Canberrans experience rainy start to spring as patchy showers sweep the capital

Craig Webber walks through the Rainforest at the Australian National Botanic Gardens, in the rain.

Megan Gorrey   An overnight shower and patchy rain on Thursday has been forecast to give way to glimpses of sunshine in time for the weekend.

Typhane or hurricoon? The storm that changed its title

Kilo on the date line

Peter Hannam   One of four huge tropical storms spinning in the north Pacific has caused a stir among meteorologists by crossing the International Date Line near Hawaii and requiring a title change.

El Nino becoming super-charged as atmosphere builds on ocean heat

Warmth continues to build in the Pacific Ocean.

Peter Hannam   The powerful El Nino continues to intensify in the Pacific and is now the strongest since the record-breaking 1997-98 event, the Bureau of Meteorology said.

Mongolia in for double whammy: drought now, "dzud" next

Hard times on the steppe: drought and prospects of a tough winter ahead.

The drought has wiped out up to 80 per cent of its wheat crop and up next could be the worst winter in six years.

Flurry of tropical cyclones give super El Nino another boost

Hurricane Jimena is moving over warm waters in the eastern Pacific and gathering strength.

Peter Hannam   The hyperactive hurricane season in the Pacific has jumped up another gear, spawning a record trio of category 4 strength tropical storms that will give the powerful El Nino event yet another boost.

Heat is in the air: spring to burst onto the scene

If it doesn't feel like spring yet - it should do soon.

Peter Hannam   After the coolest winter in years, the mercury is ready to rise, forecasters say.

Thor arrives to tackle busy fire season

Thor unleashes at Richmond.

Peter Hannam   Another year of above-average fire risk is on the way as the long-term decline in cool season rainfall combines with a strengthening El Nino.

Warragamba Dam spilling as flood threat downgraded

Water flows over the Warragamba Dam spillway on Thursday morning.

Megan Levy   Water has started spilling over the Warragamba Dam wall for the first time since 2013, but the flood threat for low-lying areas along the Nepean River has been revised downwards.

Warragamba to spill, trigger Nepean Hawkesbury flooding: BoM

Warragamba Dam during an earlier spill.

Peter Hannam   Sydney's main reservoir will begin spilling on Thursday, leading to minor flooding downstream, the Bureau of Meteorology says.

Flood warning as NSW storm conditions ease

An aerial image of water flowing over the Jerrara Dam wall.

NSW residents have been forced to flee their homes and are being warned to stay vigilant with rising waters expected to flood parts of the south coast at high tide later in the day.

Evacuation ordered due to 'imminent failure' of Jerrara Dam near Kiama

Water flows over the edge of Jerrara Dam, west of Kiama.

Megan Levy   Residents near a decomissioned dam on the NSW South Coast have been ordered to evacuate their homes due to the "imminent failure" of the waterway.

Storms: Sydney faces one more buffeting

A small landslide closed the Princes Hwy at Kiama Heights.

Peter Hannam   Sydney is due one more lashing from the powerful low pressure system hovering off the NSW coast that earlier caused flooding in regions south of the city including the evacuation of hundreds of primary school students.

Sydney weather: storm brings rain and hail

Local farmer crosses the flooded Illawarra Highway at Albion Park after heavy falls across the region.

Kate Aubusson and Megan Levy   Hail and heavy rain pelted parts of Sydney on Monday night, with hailstones as large as 20 cent coins reported in some suburbs.

Sydney lit up by 24 lightning strikes a minute during Monday's storm

Storm which brought hail to parts of Sydney moves off the coast , shot from Narrabeen.

Peter Hannam   Sydney witnessed more than 4300 strikes in three hours as an intense thunderstorm cell swept across the city, Weatherzone said.

Gale force winds and more rain head for Sydney

A local farmer crosses the flooded Illawarra Hwy after heavy falls across the region.

Peter Hannam   Sydney can expect more rain later on Tuesday as the east coast low changes course and drifts in a north-easterly direction, meteorologists say.

