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Marco Petagna Profile
Marco Petagna

@Petagna

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Followers
1,348
Following
10,604
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32,696
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BSc MSc Media Advisor & Senior Operational Meteorologist UK Met Office Parent to 2 mini daxies Love running Views & opinions my own petagnamarco on threads

Joined October 2012
Don't wanna be here? Send us removal request.
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@Petagna
Marco Petagna
@Petagna
2 years
To all other weather accounts out there..never feel afraid to post on twitter through fear of receiving harsh, often unjustified comments. If you've got the evidence to support your point your views and opinions are as important and relevant as any one elses 👍 🌞❄🌦🌈🌡🌩🌨☁️
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@Petagna
Marco Petagna
@Petagna
1 year
'From' tomorrow the evenings begin to get lighter 🤗
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@Petagna
Marco Petagna
@Petagna
1 year
Right now -28C Sweden +19C Sicily
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@Petagna
Marco Petagna
@Petagna
4 years
@frankieboyle Unfortunately Frankie while you're safely indoors thousands of people incl my partner who work in key industries aren't & still need to be able to travel to work, drive supplies to supermarkets, fly cargo planes, operate ships, deliver post, etc etc..all rely on weather forecasts
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@Petagna
Marco Petagna
@Petagna
4 months
Please note @metoffice response here...
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@Petagna
Marco Petagna
@Petagna
2 years
Just to say a heart-felt thanks to everyone that takes the time to follow me ~3 yrs ago I decided to use twitter as a platform to interact, share knowledge/experiences in an attempt to try & get more people interested in weather 6000 followers later i guess it might be working 👍
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@Petagna
Marco Petagna
@Petagna
2 years
A big 'HI' from the @metoffice media nightshift 🖐 #workingfromhome
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@Petagna
Marco Petagna
@Petagna
2 years
Yes of course records are there to be broken...but rarely...and in terms of #temperature normally by 0.1 or 0.2 Celsius...to absolutely smash the UK all time temperature record of 38.7C by 1.3 to 2.3 degrees two days running, is absolutely staggering! Graphics from @bbcweather
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@Petagna
Marco Petagna
@Petagna
2 years
Just wanted to say so proud to work with such a great organisation and such a great team of people..the purpose of the @metoffice is 'to help people to make better decisions to stay safe and thrive' #StormEunice certainly seems to be successfully putting all this into action
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@Petagna
Marco Petagna
@Petagna
1 year
We've now passed the final hurdle in the move back towards lighter days The earliest sunset was mid December The shortest day was Dec 21st And today was the latest sunrise.. All roads now point towards Spring and summer...oh and a more natural in take of vitamin D!!😉
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@Petagna
Marco Petagna
@Petagna
3 years
Overwhelming & incredible support from the main runs of both GFS & EC & from all of their ensemble outputs for: 1. An #SSW sudden stratospheric warming event to occur in next week or so 2. For a MAJOR event to occur...reversal of #SPV #wind to E'ly 3. For event to be prolonged 😲
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@Petagna
Marco Petagna
@Petagna
2 years
The @metoffice will start using the reference period 1991 to 2020 as the ‘normal’ for routine UK climate monitoring products in January. Here's a peek at how average annual temperatures have changed across the UK over the past 4 such reference periods..quite a dramatic warming!
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@Petagna
Marco Petagna
@Petagna
4 months
One storm departs #StormIsha #STORM Another lies in wait #StormJocelyn
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@Petagna
Marco Petagna
@Petagna
3 years
Wow we've been so lucky with the #weather here in Wales..could have been in the #Caribbean today!..bit warm for the pups walking though Coastal trek Borth-y-Gest to Morfa Bychan and onto Black Rock Sands Beaches lovely and quiet
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@Petagna
Marco Petagna
@Petagna
1 year
GFS predicting a massive reversal in #temperatures N America next 7 days Widespread bitter cold to anomalous warmth ..(the opposite for 'SW' region)
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@Petagna
Marco Petagna
@Petagna
4 years
In memory of my dearest sweetest grandma..Flo Corker, who we so sadly lost today at the ripe old age of 95...rest in peace my lovely xxx
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@Petagna
Marco Petagna
@Petagna
2 years
*Worth stressing if you live within the Amber #wind warning area widely across England & Wales tomorrow, don't take things any less seriously than if in the Red area As the accompany warning matrix shows both suggest high impacts likely, just slightly higher confidence in Red*
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@Petagna
Marco Petagna
@Petagna
3 years
Today's 12z GFS is a real tease.... #BFTE territory 📉 #fantasyforecast ..Worth 👀 though 👀
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@Petagna
Marco Petagna
@Petagna
2 years
Afternoon treat to celebrate 🍾 our 4th wedding anniversary The Ivy Exeter - Restaurant in Exeter, Exeter - Visit Exeter:
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@Petagna
Marco Petagna
@Petagna
3 years
Ready for #winter 'proper' ? It be coming!
