Spells of heavy rain that can cause flash flooding in the UAE have become longer lasting over the past two decades, a study has found.
Khalifa University of Science and Technology in Abu Dhabi and the National Centre of Meteorology (NCM), also in the UAE capital, found these events in the southeastern Arabian peninsula “may be even more impactful in a warming world”.
However, while they create the risk of floods, such episodes also offer opportunities in a country where precipitation is limited.
In a study recently published in the journal Atmospheric Research, scientists looked at mesoscale convective systems (MCSs), a weather pattern that most commonly causes severe weather in March or April.
They analysed 95 of these between 2000 and 2020, and found they were caused by particular wind patterns and moisture coming from the Arabian Sea, Arabian Gulf or Red Sea.
They looked at observational data and records from satellites, for example, and found that, over time, these events over the UAE were lasting longer.
Some of the most severe episodes happened in 2016 when there was severe flooding after more than 240mm of rain fell in Dubai, and Abu Dhabi experienced winds of nearly 80mph.
Climate change key to changing weather patterns
“We believe that global warming and climate change are likely responsible for the increase in the duration of MCSs over the study region,” said Dr Diana Francis, an author of the study.
Dr Francis, who heads the environmental and geophysical sciences laboratory at Khalifa University, said a warmer atmosphere could hold more water vapour, meaning extreme events last longer.
This ties in with the latest Intergovernmental Panel on Climate Change report which, Dr Francis said, “clearly identified … that there is an intensification of the global water cycle due to increased warming”.
“We would expect to see similar trends in the future with a possible additional increase in the strength of the MCSs and a resulting larger amount of rain,” said Dr Francis, who also recently identified a strengthening of a warm-weather system over the UAE called the Arabian heat low.
More rainfall to boost agriculture
While in many countries extreme weather is solely a danger to life and property, Dr Francis said arid nations such as the UAE, where many areas receive an average of less than 100mm of rain each year, should plan for benefits too.
“Rainwater storage strategies and water water evacuation plans in big cities need to be included in the country’s urban planning strategies to both avoid the damage from flooding, and benefit from the large amount of precipitation,” she said.
Cloud seeding proves successful
A separate study by NCM researchers evaluating the impact of the UAE’s cloud seeding programme has concluded that seeded areas experience an average of 23 per cent more rain.
The analysis was based on comparing rain gauge results without cloud seeding, recorded between 1981 and 2002, with those where cloud seeding took place, recorded between 2003 and 2019.
Previous studies elsewhere have indicated that cloud seeding does increase rainfall, although the question of whether it is effective is still debated.
In the new study, published in the journal Atmosphere, the NCM researchers, two of whom were also authors of the study Dr Francis was involved with, indicated their findings could influence whether cloud seeding work goes ahead in the UAE and similar areas in the future.
“The work provides new insights for assessing long-term seeding impacts and has significant implications for policy and decision-making related to cloud seeding research and operational programmes in arid regions,” they wrote.
Dr Francis said the seeding efficiency reported by the NCM researchers focused on summertime rain events linked to the development of local clouds and convection, which is the process by which heat and moisture moves vertically in the atmosphere.
The MCSs, by contrast, develop in the spring and are large-scale events associated with the global water cycle, so their formation and development cannot be affected by cloud seeding.
“However the amount of rain obtained from these systems can be increased by seeding the clouds associated with them once they reached over the UAE,” Dr Francis said.
