Weather forecaster announces sighting of rapidly rotating water column at 4.53pm in sea west of city.

Hong Kong heading for nine-day streak of ‘very hot weather’ warnings as heatwave bakes city and prompts jump in calls for help by elderly.

‘[It will be] very hot … with maximum temperature of around 34 degrees in urban areas, and couple of degrees higher in the New Territories,’ forecaster says.

The Post explores how extreme weather is testing the city’s infrastructure with the storm season approaching.

‘Fine weather cumulus cloud’ more common in summer months, with sunset afterglow making it look like a ‘hot doggy’, forecaster says.

Electricity supplier CLP says ‘unstable weather’ affected overhead power lines, causing a voltage dip which interrupted supply.

Tai Po, Sheung Shui and Ta Kwu Ling record 34, 34.5 and 34.1 degrees respectively at 12.40pm, according to Observatory.

The Post explores ways to avoid getting bludgeoned by the city’s sweltering summer heat.

Rest of country also grappling with extreme weather as south records severe flooding and high temperatures prompt drought further north.

Observatory logs scorching urban temperature at Tsim Sha Tsui headquarters during afternoon, beating out record high of 32.7 degrees on Monday.

An urban high of 32.7 degrees Celsius recorded at Observatory’s Kowloon headquarters and mercury hit 33.8 degrees in New Territories.

Tourism Board announces decision after forecaster issued third amber rainstorm warning of the day, leaving dozens gathered disappointed.

Observatory cancelled alert at 7.45pm after it was issued at 5.50pm, less than two hours after previous warning was lifted.

Observatory cancelled warning at 1.10pm, after earlier downgrading it from red rainstorm signal in the morning.

‘With the southwesterly airstream becoming active, there will be more showers with squally thunderstorms … in the next couple of days,’ Hong Kong Observatory says.

Mercury hits at least 32 degrees in some places, with outdoor staff advised to stop working for 15 to 45 minutes every hour under guidelines.

Revellers ignore periodic rain and flock to places such as Stanley, Tai O, Sai Kung and Tai Po to see Dragon Boat Festival races.

Observatory says more than 40mm of rainfall recorded in some areas and showers expected to linger for the rest of the day.

‘Tsing-ma’ among list of names endorsed by global typhoon body, after one of world’s longest suspension bridges that connects Hong Kong’s Tsing Yi and Ma Wan.

Observatory says weather will be mainly cloudy with occasional showers on Monday night and Tuesday with temperatures ranging between 24 and 26 degrees.

Chaos at Waterbomb Hong Kong music festival after long queues caused by delayed start and hours-long wait to retrieve bags from cloakroom after event ends.

Strong easterly wind expected to reach the Guangdong coast on Monday and may bring showers and blustery wind to the region, forecaster predicts, with raining likely to continue through to Friday.

The strong monsoon signal was issued at 5.42pm.

Tropical Storm Maliksi will make landfall around midnight but chance of upgrading No 3 signal is low, weather forecaster says.

More than 500 chairs will be available at departure hall, with each seat prepared with supply kit containing pack of crackers, bottle of water and blanket.

Signal issued at 5.40pm as broad area of low pressure over central to northern part of South China Sea intensified into tropical depression.

Government engineers say slopes near sole access points and busy roads will be singled out for remedial work to reduce landslide risk.

Observatory says trough of low pressure will bring showers and squally thunderstorms to Guangdong on Monday and Tuesday.