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@Petagna
Marco Petagna
@Petagna
2 years
Great explainer here..we need weeks of light rain rather than thunderstorms at the moment, to have much benefit... #Heatwave #extremeheat
@UniofReading
Uni of Reading
@UniofReading
2 years
In this experiment Dr Rob Thompson of @UniRdg_Met shows just how long it takes water to soak into parched ground, illustrating why heavy rainfall after a #drought can be dangerous and might lead to flashfloods. @R0b1et @UniRdg_water
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@Petagna
Marco Petagna
@Petagna
13 days
@afneil Hi Andrew, which Met Office forecast are you referring to exactly?..would love to see it.. I work for the organisation and no forecast I'm aware of was forecasting a sweltering April!
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@Petagna
Marco Petagna
@Petagna
3 months
Beauty of a #sunset here in Exmouth earlier
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@Petagna
Marco Petagna
@Petagna
3 years
Could be some interesting #weather news breaking within the next hour or so....stay tuned in case it happens!...if it does I'll let you know!!... Will leave you hanging for now ! 😂😂
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@Petagna
Marco Petagna
@Petagna
1 year
That's one intense high pressure area developing over Russia next week...
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@Petagna
Marco Petagna
@Petagna
2 years
The metoffice issue the highest possible warning level, a very rare RED warning, long before #StormArwen 's rampage began, with mention of life threatening 80-90mph wind gusts, which WILL severely impact infrastructure, & then you see this...disgraceful & irresponsible reaction..
@NetworkRailSCOT
Network Rail Scotland
@NetworkRailSCOT
2 years
⚠️ #StormArwen is turning out to be worse than forecasted. We've seen several incidents of trains striking trees and branches. For everyone's safety, we're withdrawing services on the routes below for the rest of today: Dundee - Aberdeen Aberdeen - Inverness Inverness - Wick
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@Petagna
Marco Petagna
@Petagna
2 years
Couldn't imagine a much better #weather pattern configuration for #coldweatherfans later next week EC ensembles showing a mid Atlantic-Greenland high linkage with a northerly straight from the Arctic Model output needs 👀 next few days to see if the theme continues!
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@Petagna
Marco Petagna
@Petagna
2 years
16, possibly 17C in the SE tomorrow
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@Petagna
Marco Petagna
@Petagna
2 years
ABSOLUTELY STAGGERING.. In 24 hrs, #Noru has strengthened from 50mph to 155mph, now a super #typhoon Understand this is among the fastest a tropical cyclone has ever intensified in a day Predicted 165mph/Cat 5 intensity, gusts 200mph before reaches Philippines in a few hrs!
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@Petagna
Marco Petagna
@Petagna
1 year
Don't forget to allow a few extra seconds for the kettle to boil today..the very high atmospheric pressure (around 1048hpa) is likely to have raised the boiling point of water temporarily by around 1C to nearer 101C 😉 🌡📈
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@Petagna
Marco Petagna
@Petagna
3 years
Beautiful Borth-y-Gest N Wales an hr ago
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@Petagna
Marco Petagna
@Petagna
1 year
Some interesting days of #weather model watching 👀 ahead 🍿
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@Petagna
Marco Petagna
@Petagna
2 years
Sea surface #temperatures in the Mediterranean widely 28 to 30C..on par with those in the tropical Atlantic and Caribbean
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@Petagna
Marco Petagna
@Petagna
27 days
Today I lost the best step dad anyone could possibly ask for Rest peacefully young man, in the knowledge that you'll never be forgotten XX
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@Petagna
Marco Petagna
@Petagna
2 years
Wow..the cooling effect of the MCS #thunderstorm NW #France ...
