Severe weather warnings are in place from central Queensland to the New South Wales border.
Met Office severe weather warnings remain in place in Wales and western parts of England and Scotland.
Severe weather warnings are in force across the UK, with eight inches (20cm) of snow forecast in places.
Sea-level fluctuations are monitored, severe weather warnings are issued and long-term weather forecasts are prepared with the help of satellites.
Weather warnings have been issued for the weekend, with the Met Office saying winds could damage buildings and uproot trees.
The strong winds, rain, and wintry showers are expected to remain into Saturday and weather warnings are in place until then.
Flooding is affecting road and rail travel in several areas of Wales as emergency services warn motorists and residents to heed weather warnings.
The Met Office has severe weather warnings in place until Sunday.
Snowfall is due for parts of England, Wales and Scotland over the weekend, as the Met Office issues "be aware" weather warnings for ice and snow.
Advanced weather warnings have already been issued for 26 and 27 December, advising that heavy showers on saturated ground across the UK could lead to localised flooding.
There are no longer any weather warnings in place but there are still a number of flood warnings and flood alerts in place in England and in Scotland.
Amber "be prepared" weather warnings have been issued for Orkney, Shetland, the Highlands and Strathclyde, while the rest of the country is covered by yellow "be aware" warnings.
The UK is in the grip of its longest cold snap for almost 30 years, and extreme or severe weather warnings are still in place across the UK for both snow and ice.
Amber severe weather warnings, which mean be prepared for disruption and only travel if necessary, are in place across large parts of central, western and southern England and Wales, as well as Northern Ireland.
When a typhoon is expected to land in Hong Kong, the Hong Kong Observatory is prepared with a comprehensive alert system that issues hourly summaries of weather warnings through the news and radio.
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The development followed deluges that prompted weather and flood warnings over many parts of Britain at the weekend.
Such data is expected eventually to have wide application, informing climate studies, weather forecasts and warnings of extreme events, such as flooding.
Google's interactive crisis map of the hurricane shows the predicted path of the storm, the affected areas and links to local weather reports and warnings.
The National Weather Service and the National Hurricane Service are also providing new severe weather watches and warnings as they gather new information.
Under the free pilot program, locals receive tailor-made text messages on their mobile phones, providing them with daily weather forecasts, warnings about potential hazards and advice on what action they should take.
The National Weather Service has issued warnings of high chances of wildfire activity in nine states, including Colorado.
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The National Weather Service issued storm warnings and advisories for Sunday and Monday for as far east as Pennsylvania, and officials were blaming two deaths in separate crashes in Kansas and Missouri on snow-slicked roads.
The tragedy in Joplin triggered stronger warnings by the weather service about life-threatening storms.
The National Weather Service issued coastal flood warnings for parts of Massachusetts, New Jersey, New York, Delaware, Maryland and Virginia.
Pure Thoughts is about 20 miles inland from West Palm Beach, and as the storm moved north, the warnings about bad weather did not, according to Gaver, seem to apply to them.
The National Weather Service has issued excessive heat warnings for parts of Arizona and California starting Monday, predicting temperatures in the range of 110-115 degrees.
In addition, the SmartGPS delivers current gas prices in the vicinity, weather, traffic events and speed camera warnings.
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Flood warnings and watches speckle the weather map from Michigan to southern Louisiana.
Tornado warnings have appeared on the weather service's alerts map early Wednesday, an indication the front may have spawned twisters.
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