Rainfall from fierce tropical cyclones in the Atlantic Ocean may have a surprising cause - dust from the Sahara.
Fine desert dust blown across the ocean can make the rain heavier by changing the size of cloud droplets, a new study says.
Peak dusty conditions, however, can have the opposite effect and lessen rainfall, especially in waters closer to the shores of Africa.
This 'boomerang-shape relationship' was discovered by Stanford University scientists, who say global warming could change the natural picture.
Scientists expect less Saharan dust to blow in future due to changed ocean winds, one of the Stanford authors, Yuan Wang, explained to The National.
How this affects the rainfall from tropical cyclones may depend on which part of the Atlantic is at the eye of future storms.
A typical Atlantic hurricane season, from June to November, brings more than a dozen named storms and about seven hurricanes, according to US government meteorologists.
Rain effect
The amount of rain is down to various factors but the new study suggests the dust transported from the Sahara plays a significant role.
Further from the Sahara's edge, the background level of 'dust loading' is relatively low and a wind from the desert can lead to heavier rain.
The study suggests this could be because the dust acts as an aerosol that encourages water particles to form in the atmosphere.
"When background dust loading is relatively low, which is more observed in the western Atlantic, dust tends to increase the rainfall," Prof Wang said.
"However, when background dust loading is higher, more dust will reduce the precipitation."
This may be because the dusty air keeps moisture at a low level, or blocks solar radiation that can influence storms.
An example of this was during the 1970s and 1980s, when there was a downturn in Atlantic hurricane activity, the paper says.
It coincided with high dust emissions coming from Africa in that period, believed to be linked to drought and air pollution over land.
Sprinkled dust
The mineral-rich Saharan dust blown westward by 'trade winds' can also feed tiny marine life in the Atlantic, such as phytoplankton.
Even further west, the iron and phosphorus airlifted from the Sahara acts as a fertiliser for the Amazon rainforest.
The dust can also cause haze, poor air quality, navigation problems and dramatic red and orange skylines far from the desert.
In the opposite direction, the warm current of the Gulf Stream keeps the Atlantic's eastern shores, such as Britain and Europe, warmer than they would otherwise be.
A separate study this month found that global warming could weaken the Gulf Stream and, paradoxically, cool down parts of Europe.
Porsche Macan T: The Specs
Engine: 2.0-litre 4-cyl turbo
Power: 265hp from 5,000-6,500rpm
Torque: 400Nm from 1,800-4,500rpm
Transmission: 7-speed dual-clutch auto
Speed: 0-100kph in 6.2sec
Top speed: 232kph
Fuel consumption: 10.7L/100km
On sale: May or June
Price: From Dh259,900
The%20specs
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The Settlers
Director: Louis Theroux
Starring: Daniella Weiss, Ari Abramowitz
Rating: 5/5
Red flags
- Promises of high, fixed or 'guaranteed' returns.
- Unregulated structured products or complex investments often used to bypass traditional safeguards.
- Lack of clear information, vague language, no access to audited financials.
- Overseas companies targeting investors in other jurisdictions - this can make legal recovery difficult.
- Hard-selling tactics - creating urgency, offering 'exclusive' deals.
Courtesy: Carol Glynn, founder of Conscious Finance Coaching
Nepotism is the name of the game
Salman Khan’s father, Salim Khan, is one of Bollywood’s most legendary screenwriters. Through his partnership with co-writer Javed Akhtar, Salim is credited with having paved the path for the Indian film industry’s blockbuster format in the 1970s. Something his son now rules the roost of. More importantly, the Salim-Javed duo also created the persona of the “angry young man” for Bollywood megastar Amitabh Bachchan in the 1970s, reflecting the angst of the average Indian. In choosing to be the ordinary man’s “hero” as opposed to a thespian in new Bollywood, Salman Khan remains tightly linked to his father’s oeuvre. Thanks dad.
Ferrari 12Cilindri specs
Engine: naturally aspirated 6.5-liter V12
Power: 819hp
Torque: 678Nm at 7,250rpm
Price: From Dh1,700,000
Available: Now
EPL's youngest
- Ethan Nwaneri (Arsenal)
15 years, 181 days old
- Max Dowman (Arsenal)
15 years, 235 days old
- Jeremy Monga (Leicester)
15 years, 271 days old
- Harvey Elliott (Fulham)
16 years, 30 days old
- Matthew Briggs (Fulham)
16 years, 68 days old
AIDA%20RETURNS
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The%20specs
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UAE SQUAD
Khalid Essa, Ali Khaseif, Fahad Al Dhanhani, Adel Al Hosani, Bandar Al Ahbabi, Mohammad Barghash, Salem Rashid, Khalifa Al Hammadi, Shaheen Abdulrahman, Hassan Al Mahrami, Walid Abbas, Mahmoud Khamis, Yousef Jaber, Majed Sorour, Majed Hassan, Ali Salmeen, Abdullah Ramadan, Abdullah Al Naqbi, Khalil Al Hammadi, Fabio De Lima, Khalfan Mubarak, Tahnoon Al Zaabi, Ali Saleh, Caio Canedo, Ali Mabkhout, Sebastian Tagliabue, Zayed Al Ameri
MATCH INFO
Uefa Champions League semi-final, first leg
Barcelona v Liverpool, Wednesday, 11pm (UAE).
