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Perth (Serpentine) Weather Watch radar has good coverage in all directions. Intense thunderstorm or cold fronts can be seen up to 250 kilometres away, however at this distance the radar is sensing the structure of the system well above the ground and may give a misleading view of the actual surface rainfall intensity of the system. The radar is susceptible to anomalous propagation (AP) for distances up to 60 kilometres along the coastline and seaward of it. The AP appears as an area of low intensity echoes. A local phenomenon which has been observed occasionally is that of false mirror echoes approaching the radar from the southeast as an intense cold front approaches from the south west. The Perth (Serpentine) radar is currently undergoing an evaluation period of twelve months to confirm its coverage is unhindered in all directions. The location is expected to provide good radar coverage with minimal impact on the radar beam from any obstructions and provide a full 360° view. This will be confirmed after the evaluation period. At the end of the 12-month period these notes will be updated. <a