SCHEDULE
6.30pm Maiden Dh165,000 (Dirt) 1,400m
7.05pm: Handicap Dh170,000 (D) 1,600m
7.40pm: Maiden Dh165,000 (D) 1,600m
8.15pm: Handicap Dh210,000 (D) 1,200m
8.50pm: Handicap Dh210,000 (D) 2,000m
9.25pm:Handicap Dh185,000 (D) 1,400m
Amith's predicted winners:
6.30pm: Down On Da Bayou
7.05pm: Etisalat
7.40pm: Mulfit
8.15pm: Pennsylvania Dutch
8.50pm: Mudallel
9.25pm: Midnight Sands
White hydrogen: Naturally occurring hydrogen
Chromite: Hard, metallic mineral containing iron oxide and chromium oxide
Ultramafic rocks: Dark-coloured rocks rich in magnesium or iron with very low silica content
Ophiolite: A section of the earth’s crust, which is oceanic in nature that has since been uplifted and exposed on land
Olivine: A commonly occurring magnesium iron silicate mineral that derives its name for its olive-green yellow-green colour
FIXTURES
Fixtures for Round 15 (all times UAE)
Friday
Inter Milan v AS Roma (11.45pm)
Saturday
Atalanta v Verona (6pm)
Udinese v Napoli (9pm)
Lazio v Juventus (11.45pm)
Sunday
Lecce v Genoa (3.30pm)
Sassuolo v Cagliari (6pm)
SPAL v Brescia (6pm)
Torino v Fiorentina (6pm)
Sampdoria v Parma (9pm)
Bologna v AC Milan (11.45pm)
Series info
Test series schedule 1st Test, Abu Dhabi: Sri Lanka won by 21 runs; 2nd Test, Dubai: Play starts at 2pm, Friday-Tuesday
ODI series schedule 1st ODI, Dubai: October 13; 2nd ODI, Abu Dhabi: October 16; 3rd ODI, Abu Dhabi: October 18; 4th ODI, Sharjah: October 20; 5th ODI, Sharjah: October 23
T20 series schedule 1st T20, Abu Dhabi: October 26; 2nd T20, Abu Dhabi: October 27; 3rd T20, Lahore: October 29
Tickets Available at www.q-tickets.com
Stat Fourteen Fourteen of the past 15 Test matches in the UAE have been decided on the final day. Both of the previous two Tests at Dubai International Stadium have been settled in the last session. Pakistan won with less than an hour to go against West Indies last year. Against England in 2015, there were just three balls left.
Key battle - Azhar Ali v Rangana Herath Herath may not quite be as flash as Muttiah Muralitharan, his former spin-twin who ended his career by taking his 800th wicket with his final delivery in Tests. He still has a decent sense of an ending, though. He won the Abu Dhabi match for his side with 11 wickets, the last of which was his 400th in Tests. It was not the first time he has owned Pakistan, either. A quarter of all his Test victims have been Pakistani. If Pakistan are going to avoid a first ever series defeat in the UAE, Azhar, their senior batsman, needs to stand up and show the way to blunt Herath.
UAE currency: the story behind the money in your pockets
WEST ASIA RUGBY 2017/18 SEASON ROLL OF HONOUR
Western Clubs Champions League
Winners: Abu Dhabi Harlequins
Runners up: Bahrain
Dubai Rugby Sevens
Winners: Dubai Exiles
Runners up: Jebel Ali Dragons
West Asia Premiership
Winners: Jebel Ali Dragons
Runners up: Abu Dhabi Harlequins
UAE Premiership Cup
Winners: Abu Dhabi Harlequins
Runners up: Dubai Exiles
UAE Premiership
Winners: Dubai Exiles
Runners up: Abu Dhabi Harlequins
EA Sports FC 25
Developer: EA Vancouver, EA Romania
Publisher: EA Sports
Consoles: Nintendo Switch, PlayStation 4&5, Xbox One and Xbox Series X/S
Rating: 3.5/5
MO
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GAC GS8 Specs
Engine: 2.0-litre 4cyl turbo
Power: 248hp at 5,200rpm
Torque: 400Nm at 1,750-4,000rpm
Transmission: 8-speed auto
Fuel consumption: 9.1L/100km
On sale: Now
Price: From Dh149,900
Trolls World Tour
Directed by: Walt Dohrn, David Smith
Starring: Anna Kendrick, Justin Timberlake
Rating: 4 stars
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Three ways to boost your credit score
Marwan Lutfi says the core fundamentals that drive better payment behaviour and can improve your credit score are:
1. Make sure you make your payments on time;
2. Limit the number of products you borrow on: the more loans and credit cards you have, the more it will affect your credit score;
3. Don't max out all your debts: how much you maximise those credit facilities will have an impact. If you have five credit cards and utilise 90 per cent of that credit, it will negatively affect your score.
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Need to know
The flights: Flydubai flies from Dubai to Kilimanjaro airport via Dar es Salaam from Dh1,619 return including taxes. The trip takes 8 hours.
