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Showers & storms are scattering across much of WA & central Australia as moist air feeds a broad trough. Isolated showers & storms are affecting inland NSW & eastern Vic in another trough. Highs are keeping much of Qld, Tas, southern SA & far southern WA dry.
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Today, 1:16AM UTC
One million lightning pulses in outback Australia
A spectacular atmospheric light show illuminated the interior of Western Australia and parts of the Northern Territory and South Australia overnight, with more than one million lightning pulses detected in the 24 hours to 7 am (AWST) within 800 kilometres of Carnegie – a cattle station in WA's arid interior. Significant 24-hour rainfall totals were recorded at several remote locations as rain and storms accompanied the lightning flashes. What caused the storms and lightning? Image: Lightning strikes at 11 pm (AEDT) over parts of interior WA, NT and SA. Source: Weatherzone. A broad area of low pressure is centred over WA's Gascoyne region with a series of upper and lower level troughs extending into the interior of the state. A moisture feed from unusually warm waters in the Indian Ocean combined with hot temperatures on Tuesday afternoon to enhance the atmospheric instability. How much rainfall was recorded? Notable WA observations: Unusually heavy rainfall for this time of year was recorded at several locations in the Gascoyne region, including 40.0 mm at Mount Magnet Airport and 32.8 mm at Golden Grove, a mine about 500 km northeast of Perth. During thunderstorm outbreaks, the bulk of a daily rainfall total often occurs in a short period, and that was the case at Mount Magnet, with 25 mm falling in half an hour between 4 pm and 5 pm. Much further east, the weather station at Giles on the edge of the Gibson Desert reported 29.6 mm, while 23 mm fell at West Musgrave Airport near the intersection of the NT, WA and SA borders. Notable NT observations: Numerous locations around Alice Springs received around 20 mm of rain, including Alice Springs Airport with 17.2 mm. About 200 kilometres north of The Alice on the northern edge of the Simpson Desert, the Territory Grape Farm received 27.4 mm. Image: Radar and satellite loop for the four hours to 4 am (AWST) on Wednesday, November 11, 2026, showing areas of rain near Giles in eastern WA and Alice Springs in the southern NT. Source: Weatherzone. It should also be noted that strong wind gusts were a feature of the overnight storms, with a late afternoon gust of 96 km/h at Ironbridge Mine Airport in WA's Pilbara region, and a gust of 87 km/h at Yulara Airport, near Uluru. Will this stormy outbreak continue? Widespread storms are likely for at least another day or two of in parts of Australia's interior, as the current synoptic pattern is relatively slow-moving. Early indications are that a second burst of stormy weather could develop across Australia's interior early next week. Perth has very much missed out on any rain so far from this (mostly) inland event, however storms could make it as far south as the WA capital next Monday. The difference between a lightning pulse and a lightning strike Image: Lightning pulses within 800 km of Giles, WA, in the 24 hours to 7 am (AWST) on Wednesday, November 11, 2026. Source: Weatherzone. A lightning flash (or strike) is made up of multiple pulses along the conductive channel. So for example, there were 493,267 lightning flashes in the 24 hours to 7am (AWST) this Wednesday across the whole of WA and the NT combined. These flashes caused 1,328,097 lightning pulses. Of those 1,328,097 lightning pulses, a total of 1,000,380 were recorded within 800 km of Carnegie, WA, during the 24 hours to 7 am AWST this Wednesday.
10 Nov 2026, 3:53AM UTC
Warmest October on record globally as El Niño strengthens
Last month was the warmest October on record globally and the third consecutive month to exceed 1.5°C above pre-industrial levels. One of the drivers of this abnormal warmth was a strengthening El Niño causing exceptionally high temperature anomalies in the tropical Pacific Ocean. According to data from the European Union's Copernicus Climate Change Service (C3S), the average global surface air temperature in October 2026 was 1.75°C above the pre-industrial average. This was the highest October anomaly on record and the third consecutive month above the +1.5°C threshold. Image: Monthly global surface air temperature anomalies from 1940 to 2026, relative to the 1850–1900 baseline). Source: ECMWF Copernicus C3S / ERA5. Sea surface temperatures also set a record for warmth in October 2026, averaging 20.95°C for the planet’s oceans outside the polar regions. This beat the previous October record of 20.79°C from 2023, which was also an El Niño year. Water temperatures in the central and eastern tropical Pacific Ocean were exceptionally warm in October due to the strengthening El Niño. The monthly average sea surface temperature in the Niño 3.4 region reached an all-time high of 29.94°C, a remarkable 3.21°C above average. Image: Global sea surface temperature anomalies in October 2026. Source: ECMWF C3S / ERA5. While water temperatures were cooler-than-average over parts of the southern and western Pacific Ocean in October – also a consequence of El Niño – there were also some large positive temperature anomalies near Australia. According to the Bureau of Meteorology, sea surface temperatures set new October records for warmth in the Tasman Sea and the water surrounding southern Australia. Image: Sea surface temperature anomalies near Australia in October 2026. Source: Bureau of Meteorology. With October’s record-breaking warmth and El Niño still gaining strength in the tropical Pacific Ocean, this year is on track to be one of the warmest in recorded history based on global temperatures. Based on CS3 projections, 2026 will most likely be the second warmest year on record and should have a global air temperature anomaly somewhere between 1.56°C to 1.61°C. This would make 2026 only the second year alongside 2024 to exceed 1.5°C above pre-industrial levels.