Second leg
Liverpool v Barcelona, Tuesday, May 7, 11pm
Games on BeIN Sports
Honeymoonish
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War 2
Director: Ayan Mukerji
Stars: Hrithik Roshan, NTR, Kiara Advani, Ashutosh Rana
Rating: 2/5
Bombshell
Director: Jay Roach
Stars: Nicole Kidman, Charlize Theron, Margot Robbie
Four out of five stars
The specs
Engine: 2.0-litre 4cyl turbo
Power: 261hp at 5,500rpm
Torque: 405Nm at 1,750-3,500rpm
Transmission: 9-speed auto
Fuel consumption: 6.9L/100km
On sale: Now
Price: From Dh117,059
Dubai World Cup prize money
Group 1 (Purebred Arabian) 2000m Dubai Kahayla Classic - $750,000
Group 2 1,600m(Dirt) Godolphin Mile - $750,000
Group 2 3,200m (Turf) Dubai Gold Cup – $750,000
Group 1 1,200m (Turf) Al Quoz Sprint – $1,000,000
Group 2 1,900m(Dirt) UAE Derby – $750,000
Group 1 1,200m (Dirt) Dubai Golden Shaheen – $1,500,000
Group 1 1,800m (Turf) Dubai Turf – $4,000,000
Group 1 2,410m (Turf) Dubai Sheema Classic – $5,000,000
Group 1 2,000m (Dirt) Dubai World Cup– $12,000,000
Sole survivors
- Cecelia Crocker was on board Northwest Airlines Flight 255 in 1987 when it crashed in Detroit, killing 154 people, including her parents and brother. The plane had hit a light pole on take off
- George Lamson Jr, from Minnesota, was on a Galaxy Airlines flight that crashed in Reno in 1985, killing 68 people. His entire seat was launched out of the plane
- Bahia Bakari, then 12, survived when a Yemenia Airways flight crashed near the Comoros in 2009, killing 152. She was found clinging to wreckage after floating in the ocean for 13 hours.
- Jim Polehinke was the co-pilot and sole survivor of a 2006 Comair flight that crashed in Lexington, Kentucky, killing 49.
The biog
Name: James Mullan
Nationality: Irish
Family: Wife, Pom; and daughters Kate, 18, and Ciara, 13, who attend Jumeirah English Speaking School (JESS)
Favourite book or author: “That’s a really difficult question. I’m a big fan of Donna Tartt, The Secret History. I’d recommend that, go and have a read of that.”
Dream: “It would be to continue to have fun and to work with really interesting people, which I have been very fortunate to do for a lot of my life. I just enjoy working with very smart, fun people.”
Specs
Engine: 51.5kW electric motor
Range: 400km
Power: 134bhp
Torque: 175Nm
Price: From Dh98,800
Available: Now
SERIE A FIXTURES
Saturday (All UAE kick-off times)
Cagliari v AC Milan (6pm)
Lazio v Napoli (9pm)
Inter Milan v Atalanta (11.45pm)
Sunday
Udinese v Sassuolo (3.30pm)
Sampdoria v Brescia (6pm)
Fiorentina v SPAL (6pm)
Torino v Bologna (6pm)
Verona v Genoa (9pm)
Roma V Juventus (11.45pm)
Parma v Lecce (11.45pm)
UAE currency: the story behind the money in your pockets
MATCH INFO
Inter Milan 2 (Vecino 65', Barella 83')
Verona 1 (Verre 19' pen)
Company%20profile%20
%3Cp%3E%3Cstrong%3EName%3A%20%3C%2Fstrong%3EYodawy%3Cbr%3E%3Cstrong%3EBased%3A%3C%2Fstrong%3E%20Egypt%3Cbr%3E%3Cstrong%3EFounders%3A%20%3C%2Fstrong%3EKarim%20Khashaba%2C%20Sherief%20El-Feky%20and%20Yasser%20AbdelGawad%3Cstrong%3E%3Cbr%3ESector%3A%20%3C%2Fstrong%3EHealthTech%3Cbr%3E%3Cstrong%3ETotal%20funding%3A%20%3C%2Fstrong%3E%2424.5%20million%3Cbr%3E%3Cstrong%3EInvestors%3A%20%3C%2Fstrong%3EAlgebra%20Ventures%2C%20Global%20Ventures%2C%20MEVP%20and%20Delivery%20Hero%20Ventures%2C%20among%20others%3Cstrong%3E%3Cbr%3ENumber%20of%20employees%3A%3C%2Fstrong%3E%20500%3Cbr%3E%3C%2Fp%3E%0A
