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Prof Penny Endersby

@pennyend.bsky.social
7.5K followers 1.1K following 1.2K posts

CBE FREng. Chief Executive of the Met Office. Weather, climate, physics, digital & data, with a scatter of wildlife, Dartmoor, old churches and choral music

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Reposted by Prof Penny Endersby
Mark Chadbourn @chadbourn.bsky.social · 1h
Ukraine blows up Russian data centres and immediately and mysteriously online talk about Germany’s Far Right AfD virtually disappears. Stop Putin you stop the Far Right.
Chart showing online talk about the AfD going off a cliff edge
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Prof Penny Endersby @pennyend.bsky.social · 06/10/2026
www.metoffice.gov.uk/blog/2026/su... We’ve had more than our share of wild and woolly weather headlines this week. No arctic plunge or 551 mile wall of rain and snow expected. But I do expect to get rather wet walking to the Met Office Board in London tomorrow.
metoffice.gov.uk
'Super El Niño'? '551-mile wall of rain and snow? Weather headline review
Recent weather coverage has featured dramatic claims about a “super El Niño”, polar vortex, widespread snow, freezing temperatures and an enormous wall of rain.
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Prof Penny Endersby @pennyend.bsky.social · 03/10/2026
Thanks. Golden scalycap looks right but it’s meant to like beech and I think that’s an oak.
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Prof Penny Endersby @pennyend.bsky.social · 03/10/2026
The rivers and reservoirs are still very low, but the little bit of rain we have had had got the autumn fungi growing. I thought these were particularly beautiful: I’d welcome an ID though
Five glowing golden fungi in the cleft of an old tree with ivy growing through them x
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Prof Penny Endersby @pennyend.bsky.social · 12/09/2026
Finally made it to see Pressure: the film about the most critical forecast in Met Office history. Missed the Premiere for health reasons but the launch day event at work was fun.
Me below the poster for the film at Newton Abbot cinema 
A red carpet in Met Office HQ with key documents relating to the DDay forecast on the wall
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Reposted by Prof Penny Endersby
James Dyke @jamesgdyke.info · 02/09/2026
It cannot be stated enough: whatever your view of technology & policy development over the rest of this century & beyond, the rapid ending of fossil fuels is the most resilient & robust way to secure a liveable climate.
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Prof Penny Endersby @pennyend.bsky.social · 01/09/2026
I think the headline will be a surprise to nobody: we have provided the attribution and more detail as to how we do this.
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Reposted by Prof Penny Endersby
Met Office - weather and climate @metoffice.gov.uk · 24/08/2026
Forecasts. Decisions. Pressure. Discover how Met Office meteorologist Group Captain James Stagg stood by the science under extraordinary pressure, and the remarkable true story that inspired #PressureMovie (in cinemas September 9). 🎬 Watch ‘Gathering Storm’👇 @StudiocanalUK
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Prof Penny Endersby @pennyend.bsky.social · 23/08/2026
Hope a good time was subsequently had by all
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Prof Penny Endersby @pennyend.bsky.social · 21/08/2026
www.bbc.co.uk/weather/arti... I had an early brief on this and ordered a pallet of sandbags for my marginally flood-prone house. They’re easy to obtain in the middle of a drought! This is a good article by the BBC covering some of the global impacts to be expected from such a strong El Niño.
bbc.co.uk
El Niño set to be 'strongest in living memory', says Met Office
Scientists say the growing El Niño weather pattern is an "unprecedented event" and means 2027 is likely to be the world's hottest year on record.
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Prof Penny Endersby @pennyend.bsky.social · 17/08/2026
There was also a wild tomato seedling growing in shingle on the back of the beach. All the solanaceae
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Prof Penny Endersby @pennyend.bsky.social · 16/08/2026
Sneezewort, bacon and eggs (birds foot trefoil) and surprisingly Goji berry (Chinese boxthorn) for #WildflowerHour #CommonNames from Anglesey @bsbibotany.bsky.social @wildflowerhour.bsky.social
White flowers with grey centres (sneezewort)Red and yellow pea shaped flowers of birds foot trefoil Purple flowers like nightshade and the long red goji berries
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Prof Penny Endersby @pennyend.bsky.social · 16/08/2026
Very moving to see the Royal Charter memorial at Moelfre. This tragic shipwreck with 460 lives lost inspired @metoffice.gov.uk founder Admiral Fitzroy to begin the storm warning service which later grew into the Shipping Forecast
The memorial to the Royal Charter in Welsh and English on a bronze scale plinth with the Royal modern RNlI building behind
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Reposted by Prof Penny Endersby
Met Office - weather and climate @metoffice.gov.uk · 03/08/2026
July 2026 was an exceptional month for the UK's climate statistics, with records challenged or broken for rainfall, temperature and sunshine. Read more in our press release ⤵️ www.metoffice.gov.uk/about-us/new...
