A spell of unseasonably warm weather affected southern and western parts of the US and south-western Canada last week, with temperatures 15-20C above average in places. December temperature records were broken in multiple locations. Penticton in British Columbia had its highest ever December on the 1st as the temperature reached 22.5C. In the US, Montana, North Dakota, Washington and Wyoming all equalled or broke state temperature records for December.
Not all the US states are seeing unseasonable warmth, however. The National Weather Service (NWS) issued a fairly rare blizzard warning last weekend for the summits of Big Island, Hawaii. It forecast up to 20cm (8in) of snow and winds gusting up to 125mph. The NWS has not issued a blizzard warning for that region since 2018. The same system that brought the snow also caused heavy rain at lower levels.
Heavy rain was also problematic on the other side of the world. As Tropical Storm Jawad tracked north-west in the Bay of Bengal, more than 50,000 people were evacuated from the state of Andhra Pradesh in eastern India. Schools were closed, some public transport was cancelled, and offshore oil drilling was suspended. The storm later tracked north then north-east, weakening to a tropical depression in Bangladesh.
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