In-demand jobs and monthly salaries
- Technology expert in robotics and automation: Dh20,000 to Dh40,000
- Energy engineer: Dh25,000 to Dh30,000
- Production engineer: Dh30,000 to Dh40,000
- Data-driven supply chain management professional: Dh30,000 to Dh50,000
- HR leader: Dh40,000 to Dh60,000
- Engineering leader: Dh30,000 to Dh55,000
- Project manager: Dh55,000 to Dh65,000
- Senior reservoir engineer: Dh40,000 to Dh55,000
- Senior drilling engineer: Dh38,000 to Dh46,000
- Senior process engineer: Dh28,000 to Dh38,000
- Senior maintenance engineer: Dh22,000 to Dh34,000
- Field engineer: Dh6,500 to Dh7,500
- Field supervisor: Dh9,000 to Dh12,000
- Field operator: Dh5,000 to Dh7,000
Test
Director: S Sashikanth
Cast: Nayanthara, Siddharth, Meera Jasmine, R Madhavan
Star rating: 2/5
The specs
AT4 Ultimate, as tested
Engine: 6.2-litre V8
Power: 420hp
Torque: 623Nm
Transmission: 10-speed automatic
Price: From Dh330,800 (Elevation: Dh236,400; AT4: Dh286,800; Denali: Dh345,800)
On sale: Now
In numbers: PKK’s money network in Europe
Germany: PKK collectors typically bring in $18 million in cash a year – amount has trebled since 2010
Revolutionary tax: Investigators say about $2 million a year raised from ‘tax collection’ around Marseille
Extortion: Gunman convicted in 2023 of demanding $10,000 from Kurdish businessman in Stockholm
Drug trade: PKK income claimed by Turkish anti-drugs force in 2024 to be as high as $500 million a year
Denmark: PKK one of two terrorist groups along with Iranian separatists ASMLA to raise “two-digit million amounts”
Contributions: Hundreds of euros expected from typical Kurdish families and thousands from business owners
TV channel: Kurdish Roj TV accounts frozen and went bankrupt after Denmark fined it more than $1 million over PKK links in 2013
Volvo ES90 Specs
Engine: Electric single motor (96kW), twin motor (106kW) and twin motor performance (106kW)
Power: 333hp, 449hp, 680hp
Torque: 480Nm, 670Nm, 870Nm
On sale: Later in 2025 or early 2026, depending on region
Price: Exact regional pricing TBA
Results
6.30pm: Baniyas (PA) Group 2 Dh195,000 1,400m | Winner: ES Ajeeb, Sam Hitchcock (jockey), Ibrahim Aseel (trainer)
7.05pm: Maiden (TB) Dh165,000 1,400m | Winner: Al Shamkhah, Royston Ffrench, Sandeep Jadhav
7.40pm: Handicap (TB) Dh190,000 1,200m | Winner: Lavaspin, Richard Mullen, Satish Seemar
8.15pm: Maiden (TB) Dh165,000 1,200m | Winner: Kawasir, Dane O’Neill, Musabah Al Muhairi
8.50pm: Rated Conditions (TB) Dh240,000 1,600m | Winner: Cosmo Charlie, Pat Dobbs, Doug Watson
9.20pm: Handicap (TB) Dh165,000 1,400m | Winner: Bochart, Richard Mullen, Satish Seemar
10pm: Handicap (TB) Dh175,000 2,000m | Winner: Quartier Francais, Fernando Jara, Ali Rashid Al Raihe
Killing of Qassem Suleimani
Brief scores:
Day 1
Toss: India, chose to bat
India (1st innings): 215-2 (89 ov)
Agarwal 76, Pujara 68 not out; Cummins 2-40
Shubh Mangal Saavdhan
Directed by: RS Prasanna
Starring: Ayushmann Khurrana, Bhumi Pednekar
The specs: 2018 Peugeot 5008
Price, base / as tested: Dh99,900 / Dh134,900
Engine: 1.6-litre turbocharged four-cylinder
Transmission: Six-speed automatic
Power: 165hp @ 6,000rpm
Torque: 240Nm @ 1,400rpm
Fuel economy, combined: 5.8L / 100km
Brief scores:
Toss: Sindhis, elected to field first
Kerala Knights 103-7 (10 ov)
Parnell 59 not out; Tambe 5-15
Sindhis 104-1 (7.4 ov)
Watson 50 not out, Devcich 49