Met Office graphic with the text “July’s weather was…” alongside an illustration of a three-scoop ice cream cone, introducing a summary of July weather statistics.Graphic titled “Dry”. Text states: “Driest July on record for England and Wales” and “Southern England’s driest month ever recorded.”Graphic titled “Sunny”. Text states: “UK’s sunniest July on record” and “Sunniest month ever recorded for England and Wales.”Graphic titled “Hot”. Text states: “Southern England’s warmest July on record”, “UK’s 2nd warmest” and “Wales’s joint warmest.”
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Prof Penny Endersby @pennyend.bsky.social · 26/07/2026
Indeed a whole community of people who can envisage that other people have different experiences from themselves! More refreshing than the weather.
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Prof Penny Endersby @pennyend.bsky.social · 26/07/2026
No, though the North of UK isn’t as parched as the south and there has been a bit more there
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Prof Penny Endersby @pennyend.bsky.social · 26/07/2026
Half a teaspoon of drizzle overnight. Not even enough to wet the bottom of the rain gauge. Last proper rain here was June 7th, none at all in July. None forecast here. Grim.
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Prof Penny Endersby @pennyend.bsky.social · 25/07/2026
Beautiful skies over Burgh Island this morning.
A photo of two halves. Down the middle is the causeway to Burgh Island at low tide with sea both sides. The two white buildings on the island are the hotel, left and pilchard inn, right. The sky has what looks like a dividing line of cloud down the middle all lined up with the low summit of the island. Scrubby dune plants in foreground Looking out of the square stone window of the huer’s hut on the top of Burgh Island. Turquoise bay and seaside resort beyond. The hut was built on the site of a chapel to St Michael, to look out for pilchard shoals and was used as a lookout in WW2
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Prof Penny Endersby @pennyend.bsky.social · 24/07/2026
You don’t HAVE to eat fish at The Galley, but it rather misses the point if you don’t.
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Prof Penny Endersby @pennyend.bsky.social · 24/07/2026
But at least there will be twenty replies under each post saying that this definitely has nothing to do with a warming climate…..
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Prof Penny Endersby @pennyend.bsky.social · 24/07/2026
A pleasure to be invited to the institution which is Lunch with the FT
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Prof Penny Endersby @pennyend.bsky.social · 20/07/2026
Have you heard about the Met Office visibility sensor which cut out every night and resumed service every morning? When the engineer arrived at the right time, it turned out a wren was using it as a snug overnight roost, heated by the light bulb in cold weather.
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Prof Penny Endersby @pennyend.bsky.social · 19/07/2026
If you live inland you may not have noticed that the Met Office app has tide times, wave heights and weather-appropriate sea safety advice for beach locations. Very useful in planning your day out
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Prof Penny Endersby @pennyend.bsky.social · 19/07/2026
Yes
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Prof Penny Endersby @pennyend.bsky.social · 19/07/2026
Often I feel I’m in the wrong place for the @wildflowerhour.bsky.social challenge. But if you want to find things #StillFlowering when the land is parched, #Dartmoor is the place for you. Most of these 38 came from one lane from Cornwood up towards Dendle’s Wood. @bsbibotany.bsky.social
A collage of ten purple flowers: Bramble, tufted vetch, knapweed, spear thistle, hemp agrimony, creeping thistle, great willowherb, red campion, foxglove, marsh thistle A collage of ten mostly white flowers: hedge bindweed, cow parsley, meadowsweet, traveller’s joy, enchanter’s nightshade, wood sage, honeysuckle, hogweed, valerian, soft rushA collage of nine yellow flowers: bird’s foot trefoil, smooth sow thistle, cat’s ear, nipplewort, goldenrod, wood avens, creeping buttercup, tormentil, western gorse.  The European gorse was not #stillfloweringA collage of nine leftover flowers: pheasant berry, ivy-leaved toadflax, montbresia, herb Robert, hedge woundwort, cross leaved heath, sheep’s sorrel, ling, stinging nettle
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Prof Penny Endersby @pennyend.bsky.social · 19/07/2026
Or Heath Robinson. It’s beautiful if bonkers. Thanks for the name tip
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Prof Penny Endersby @pennyend.bsky.social · 18/07/2026
I forgot to post my simplestem bur-reed for #wildflowerhour #aquaticplants but it was growing at Man Sands at the back of the beach
A complicated flower with spiky florets, some covered in pollen, and a string of brown beads among reed leaves A different view with better view of the brown beads
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Prof Penny Endersby @pennyend.bsky.social · 16/07/2026
Yes. England especially as opposed to whole UK.
