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Australia weather: La Nina a 50-50 chance for the summer as SES harnesses for storms

Australia weather: La Nina a 50-50 chance for the summer as SES harnesses for storms

It takes the form of a wetter and more stormy summer across the country’s east coast, after the chances of yet another La Nina were to emerge.

The chance of another straight La Nina event this Aussie summer has increased after the weather bureau updated its modeling.

The NSW State Emergency Service has begun preparing for an increased risk of heavy rain and rivers and floods during the upcoming storm season from October to March.

The likelihood of a busy season for volunteers rose Tuesday as the weather bureau raised its rating of a La Nina event to 50 percent.

This means that the event is now about twice the normal probability of happening.

“La Nina events increase the chances of above-average rainfall in northern and eastern Australia during the spring and summer,” the agency said.

“It is associated with cooler than average sea surface temperatures in the central and eastern tropical Pacific.”

The Bureau says La Nina occurs when equatorial trade winds become stronger, changing ocean currents and drawing cooler deep water up from below.

This results in a warming of sea temperatures in the western Pacific, which means that the area becomes more favorable for rising air, cloud development and precipitation.

This year’s storm season is expected to bring similar conditions to what was experienced last season. NSW SES Commissioner Carlene York said it would mean severe weather, including heavy rain and rivers and floods.

“During the previous storm season, we experienced major flooding across the state,” Ms. York said.

“In fact, not long ago, our volunteers responded to the great flood event that overwhelmed communities across Hawkesbury-Nepean, Hunter and the Mid North Coast.

“This event alone responded to more than 14,000 requests for assistance, including more than 1,000 floods.”

Mrs York urged people to prepare for storms and floods seriously before that happens.

NSW SES has more than 10,000 volunteers across the state and about 4,500 in locked Greater Sydney and the Blue Mountains.

But despite the Covid-19 outbreak, the agency has assured people that they will still get help if and when they need it, as it has done for the past 18 months.

“NSW SES continues to support its communities and takes every precaution to protect the health and well-being of these communities and their volunteers,” a spokesman said.

Ms York said that the more people could do now to prepare, the less likely they would end up needing emergency assistance from volunteers when the weather events hit.

“From preparing an emergency evacuation kit, making sure your gutters and downspouts are ready, to planning your animals, you can find all this information and more via,” she said.

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