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@Petagna
Marco Petagna
@Petagna
2 years
40C+ in a number of locations today Extremely dry conditions helping to spark fires in a number of locations THIS IS NOT 'JUST SUMMER'
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@Petagna
Marco Petagna
@Petagna
2 years
Saturday's #wind gusts 238kph on the Cairgorms, or 148mph!
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@Petagna
Marco Petagna
@Petagna
3 years
Great photo 📷...
@Rainmaker1973
Massimo
@Rainmaker1973
3 years
Windmills create a turbulence that change the condensation rates in a foggy environment, sometimes with spectacular results
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@Petagna
Marco Petagna
@Petagna
5 months
Not that often nowadays that we see sub zero #temperatures so widely mid pm...
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@Petagna
Marco Petagna
@Petagna
2 years
Could be interesting summer Following the #metoffice May-July seasonal forecast update May 1st (summer forecast next month), & now ECMWF June-Aug update (all below), if warmth 🔥 is your thing (Marco says jumping up & down hysterically in agreement 🤗😅!)..you could be in luck
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@Petagna
Marco Petagna
@Petagna
1 year
Comparisons being made between our Ely airmass coming & the notorious Beast from the E in 2018 Well, although 850 #temperatures don't always give a true reflection of surface conditions, worth noting in 28.2.18 '850s' were -12 to -15C, & currently forecast to dip to ~-5 to -8C
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@Petagna
Marco Petagna
@Petagna
3 years
Impressive shock wave captured during an explosive stage of the La Palma #volcano 🌋 eruption today ..about 2/3rds into video..
@ElTimeLaPalma
El Time
@ElTimeLaPalma
3 years
Captamos la brutal onda expansiva de una de las explosiones más potentes del Volcán de La Palma en su sexto dia #lapalma #noticiaslapalma #terremotoslapalma #volc ánlasmanchas #urgencaislapalma #emergencialapalma #lavalapalma #VigilanciaLaPalma
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@Petagna
Marco Petagna
@Petagna
3 years
Some exceptionally low #temperatures developing to the E/NE of the #UK in the days ahead...daytime highs around -15 to -20C in places...not a million miles away from us #coldweatherfans 👀
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@Petagna
Marco Petagna
@Petagna
3 years
Earlier today there was a major #SolarFlare During the flare, a pulse of X-rays and extreme UV radiation ionized the top of Earth's atmosphere, causing a strong shortwave radio blackout centered on South America as below Source:
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@Petagna
Marco Petagna
@Petagna
2 years
1/4 Once again a lack of understanding from sections of media, of how #weather model output should be analysed & interpreted, with misleading & irresponsible headlines the result This misinformation creates fear, panic & is misaligned with credible professional weather forecasts
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@Petagna
Marco Petagna
@Petagna
2 years
Impressive MCS self sustaining Mesoscale Convective System currently N France 23000 lightning 🌩 strikes last 2 hrs
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@Petagna
Marco Petagna
@Petagna
2 years
1st job of the #nightshift done...plotting the next 7 days #weather fronts that will appear on all our platforms..eg tv, website, new app layout, YouTube, social media, etc etc..
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@Petagna
Marco Petagna
@Petagna
3 years
#Fullsteamahead for next week's #cold #weather ...if only i could escape to the Canaries for a week or so! #notacoldweatherfan !