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Prof Penny Endersby @pennyend.bsky.social · 16/07/2026
It’s been a pretty extraordinary first half of summer. I swam in the Channel st nearly 20C today, certainly the warmest British sea swim I’ve ever experienced. Read more about the land and sea temperatures below
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Prof Penny Endersby @pennyend.bsky.social · 09/07/2026
Great to hear Lord Vallance at the launch of the National Research Organisations. Over 40 government-funded scientific bodies with a mission to maximise the value of our science in support of government’s priorities & ensure that all of government can access this treasure trove of expertise & data.
Lord Vallance, science minister in front of the banner with logos of participating organisations National research organisations logo with our strap line “making research matter” and key areas covered including climate, energy, food, space and security
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Prof Penny Endersby @pennyend.bsky.social · 07/07/2026
At the Met Office we are always striving for improved accuracy. But what makes a weather forecast “right”? The blog gives insight into the many variables we track to measure how our forecasts are improving over time.
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Reposted by Prof Penny Endersby
Met Office - weather and climate @metoffice.gov.uk · 06/07/2026
Yesterday marked 70 years since the UK Clean Air Act 1956 - the first national legislation to tackle air pollution, introduced in response to the devastating Great Smog of London in 1952. The graphic below is courtesy of airqualitystripes.info. 🧵 1/5
Alt text: Graphic shows London’s particulate matter air pollution (PM2.5) concentrations from 1850 to 2022. Concentrations rose overall up until 1960s and then declined rapidly. 

Title says: what do the air quality stripes tell us about London's air quality? Text at bottom of graphic says: for more information visit www.airqualitystripes.info. The graphic highlights the 1952 Great Smog event when air pollution levels were poor. It also mentions the introduction of the UK Clean Air Act. Additionally, it says from the 1960s to 2026 there was increased legislation and a shift to cleaner technologies, leading to improvements in air quality.
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Prof Penny Endersby @pennyend.bsky.social · 05/07/2026
Even in the drought the dune slacks at Dawlish Warren were stunning. Hundreds of marsh helleborine and a gorgeous sea of loosestrife and meadowsweet. The chicory was from nearby. @bsbibotany.bsky.social @wildflowerhour.bsky.social @warrenbirding.bsky.social
A wide view of the meadowsweet and loosestrife with dunes and sky behind and close ups of the helleborines and chicory
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Prof Penny Endersby @pennyend.bsky.social · 05/07/2026
#Climbingplants for @wildflowerhour.bsky.social challenge. Hedge bindweed, woody nightshade and black bryony which fooled me. I thought I had a flower but I think that’s a bramble peeping through. Devon lanes. @bsbibotany.bsky.social
A collage of the three plants
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Reposted by Prof Penny Endersby
Met Office - weather and climate @metoffice.gov.uk · 29/06/2026
As further data from our observation network has been made available over the weekend, the provisional new UK highest June temperature on record is 37.7°C at Lingwood, Norfolk. 🌡️
A red square saying 37.7 Celsius was recorded at Lingwood Norfolk on June 26th. Provisionally a new June temperature for the UK.
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Reposted by Prof Penny Endersby
Dan Harris @roostweather.bsky.social · 26/06/2026
An incredible number of sites with 50+ year records have broken not just their monthly, but all-time "high-minimum" #temperature records in this recent heat These also include new England and NI records. New UK/Wales record not shown, 23.5 at Bute Park but POR *only* goes back to 1977 #ukheatwave
A map of the UK showing high-minimum temperature values for sites which have a 50 year or more period of record. Also alongside is a table which shows the top 10 and bottom 10 of these values. Plymouth is the highest with 23.0C.
