Cyclone intensifies as it nears WA coast

The alert level has been raised for a category 1 tropical cyclone off the West Australian Pilbara coast, as it increases in intensity and is likely to become a category 2 before it hits land.

A yellow alert has been issued for people between the coastal and island communities of Pardoo and Whim Creek, including the communities of Port Hedland and South Hedland, and residents have been warned to get ready to take shelter.

A blue alert remains in place for surrounding areas, including Roebourne, Port Sampson, Karratha and Dampier, and residents have been warned to prepare food and a first aid kit.

The weather bureau says Tropical Cyclone Heidi is estimated to be 185km north, north-east of Port Hedland and moving south at 15km/h towards the coast.

It is moving in a southerly direction towards the Pilbara coast, and could produce gusts to 100km/h in coastal areas, extending west during Wednesday.

The cyclone is expected to become a category 2 on Wednesday evening and is expected to cross the coast of Port Hedland overnight at 155km/h, the bureau says.

The Port Hedland Airport has been closed and some flights have been cancelled.

Port Hedland Port Authority spokesman Steed Farrell told AAP the port had activated its cyclone contingency plan at 4pm (WST) on Tuesday in preparation for the wild weather.

“We cleared inbound traffic into the port and cleared the port of vessels that needed to get out,” he said.

Mr Farrell said the port would wait for word from the weather bureau before resuming operations.

The weather bureau says very heavy rainfall is expected later on Wednesday and overnight in the river catchments between Port Hedland and Karratha.

Up to 250mm of rain is possible across central and eastern Pilbara over the next few days with isolated heavier falls near the coast, the bureau says.

Residents in and near Port Hedland and east to Wallal have been warned of the potential of a dangerous storm tide as the cyclone centre crosses the coast overnight.

Tides are likely to rise above the normal high-tide mark with very rough seas and flooding of low-lying coastal areas, the weather bureau says.

Tides elsewhere in the Pilbara should also be higher than normal.

Tropical Cyclone Heidi is the second cyclone of the season for the WA region but is the first to affect the mainland.

It is the first to affect Port Hedland since severely devastating tropical cyclone George in 2007.

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