Rare tropical storm has weakening but is expected to bring ‘historic’ amount of rainfall and potentially lethal floods
Tropical storm Hilary has weakened after slamming into California but is still set to cause “catastrophic” flooding, forecasters have warned, with the rare storm unleashing historic levels of rainfall to the US south-west.
The National Hurricane Center by Monday morning had downgraded Hilary to a post-tropical cyclone but added that the storm would still bring a “historic amount of rainfall” that is expected to cause “life-threatening to locally catastrophic flash, urban and arroyo flooding”. The storm would also pack strong winds – of about 30mph – and potential landslides and mudslides.
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