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Prof Penny Endersby @pennyend.bsky.social · 26/06/2026
Don’t know when we last broke a monthly record three days in a row but this breaks the previous 1976 record by a wide margin
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Reposted by Prof Penny Endersby
Met Office - weather and climate @metoffice.gov.uk · 25/06/2026
The UK provisionally set a new maximum temperature record for June for the second consecutive day, with 36.7°C reached at Merryfield, Somerset. Wales also set a provisional June record, while Northern Ireland matched its previous record Get the details here www.metoffice.gov.uk/about-us/new...
metoffice.gov.uk
New UK June maximum temperature record for second consecutive day
The UK has provisionally set a new maximum temperature record for June for the second consecutive day, with 36.7°C reached at Merryfield, Somerset, on 25 June.
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Prof Penny Endersby @pennyend.bsky.social · 25/06/2026
I was on a call with DSIT senior officials and heads of arms length bodies yesterday, and one of the experts briefing us was in uniform because London Ambulance had put all reservists on standby. Warnings allow for preparation by responders, as well as reducing harm because people take precautions.
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Prof Penny Endersby @pennyend.bsky.social · 25/06/2026
I think too widespread for that. Chief Meteorologist yesterday told me that 20C dew point contour rarely brushes the South Coast but yesterday was covering most of England and Wales.
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Prof Penny Endersby @pennyend.bsky.social · 25/06/2026
Good thread. Handy Met Office blog on 1976 fifty years on here. www.metoffice.gov.uk/blog/2026/uk.... Followed
metoffice.gov.uk
UK could see 45°C by 2056, scientists reflect on 1976 heatwave anniversary
On the 50th anniversary of the start of the 1976 summer heatwave, Met Office scientists have highlighted how similar events could become significantly more intense in the future, with a plausible scen...
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Prof Penny Endersby @pennyend.bsky.social · 25/06/2026
The UK June record was duly broken yesterday with 36.1C at Gosport, and it will fall again today. This spell also features high humidity and overnight temperatures. My husband commented with surprise on the dewy grass when he took his breakfast out. Very unusual to have dew points widely over 20C.
A close up of grass and clover leaves with dew drops caught on tendrils
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Prof Penny Endersby @pennyend.bsky.social · 23/06/2026
It was not ideal for musical bumps …..
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Prof Penny Endersby @pennyend.bsky.social · 23/06/2026
I am old enough to remember how extraordinary the 1976 heatwave felt. On the hottest weekend I wore that green velour top and long skirt to a party (the photo is from Feb 76). Fifty years on and a similar event would show much higher temperatures. We expect the record from that June to fall tomorrow
Ten small girls in party finery in a suburban garden. I am third from right in a green top and long frilly skirt
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Prof Penny Endersby @pennyend.bsky.social · 22/06/2026
Compared to the widespread red heat warning in July 22, the humidity this time will be higher, increasing risk to health. Looks very likely we will break an all time monthly UK maximum for the second month in a row. Please stay safe and follow advice, and a special plea to take care in cold water.
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Reposted by Prof Penny Endersby
Met Office - weather and climate @metoffice.gov.uk · 19/06/2026
The Met Office has issued an Amber extreme heat warning for much of southern England and southeastern Wales, with impacts to people and infrastructure possible at the start of next week and water safety a particular concern. Read more in our latest news release ⬇️ buff.ly/8idSaKl
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Prof Penny Endersby @pennyend.bsky.social · 14/06/2026
Devon has amazing #ChurchyardFlowers. These at Exeter Cathedral are probably a meadow mix but much nicer than the patchy turf and builders’ yard which preceded them. The Close is mainly public turf, so any little bit of wild area is a blessing. @bsbibotany.bsky.social @wildflowerhour.bsky.social
A sunlit sea of ox eye daisies in front of a stone building with mullioned windows. Also knapweed, poppy, foxglove, wild carrot, hawkweed, mallow and dandelion.
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Prof Penny Endersby @pennyend.bsky.social · 14/06/2026
Please keep the Ravilous! I either associate that horse with him or with journeys from the West Country which have been diverted round the long way due to engineering work….
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Prof Penny Endersby @pennyend.bsky.social · 14/06/2026
That’s lovely! Thank you!
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Prof Penny Endersby @pennyend.bsky.social · 14/06/2026
The westbury white horse
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