10 Nov 2026, 1:55AM UTC
Why northern Australia is enduring a long-running heatwave
A huge swathe of northern Australia is enduring an extended period of heatwave conditions, with maximum and minimum temperatures well above average for this time of year. Here's a quick overview of how hot it has been, how long the heatwave will last, and the causes of the unusually warm conditions. How can such a consistently hot region have a heatwave? The BoM defines a heatwave as a period when maximum and minimum temperatures are unusually hot over three days, as compared to the local climate and past weather. So hot locations in northern or outback Australia can absolutely have heatwaves, just as places with relatively mild climates like Hobart can. It's all about the temperatures relative to normal. Temperatures during the current heatwave at two key locations Image: Forecast maximums across the NT and nearby parts of adjacent states for Wednesday, November 11, 2026 (according to the ECMWF model), showing the locations of Darwin and Weipa. Source: Weatherzone. Let's take a look at the recent temperatures, and the forecast temperatures over the next few days, in Darwin (NT) and Weipa (the largest town on Queensland's Cape York Peninsula). Darwin Darwin averages just 3.1 days of 35°C or higher during November. But the NT capital has just had a run of 7 days of 35°C or higher, with another five on the forecast from this Tuesday, November 10 – potentially a 12-day streak. If Darwin reaches 35°C over 12 consecutive days, that would be the city's longest November run with maximums of 35°C or higher since 1929. Minimums have also been warm by local standards. Nine of the 10 mornings so far this November have exceeded the average monthly low of 25.3°C, with minimums around 27°C or 28°C likely over the next seven days. Weipa The largest town on Cape York Peninsula, Weipa averages a maximum of 36.0°C in November, but that has been comfortably exceeded every day to date this month. Weipa had its hottest November day in 54 years of records with a high of 39.8°C on Saturday. Maximums around 38°C or 39°C are forecast for the next seven days. Minimums around 24°C or 25°C are forecast over the next seven days (the November average is 23.6°C) So what is the cause of the current heatwave in these areas? Weatherzone meteorologist Ben Domensino says the current heatwave can be attributed to the combined influence of El Niño, a positive Indian Ocean Dipole (IOD) and above-average sea surface temperatures around the Top End and other parts of northern Australia. Image: Sea surface temperature anomalies for waters off the NT and nearby parts of Qld and WA on November 8, 2026. Source: BoM. Warmer-than-average sea surface temperatures help create warmer-than-average air temperatures over land. This is because the air absorbs some of the heat from the water surface before moving inland. Without going into detail on the atmospheric dynamics associated with broad-scale climate drivers, the key point is that both El Niño and a positive IOD tend to reduce cloud cover over northern Australia, which generally leads to much warmer daytime temperatures. Erratic and sluggish start to the wet season The current hot, mostly dry spell reflects the fact that much of Australia's far north has experienced a very slow start to the 2026 wet season. To return to our examples of Darwin and Weipa: Darwin had just under half its monthly rainfall in September and October, and has thus far had only one meaningful rain day in November, with 25.4 mm on November 8. That wet Sunday brought Darwin's rainfall total since September 1 beyond 50 mm – a crucial threshold which technically means the "build-up" is over and the wet season has officially begun. But there remains no sign of the regular, near-daily showers and thunderstorms that mark the wet season. Weipa has had almost no rain since April, including just 0.8 mm so far this November in a month in which it averages 90.4 mm. The current spell of heat shows no signs of waning just yet. According to Ben Domensino, the monsoon is expected to be delayed this season, which could see these abnormally warm conditions extending into late December or even early January.