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@Petagna
Marco Petagna
@Petagna
2 years
This appeared in the Daily Star yesterday.. Well I've been studying meteorology for over 30yrs, and never come across this gem of a #weather cocktail before! Sounds like a new type of Mc Donald's happy meal!😅
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@Petagna
Marco Petagna
@Petagna
2 years
For quite a few runs gfs has been hinting at some significant warming in the stratosphere later this month The warming heads towards the N Pole, the 10hpa 60N wind reduces quite markedly and the strat polar vortex #SPV tries to split This needs 👀.. it may be on to something
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@Petagna
Marco Petagna
@Petagna
2 years
#StormEunice in its final approach towards the UK this evening 1. #Jetstream can be seen cutting across the system 2. Dry air from aloft engaging with the system 3. Hints of a hammerhead forming Undergoing rapid deepening now
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@Petagna
Marco Petagna
@Petagna
2 years
A real fight going on it seems between the cold potential of Scandinavian blocking & a mild Atlantic onslaught Not only is the Atlantic low now 33hpa less deep on Monday But, the Scandi high is now 9hpa more intense Going to be interesting to see how this one plays out! 🥊🥊
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@Petagna
Marco Petagna
@Petagna
3 years
On this day 10yrs ago Gravesend in Kent reached 29.9C!
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@Petagna
Marco Petagna
@Petagna
3 years
The #QBO ..wind in the stratosphere above the tropics, is becoming more deeply descended Since the early 1950s there have been 11 deeply descended E'lies, roughly half coinciding with cold winters, the others with average winters..none were mild
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@Petagna
Marco Petagna
@Petagna
2 years
The @metoffice #summer #weather forecast now issued...
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@Petagna
Marco Petagna
@Petagna
3 years
It's important medium range #weather forecasts aren't based on 1 model/1 model run Yes there are flip flops in models perhaps as they try to account for events taking place at surface globally or higher in atmosphere However, outlook trends still support E based #airstreams
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@Petagna
Marco Petagna
@Petagna
3 years
February 8th 2020 vs 2021 Broad #mild W'ly to broad #cold E'ly 📈 to 📉
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@Petagna
Marco Petagna
@Petagna
6 months
Potential #snow event next week...
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@Petagna
Marco Petagna
@Petagna
6 months
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@Petagna
Marco Petagna
@Petagna
3 years
The stratosphere above the N Pole taking a real knock out blow right now... #temperatures of +53C shown barreling across the southern part of the Arctic circle 📈😲
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@Petagna
Marco Petagna
@Petagna
2 years
Almost 4000 lightning 🌩 strikes Dorset last 2 hrs
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@Petagna
Marco Petagna
@Petagna
2 years
I'll say no more....
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@Petagna
Marco Petagna
@Petagna
2 years
British summertime of old: 3 fine days and then a thunderstorm British summertime now: 3 unbearably hot days and then 'perhaps' a thunderstorm
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@Petagna
Marco Petagna
@Petagna
3 years
It has been confirmed that the hourly #rainfall of 40.6mm at Edinburgh Botanical Gardens on Sunday 4.7.21 1700-1800 BST was the highest hrly rainfall on record for the city
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@Petagna
Marco Petagna
@Petagna
2 years
Almost 8pm Spain...43C
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@Petagna
Marco Petagna
@Petagna
2 years
31C Kent 10.20am
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@Petagna
Marco Petagna
@Petagna
1 year
One to keep 👀 on Both GFS & EC have recently been/continue to hint at a possible 'attack' on the #spv stratospheric polar vortex in January..a marked warming possibly rotating around into polar regions, and a vortex weakening from extreme strength to perhaps well below average
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@Petagna
Marco Petagna
@Petagna
4 months
The #jetstream has gone AWOL
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@Petagna
Marco Petagna
@Petagna
5 years
Today is one of those days i feel very proud to work for @metoffice . As an organisation we put up with criticism & take it constructively & on chin, & on days like today when our forecasts prove very accurate we don't raise it from the rooftops..i think that deserves recognition
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@Petagna
Marco Petagna
@Petagna
2 years
Not been this #chilly for a while! Widespread ground and local air #frost ..must be that 'mini #iceage ' the press have been warning us of...😅🤦‍♂️ #brrr
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@Petagna
Marco Petagna
@Petagna
3 years
Brace yourselves Significantly colder air sweeping south across the UK next couple of days! #brrr
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@Petagna
Marco Petagna
@Petagna
2 years
#Heatwave #India Today's lows and highs #hothothot 🌡📈
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@Petagna
Marco Petagna
@Petagna
2 years
..nothing to 👀 here...😱😱😱
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@Petagna
Marco Petagna
@Petagna
6 months
#StormCiaran 990hpa 00z Wednesday to 953hpa 00z Thursday ... a deepening of 37hpa in 24hrs Explosive deepening = 24hpa in 24hrs 976hpa 12z Wed to 953 hpa 00z Thursday..deepening of 23hpa in just 12hrs
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@Petagna
Marco Petagna
@Petagna
3 years
The #SSW sudden stratospheric warming event appears to be underway! A 30C warming so far at 10hpa & a small amount of that warming already filtering down to 30hpa level Eventually if it couples with 100/150hpa at top of the troposphere may affect our #jetstream and #weather 👀
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@Petagna
Marco Petagna
@Petagna
1 month
Some damage here in Exmouth following last night's very high spring tides..the highest I've seen in the ten years being here..Sly gales meeting water coming down the Exe..tidal locking perhaps (?)...storm surge too due to #StormPierrick
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@Petagna
Marco Petagna
@Petagna
3 years
Now that's proper #snow !! 😲❄
@BBCHighlands
BBC Highlands
@BBCHighlands
3 years
A Highlands road closed by drifts of snow last Thursday has been reopened to traffic. Thanks to George Finlayson for use of the images.
