Perth could soon add another one or two days to its already record-breaking tally of 11 40ºC days so far this summer. Two intense heatwaves in late-December and mid-January have seen Perth endure unprecedented heat this season. At the start of this week, the city had already registered 11 days at or above 40º so far this […]
Sydneysiders have endured a very humid beginning to the year, which is likely influencing energy demand across the city. During the first 20 days of January, Sydney Observatory Hill’s mean 9am and 3pm relative humidity was 84% and 73% respectively. This year’s humidity has been well above the historical average. The mean January relative humidity between 1991 and 2020 at 9am is 71%, while […]
Readers from tropical parts of Australia accustomed to average minimum temps in the mid-twenties might laugh, but Sydney people have been tossing and turning in 2022, with a string of above-average overnight temps. Sydney’s average overnight minimum in January is 18.8°C. Thus far in 2022 (to 9 am on Jan 13), the average min […]
Perth’s summer temperature see-saw will continue this week, with temperatures about to drop in the city before another round of heat returns later in the week. Perth has had a notably hot start to summer, with the city late last month registering four consecutive days over 40°C for only the third time on record. […]
Perth is in store for a scorching Christmas Day as an extremely hot air mass heads towards southwestern Australia. Earlier this week, temperatures reached 47.9ºC at Mardie in WA’s Pilbara district. This was the highest temperature recorded in Australia and the Southern Hemisphere so far this year. Now, this heat is spreading further south as a low pressure trough draws […]
A hot air mass building over Australia this week will set the stage for a quintessentially hot and sweaty Christmas in some parts of the country. While large areas of Australia were kept unusually cool during November by frequent spells of cloud and rain, December has been noticeably clearer and drier for much of […]
Parts of eastern and southern Australia just had their cloudiest November in decades, reducing solar power generation across several states. A wet, mild and cloudy November in Australia Last month was Australia’s wettest November on record and its coolest November in 22 years. It was also an exceptionally cloudy month for many parts of the country. Australia’s eastern capital cities had their cloudiest November in […]
November 2021 will go down in the record books as the first time in 37 months that Sydney’s average monthly maximum temperature was below average. Not since October 2018 has Sydney recorded a single calendar month in which the average daily max fell below the long-term average at Observatory Hill, just south of the […]
While you’d struggle to find a small patch of blue sky across eastern Australia, summer has arrived early in Perth. Perth’s maximum temperatures are expected to top 34°C on Friday, 37°C on Saturday and 33°C on Sunday. Saturday’s daytime temperature is expected to be 9-10°C above Novembers average, the hottest day in eight months (figure 1) Figure 1: ECMWF 2m […]
Australia’s tropical cyclone season is officially underway, but we may not see much activity for few months yet. The season runs from November to April, and for mining operators and businesses across northern Australia, 2026-27 is shaping up to be a season where the headline numbers and the real risk may not line up. On […]
A positive Indian Ocean Dipole is underway, but this one is unlikely to deliver the textbook dry spring and summer that businesses have come to expect from the pattern. The Bureau of Meteorology officially declared a positive IOD on Tuesday, October 27, which typically like El Niño can cause drier and warmer conditions over parts of […]
Waters off Indonesia have cooled in recent weeks, an indication that a positive Indian Ocean Dipole (IOD) event could be developing. It’s an important climate driver for Australia, and it could shape rainfall and temperatures heading into summer, with flow-on effects for farmers, energy and other industries. What is the Indian Ocean Dipole? The IOD […]
Leonora, WA, had its wettest September day on record earlier this month. Three weeks later, more than 1.3 million lightning pulses were detected within 800 km of the town in 48 hours. Why is a stalled trough delivering storms to mining country, and what it could mean for operations? The DTN Total Lightning Network detected […]