Canberra to see half a month's worth of rain this week

Sarah-Jane Dartnell, of Kingston Foreshore, braved Monday's big wet with her dog Migo.

Clare Sibthorpe   We've copped a drenching already and more rain is on the way for Canberra.

Sydney weather: storm brings rain and hail

Hailstones in Balmain on Monday night.

Kate Aubusson   Hail and heavy is pelting parts of Sydney on Monday night, with hails are large as twenty cent coins pummeling the city.

Tornado leaves trail of destruction in Dubbo

Trail of destruction: A damaged shed following the tornado in Dubbo.

A tornado swept through the eastern edge of Dubbo, damaging housing, scattering debris, uprooting trees and scaring residents late on Monday afternoon.

Sydney to sit on 'edge' of unusual east coast low

Rain falls over Anzac Bridge on Monday.

Peter Hannam   Southern regions of Sydney could be in for a wet Tuesday with the formation of unusual weather pattern just offshore, the Bureau of Meteorology says.

Periods of rain and possible storms as east coast low looms

A bit of rough weather is on the way for Sydney and especially for the Illawarra.

Peter Hannam   Sydney and regions to the south are in for a wet couple of days as an unstable weather system spawns a likely east coast low.

Sydney cloaked in haze as fire crews scramble ahead of rain

Hazard reduction burning earlier this week in Ku-ring-gai National Park.

Peter Hannam   Sydney has had one of it most polluted mornings in months as fire authorities step up hazard reduction burns ahead of expected rains arriving over the weekend.

July melted global temperature records, setting up 2015 as hottest year

Record global heat was recorded in July as a monster El Nino combined with background warming.

Peter Hannam   El Nino in the Pacific and warming resulting from rising greenhouse gases suggest global temperatures will reach new highs this year.

Warmth ahead of a possible drenching east coast low

A recent dawn at Bondi: Warm days are due before the rain arrives.

Peter Hannam   Sydney and much of NSW will receive their heaviest rains in at least two months this weekend as a low-pressure trough breaks up the region's long dry spell.

Weather forecasting is about to get even better

Beautiful one day ...

Paul Gregory, Anthony Rea, Gary Dietachmayer   Recent snowfalls in NSW and southern Queensland were highlighted nearly a week beforehand.

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Winter's last hurrah as warmth and storms gather

Sue Bush, 56, from Clovelly dries off after a morning swim at the Coogee Baths last week.

Peter Hannam   Temperatures in Sydney are set to climb after Tuesday's dip, heralding what looks to be the start of spring.

Central Asian glaciers thaw fast in threat to hydro power, farms

The Manshuk Mametova glacier melts into a lake 3,550 metres above sea level, in the Tien Shan mountains near Almaty.

​Mountain glaciers in Central Asia have shrunk four times faster than the world average, threatening river flows vital for agriculture and hydro power from Uzbekistan to western China, scientists said on Monday.

Extreme weather four times as likely under global warming: study

A warming planet is likely to make extreme events such as intense El Ninos at least twice as common.

Peter Hannam   The worst combination of extreme weather patterns in the Indian and Pacific Oceans will likely rise by four-fold this century if greenhouse gas emissions continue on their current trajectory, leading researchers estimate.

Twin typhoons spin in the Pacific, adding to active storm season

Infrared image of Typhoon Goni.

Peter Hannam   There's little sign of a let-up in this year's unusually active storm season with another two typhoons forming in the north-western Pacific.

Heating up: July added to string of record hot months globally

Hot times: People watching a sunset at La Boca beach in Sancti Spiritus, Cuba.

Peter Hannam   July was the hottest on record globally as a large El Nino event gathered strength in the Pacific, making it more likely that 2015 will exceed last year as the warmest year recorded.

'Great Godzilla' El Nino to linger well into next year

The El Nino brewing in the Pacific is likely to affect the global climate.

Peter Hannam   This year's rapid warming in the central and eastern Pacific has climate watchers comparing the event to the monster El Nino of 1997-98 that led to a spike in global temperatures.