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@Petagna
Marco Petagna
@Petagna
3 years
The #UK is under there somewhere! This #Sunday 🌧🌬
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@Petagna
Marco Petagna
@Petagna
2 years
Latest UKMO setting the scene nicely.. Yes some colder air Sun to Tues, but as I've been tweeting recently, until we get that Greenland high pressure blocking going it's difficult currently to tap into the true Arctic air..the latest 168 chart would do it! 📉❄
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@Petagna
Marco Petagna
@Petagna
3 years
A small taste of what's to come? Preliminary warming appears to be moving into the Polar region in the stratosphere Impending #SSW sudden stratospheric warming event 📈
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@Petagna
Marco Petagna
@Petagna
1 year
Lots of uncertainty still about details, but if GFS is correct the 10hpa 60N wind could reverse to E around this time next week A reversal maintained for 24hrs or more would signify a major #ssw sudden stratospheric warming event
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@Petagna
Marco Petagna
@Petagna
2 years
Well here we go...not even midday and provisionally the all time UK #temperature record falls.... STAGGERING!!!
@metoffice
Met Office
@metoffice
2 years
🌡️ A temperature of 39.1°C has provisionally been recorded at Charlwood, Surrey If confirmed this will be the highest temperature ever recorded in the UK⚠️ Temperatures are likely to rise further through today 📈 #heatwave #heatwave2022
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@Petagna
Marco Petagna
@Petagna
7 months
Yemen could see a staggering 10 year's worth of #rain in just 24hrs...
@US_Stormwatch
Colin McCarthy
@US_Stormwatch
7 months
Some forecast models predict that 20-30 inches of rain could fall in the next 24 hours near Al Ghaydah, Yemen, as Tropical Cyclone Tej stalls over the region. Al Ghaydah receives ~2 inches of rain per year, which means over 10 year's worth of rain could fall in just 24 hours,…
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@Petagna
Marco Petagna
@Petagna
2 years
Yes we're all sitting in our bunkers planning our methods of attack as we speak!...🤦‍♂️😅... the #metoffice winter forecast Dec to Jan hasn't even officially been issued yet! ... 🤦‍♂️ for a 2nd time!
BBC and Met Office at war over 'deep freeze' winter weather forecasts

A rare clash has emerged between the two 'big boys' of UK weather forecasting after they made hugely different long-term predictions for the winter ahead

www.dailystar.co.uk
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@Petagna
Marco Petagna
@Petagna
2 years
Having seen latest 12Z model data the change in the last 24hrs to a slightly more - #AO & #NAO as suggested by GFS seems to be setting scene #Jetstream effectively displaced that bit further S would leave most of UK in colder air on its N side #Christmas Day #snow potential ⬆️
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@Petagna
Marco Petagna
@Petagna
4 years
18Z GFS #StormDennis 😲: I think the record depth for a N #Atlantic low #pressure system is 913hpa 10.1.1993 Braer Storm
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@Petagna
Marco Petagna
@Petagna
4 years
Am i the only one concerned by the fact that uk is going on a completely different path to so many other countries with respect to dealing with #Covid_19 ?..keep being told that we're following agreed science (as just now on #bbcqt )..but how is it agreed if others are diverging?!!