The trek: Make sure that whatever tour company you select to climb Kilimanjaro, that it is a reputable one. The way to climb successfully would be with experienced guides and porters, from a company committed to quality, safety and an ethical approach to the mountain and its staff. Sonia Nazareth booked a VIP package through Safari Africa. The tour works out to $4,775 (Dh17,538) per person, based on a 4-person booking scheme, for 9 nights on the mountain (including one night before and after the trek at Arusha). The price includes all meals, a head guide, an assistant guide for every 2 trekkers, porters to carry the luggage, a cook and kitchen staff, a dining and mess tent, a sleeping tent set up for 2 persons, a chemical toilet and park entrance fees. The tiny ration of heated water provided for our bath in our makeshift private bathroom stall was the greatest luxury. A standard package, also based on a 4-person booking, works out to $3,050 (Dh11,202) per person.
When to go: You can climb Kili at any time of year, but the best months to ascend are January-February and September-October. Also good are July and August, if you’re tolerant of the colder weather that winter brings.
Do not underestimate the importance of kit. Even if you’re travelling at a relatively pleasant time, be geared up for the cold and the rain.
Tamkeen's offering
- Option 1: 70% in year 1, 50% in year 2, 30% in year 3
- Option 2: 50% across three years
- Option 3: 30% across five years
The five pillars of Islam
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Springsteen: Deliver Me from Nowhere
Director: Scott Cooper
Starring: Jeremy Allen White, Odessa Young, Jeremy Strong
Rating: 4/5
LAST-16 FIXTURES
Sunday, January 20
3pm: Jordan v Vietnam at Al Maktoum Stadium, Dubai
6pm: Thailand v China at Hazza bin Zayed Stadium, Al Ain
9pm: Iran v Oman at Mohamed bin Zayed Stadium, Abu Dhabi
Monday, January 21
3pm: Japan v Saudi Arabia at Sharjah Stadium
6pm: Australia v Uzbekistan at Khalifa bin Zayed Stadium, Al Ain
9pm: UAE v Kyrgyzstan at Zayed Sports City Stadium, Abu Dhabi
Tuesday, January 22
5pm: South Korea v Bahrain at Rashid Stadium, Dubai
8pm: Qatar v Iraq at Al Nahyan Stadium, Abu Dhabi
Explainer: Tanween Design Programme
Non-profit arts studio Tashkeel launched this annual initiative with the intention of supporting budding designers in the UAE. This year, three talents were chosen from hundreds of applicants to be a part of the sixth creative development programme. These are architect Abdulla Al Mulla, interior designer Lana El Samman and graphic designer Yara Habib.
The trio have been guided by experts from the industry over the course of nine months, as they developed their own products that merge their unique styles with traditional elements of Emirati design. This includes laboratory sessions, experimental and collaborative practice, investigation of new business models and evaluation.
It is led by British contemporary design project specialist Helen Voce and mentor Kevin Badni, and offers participants access to experts from across the world, including the likes of UK designer Gareth Neal and multidisciplinary designer and entrepreneur, Sheikh Salem Al Qassimi.
The final pieces are being revealed in a worldwide limited-edition release on the first day of Downtown Designs at Dubai Design Week 2019. Tashkeel will be at stand E31 at the exhibition.
Lisa Ball-Lechgar, deputy director of Tashkeel, said: “The diversity and calibre of the applicants this year … is reflective of the dynamic change that the UAE art and design industry is witnessing, with young creators resolute in making their bold design ideas a reality.”
Who has lived at The Bishops Avenue?
- George Sainsbury of the supermarket dynasty, sugar magnate William Park Lyle and actress Dame Gracie Fields were residents in the 1930s when the street was only known as ‘Millionaires’ Row’.
- Then came the international super rich, including the last king of Greece, Constantine II, the Sultan of Brunei and Indian steel magnate Lakshmi Mittal who was at one point ranked the third richest person in the world.
- Turkish tycoon Halis Torprak sold his mansion for £50m in 2008 after spending just two days there. The House of Saud sold 10 properties on the road in 2013 for almost £80m.
- Other residents have included Iraqi businessman Nemir Kirdar, singer Ariana Grande, holiday camp impresario Sir Billy Butlin, businessman Asil Nadir, Paul McCartney’s former wife Heather Mills.
Hunting park to luxury living
- Land was originally the Bishop of London's hunting park, hence the name
- The road was laid out in the mid 19th Century, meandering through woodland and farmland
- Its earliest houses at the turn of the 20th Century were substantial detached properties with extensive grounds
