temperature 🌡... .. oh hold on a minute (Height of summer being 2 months ago)

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Subsurface sea temperature anomalies in the Equatorial E Pacific have been around 11C above normal recently..the 20C isotherm located well over 50 metres deeper than normal in places Meanwhile ACE accumulated cyclone energy in the N Atlantic is at record lows

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Weekend off but just noticed bbc country file suggesting a night low of 20C SE England mid this week thanks to a deep low pressure out W drawing in S'ly winds Impressive anytime of the yr-truly remarkable for very end of September Over a 24hr period equates to a tropical night

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Met Office - weather and climate @metoffice.gov.uk · 27/09/2026

The mighty El Nino teleconnections in action 1-Tropical E Pacific with very warm waters fuelling many tropical storms currently-hurricane Polo recently sustaining 180mph+ winds 2-Relatively cooler waters/wind shear suppressing Caribbean activity 3-N Atlantic activity shifted N

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Reposted by Marco Petagna

⚠️ Yellow weather warning issued ⚠️ Rain across eastern areas of Northern Ireland NOW until 1400 this afternoon Latest info 👉 bit.ly/WxWarning Stay #WeatherAware⚠️

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Marco Petagna @petagna.bsky.social · 26/09/2026

Often as the Autumn equinox passes we see a step change in low pressure activity in the N Atlantic-seems to be the case currently-a rapidly deepening low pressure to our W next week Another notable step change often occurs with a dip in our temperatures late October...await the outcome of this one

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Marco Petagna @petagna.bsky.social · 26/09/2026

Interesting to see the UKMO model now having a 970hpa low west of the UK 12z Tue when 12hrs earlier it had the low at 949hpa None the less still an impressive 16hpa deepening in 12hrs 986hpa 00z tue- 970hpa 12z tue Being less developed 'allows' it to edge a little closer to us

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Marco Petagna @petagna.bsky.social · 26/09/2026

The nights draw in at pace now...we're losing several minutes of daylight each day, and we're closer to the shortest day of the yr/winter solstice than the longest day/summer solstice... BUT, while we hold onto relatively warm weather it makes all the difference doesn't it?

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A deep low pressure system looks likely to move north just to the west of UK next week 🌬🌧 Obvious model uncertainties regarding its development UKMO had a 978 low to our SW 12z Mon yesterday and more recently 989 Rapid cyclogenesis looks likely with 942hpa low 24hrs later

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So much intense storm activity in the N Pacific at the moment 3 hurricanes and more potential developments Nolo expected to increase to major hurricane status bringing impacts to Hawaii Odalys a cat 4 at sea Polo a monster 180mph cat5 impacting Mexico

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As per @philklotzbach on X & thanks partly to the remarkably strong El Nino 1. ACE (accumulated cyclone energy) in the N Atlantic to Sept 22nd at 6.3, was least on record to date since 1950 Meanwhile 2. ACE in the E N Pacific to Sept 23rd at 200, was 4th greatest to date on record

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Marco Petagna @petagna.bsky.social · 23/09/2026

The date record maximum temperature for the UK on 25th September is 26.9C Southampton 1895 Could see 27 or 28C SE England this afternoon

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One to watch next week Low pressure nearby could bring some wet and windy weather

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Marco Petagna @petagna.bsky.social · 22/09/2026

The central and east tropical Pacific remaining very active storm wise with hurricane Polo having rapidly deepened to a monster category 5 storm

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Marco's Monday Meteorological fact... Did you know that.. With the wind to one's back (the stick figure is facing out of the picture), a low-pressure center (L) will be to one's left, high pressure (H) to one's right (in the Northern Hemisphere) Known as Buys Ballot's Law

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The current El Nino is now record breaking..

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With a high of 25.5C in N Ireland today, it's the latest point in the year on record that the Province has seen such warmth

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