Andrew Miskelly

Upper ridge over the northern Coral Sea directing smoke from El Niño-related fires in New Guinea over the Australian Top End.

Band of gusty thunderstorms marching across eastern NSW and the ACT.

A clash of air masses will produce widespread thunderstorms over eastern Australia on Sunday and Monday.

Rain, thunderstorms and bogong moths across southern QLD and eastern NSW.

Bass Strait stratus vanishing in the lee of King Island and north west TAS on Thursday.

Showery days ahead for much of Australia, with heavy falls expected over parts of the east.

Morning Glory over QLD's Gulf Country on Thursday.

Southerly change out of the blocks at the VIC/NSW border. Expected through Sydney around 23:00 AEDT.

Slow-moving upper-level low producing rain and thunderstorms over parts of south east Australia.

Rain and thunderstorms ahead for much of south east Australia, while the staggering run of storms continues over WA's interior.

Low cloud envelops areas east of the Divide after Monday's south/easterly change over NSW.

Murky southerly change cutting under the clear, dry air over eastern NSW. The change is preceded by extreme fire danger over the Greater Hunter.

Roll clouds marking the peaks of atmospheric gravity waves ahead of the cold front approaching WA.

Dry, ex-polar air sweeping over the Tasman Sea and towards the tropics. Expect more frost across prone parts of south east Australia on Thursday morning.

Spring doing its thing over south east Australia.

Snowy Mountains snow cover at about this time of September each year since 2017.

Streaks of cloud riding the 280 km/h jet ahead of the cold front approaching TAS.

Cold front crossing south east Australia on Saturday. Expect gusty winds.

Hurricanes Lowell, Karina and Marie over the eastern Pacific, where high sea surface temperatures associated with El Niño are supplying a lot of energy.

September westerlies over south east Australia.

Dramatic atmospheric response to bath-like eastern Pacific sea surface temperatures associated with El Niño.

Winter 2026 across Australia.

Signs of spring: warmth building over north west Australia; cold fronts to the south; changeable temperatures and bursts of westerlies between.

If not a bloodbath, then certainly a bath across what remains of Australia's snowfields overnight. Around 50 mm of rain at temperatures in the mid single figures.

Another band of rain and thunderstorms crossing central and eastern Australia, ahead of a shortwave and low pressure system.

Southern stratospheric polar vortex in rude health so far this winter.

This low pressure system produced heavy rain over parts of SA and VIC, and brought a brief burst of wintry weather to NSW/ACT.

Winter in eastern NSW/ACT fell on a Monday this year.

Seems novel to see something other than a ridge over south east Australia. Snowfalls will extend to the highest parts of central NSW during Monday afternoon, with strong winds featuring more broadly.

Cloud band building ahead of the cold front crossing southern Australia.

This system will bring decent snowfalls to the high country in TAS, VIC and NSW, but will once again have very limited effect north of the Snowy Mountains Highway.

New Zealand next in line for the polar air mass that's just crossed TAS (while mainland Australia remains on the sidelines).

Fingerprints of positive AAO/SAM all over the first half of winter in the Australian region.

Winter has come good across New Zealand's South Island. Imagery from Sentinel-2 on Friday.

Elliptical contrails produced by aircraft in holding patterns east of Sydney on Friday morning.

Super Typhoon Bavi over the Philippine Sea on Monday.

Super Typhoon Bavi crossing the Mariana Islands north of Guam on Monday morning.

Polar vortex hitting its stride it the southern stratosphere.

Colder air arriving over south east Australia on Thursday.

Cold air approaching south east Australia. Unremarkable for the time of year, but novel in the context of this winter to date.

Series of rain bands crossing south east Australia ahead of a drier change.

Eye-catching low pressure system approaching south west WA on Friday.

Spectacular, vertically-stacked low pressure system off south west WA.

Strongly positive AAO/SAM (Antarctica 🟦 → midlatitudes 🟥) behind the return to onshore winds over eastern Australia, and the non-arrival of Australia's ski season.

A persistent ridge 🟨 over the Tasman Sea (linked to the warm June to date over central and eastern Australia) is showing signs of shifting, but the polar vortex 🟦 is tight (positive SAM/AAO), so no major cold outbreaks in the near term for southern Australia.

Development of the extensive northwest cloud band currently over eastern Australia.