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FRI · 2026-08-21 · 13:12 GMTBRIEF NSR-2026-0821-104553
News/Britain’s railway prepares for more extr/El Nino set to be most intense ‘for over a century’: UK fore…
NSR-2026-0821-104553News Report·EN·Environmental

El Nino set to be most intense ‘for over a century’: UK forecasters

UK forecasters at the Met Office predict that the upcoming El Nino event is set to be the most intense in over a century. They anticipate an "unprecedented" rise in sea surface temperatures in the tropical Pacific Ocean, exceeding 3 degrees Celsius.

Al Jazeera StaffAl JazeeraFiled 2026-08-21 · 13:12 GMTLean · CenterRead · 2 min
El Nino set to be most intense ‘for over a century’: UK forecasters
Al JazeeraFIG 01
Reading time
2min
Word count
306words
Sources cited
2cited
Entities identified
10entities
Quality score
100%
§ 01

Briefing Summary

AI-generated
NEWSAR · AI

UK forecasters at the Met Office predict that the upcoming El Nino event is set to be the most intense in over a century. They anticipate an "unprecedented" rise in sea surface temperatures in the tropical Pacific Ocean, exceeding 3 degrees Celsius. This significant warming is expected to heighten the risk of extreme weather globally, including drought, high temperatures, and intense rainfall. The Met Office's head of long-range forecasting described the signal as the most intense they have ever seen. This event could far surpass recent El Nino impacts and their worldwide climate influences, with a chief forecaster noting the three-degree rise is unheard-of in modern climate records.

Confidence 0.90Sources 2Claims 5Entities 10
§ 02

Article analysis

Model · rule-based
Framing
Environmental
Public Health
Tone
Mixed Tone
AI-assessed
CalmNeutralAlarmist
Factuality
0.80 / 1.00
Factual
LowHigh
Sources cited
2
Limited
FewMany
§ 03

Key claims

5 extracted
01

The three-degree rise was 'unheard-of in modern climate records'.

quoteMet Office chief forecaster
Confidence
1.00
02

Adam Scaife states: 'We should be clear that this is an unprecedented event.'

quoteAdam Scaife (Met Office)
Confidence
1.00
03

Forecasts predict sea surface temperatures to rise by more than 3C (5.4F).

statisticMet Office
Confidence
0.95
04

El Nino event is expected to be the most intense in more than a century.

predictionUK forecasters (Met Office)
Confidence
0.90
05

This intensity will heighten risks of drought, high temperatures, intense rainfall, and other extreme weather.

predictionMet Office
Confidence
0.85
§ 04

Full report

2 min read · 306 words
Met Office predicts ‘unprecedented’ sea surface temperature rise of 3C (5.4F) plus will heighten extreme weather risks.The impact of this year’s El Nino event is expected to be the most intense in more than a century, United Kingdom forecasters have warned.The effect of the event will drive the risk of drought, high temperatures, intense rainfall and other extreme weather effects, the Met Office said in a statement issued on Friday.Recommended Stories list of 4 itemslist 1 of 4Governments brace for historic El Nino impacts on global weather extremeslist 2 of 4New satellite images show Europe’s disappearing rivers due to droughtlist 3 of 4Why extreme heat is much more dangerous for the elderly than we realisedlist 4 of 4Heatwaves and energy crunch: Can Europe withstand a double shock?end of listTypically, El Nino leads sea surface temperatures to rise between 1-2 degrees Celsius (1.8-3.6 degrees Fahrenheit). However, forecasts for the 2026 version predict record values of more than 3C (5.4F) in the coming months, the forecasters said.“We should be clear that this is an unprecedented event,” said Adam Scaife, head of the office’s long-range forecasting. “I have never seen an El Nino signal this intense in our forecasts.”If the spike plays out as anticipated, “then 2026 will far exceed our recent experience of El Nino and its worldwide climate influences”, he added.The chief forecaster separately told the BBC that the three-degree rise was “unheard-of in modern climate records”.El Nino is triggered by unusually warm sea surface temperatures in the central and eastern tropical Pacific Ocean, influencing global weather patterns.Governments around the world are already grappling with historic climate events so far this year.Wildfires have burned through more than 200,000 hectares (494,200 acres) in Indonesia and rampaged across southwestern Europe, forcing the displacement of at least 325,000 people in Spain and France. Other countries are dealing with severe droughts.
§ 05

Entities

10 identified
§ 06

Keywords & salience

9 terms
el nino
1.00
extreme weather
0.90
sea surface temperature
0.80
intense rainfall
0.70
drought
0.70
high temperatures
0.60
climate influences
0.50
uk forecasters
0.50
tropical pacific ocean
0.40
§ 07

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