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@Petagna
Marco Petagna
@Petagna
2 years
1 of the things I love about my job Sometimes people are quick to criticise capabilities of #weather models, but the fact nowadays we can prepare people for likely impacts of systems several days ahead (even today #StormBarra is barely evident stage left below!) is worth noting
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@Petagna
Marco Petagna
@Petagna
4 years
Happy Christmas everyone..thanks so much for following me this last yr..perhaps a bit corny, but means a lot knowing my interest/enjoyment sharing weather knowledge I've gained over yrs as a weather forecaster, through my tweets, also proves of interest/& or help to others!👍🎄🎁
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@Petagna
Marco Petagna
@Petagna
3 years
Did you notice that extra 1 minute of daylight this evening?!... Yes from today the evening's will be getting lighter! 🤗🤗🤗
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@Petagna
Marco Petagna
@Petagna
4 years
The #weather turning cooler and more changeable for a while Hint though that high #pressure will return next week, especially across the north Good news for everyone perhaps Welcomed #rain short term for many #Sunshine possibly returning later
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@Petagna
Marco Petagna
@Petagna
3 years
Apologies I'm starting to get too many in coming questions relating to ssw impacts which i just havent enough time to reply to My twitter feed will display all the info i have to hand at the time 👍
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@Petagna
Marco Petagna
@Petagna
1 year
#Temperatures forecast to be a staggering 20 to 25C higher at 6am Monday compared to 6am today...
@MetMattTaylor
Matt Taylor
@MetMattTaylor
1 year
There'll be a completely different feel for the commute on Monday morning🌡️📈
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@Petagna
Marco Petagna
@Petagna
3 years
According to @DailyMirror snow warnings have been issued-news to us here @metoffice where such warnings actually get issued! IN REALITY TOPS OF SCOTTISH CAIRNGORMS HAVE SEEN THEIR 1ST AUTUMN SNOW (NORMAL) & NOTHING UNUSUAL EXPECTED COMING FEW WEEKS! 🤦‍♂️🤦‍♂️
Snow warnings for UK with temperatures to plummet by 10C as cold front strikes

Temperatures are set to plummet as October arrives with some parts of Scotland already being hit by snow - but there is more wind and rain on the way first with a wash-out weekend predicted

www.mirror.co.uk
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@Petagna
Marco Petagna
@Petagna
2 years
#Weather drivers for UK #winter couldn't be in a more favourable cold pattern inducing set up Strat vortex becoming less strong, #lanina established, #mjo stronger in phase 7, #qbo very deep descended Ely & seas less warm If not now when?! #climate change influence perhaps
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@Petagna
Marco Petagna
@Petagna
3 years
Beware! Further significant #frost expected for a while later this week
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@Petagna
Marco Petagna
@Petagna
2 years
London, Surrey, Sussex, Buckinghamshire brace yourself 🌩
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@Petagna
Marco Petagna
@Petagna
2 years
Snow lying well now at 1097m asl in the Scottish Highlands ...
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@Petagna
Marco Petagna
@Petagna
2 years
With #MJO continuing to show a strengthening signal heading into phase 6/7, & remembering likely delay of ~10 to 14 days in occurrence to effect, coupled with our weak #lanina and marked - #IOD , November might be one to 👀 for UK blocking patterns.. notably mid Atlantic ridging
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@Petagna
Marco Petagna
@Petagna
1 year
In 9/10 days time both GFS & EC continue to signal a huge weakening of the #spv stratospheric polar vortex 12Z GFS now reverses the 10hpa 60N wind, although 'briefly'-verging on major #ssw status Appears a wave 1 event-high pressure nr Alaska displacing vortex 1 to continue 👀
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@Petagna
Marco Petagna
@Petagna
2 years
Signs developing #StormBarra is undergoing rapid deepening now 1. Low pressure in perfect location just ahead of trough in left exit of #jetstream for deepening to occur 2. Signs on water vapour imagery of dry air from aloft engaging with low 3. Signs of 'hammer head' forming
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