Newly installed Karratha radar now live, providing better weather system visibility and less interference

October 21

A new weather radar in Karratha is providing better visibility of weather systems and less interference on the Bureau of Meteorology’s website and the BOM Weather app.

The new radar was built to replace a temporary radar in Dampier, put in place after the old radar was damaged by Cyclone Damien in February 2020.

It will provide higher quality images during intense rain and storms and improve the image resolution between rain and hail.

Bureau of Meteorology WA manager James Ashley said the new dual-polarised Doppler radar is an important tool for observing rainfall and wind conditions in real time across big areas, including approaching tropical cyclones.

“The new Karratha weather radar will benefit communities, emergency services and local industry across parts of the Pilbara region, Dampier Archipelago and surrounding areas,” he said.

“The upgraded radar will eventually replace the temporary Dampier radar.

“The temporary Dampier radar will remain in place for up to six months, to ensure continuous radar coverage while the bureau completes monitoring and optimisation of the new Karratha radar.”

Camera IconA self-propelled modular transporter was needed to get the tower segments to the top of the radar site. Credit: The Bureau of Meteorogy

Mr Ashley said construction of the Karratha radar required specialist equipment to reach the new site.

“A self-propelled modular transporter – essentially a giant remote-controlled truck – was needed to get the tower segments to the top of the radar site,” he said.

Radars collect data to feed into the bureau’s models and forecasts to deliver better rainfall and flood warnings, estimates of accumulated rainfall and stored soil moisture, short-term forecasts of rainfall and severe weather, hail location and strength of wind changes.

The Karratha radar is one part of the bureau’s comprehensive weather observation network of more than 11,000 assets including satellites, upper atmosphere monitoring, automatic weather stations, ocean buoys and flood warning networks.

Together these enable industry to make better decisions when preparing for severe weather, help farming businesses make timely decisions, such as movement of stock, chemical and fertiliser application, sowing and harvesting and increase the accuracy of forecasts every year.

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