Heatwaves tormenting parts of southern and eastern China are set to persist through June.
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They will put power grids under strain as air conditioners are turned on full blast.
In the next three days, most of southern China is expected to suffer temperatures of more than 35 Celsius with temperatures in some areas exceeding 40C, national forecasters said on Friday.
Vietnam is turning off street lights and manufacturers are switching operations to off-peak hours to keep the national power system running amid record temperatures in some areas that have caused a surge in demand.
As weather officials warn the heatwave could run into June, several cities have cut back on public lighting and government offices have been urged to cut power use by a tenth after state utility EVN said the national grid faced strain in coming weeks.
Temperatures this week are expected to range between 26 degrees Celsius and 38 degrees Celsius, weather officials say.
Delhi's primary weather station, the Safdarjung Observatory, has not recorded any heat wave in the pre-monsoon season.
May, historically the hottest month in Delhi with a mean maximum temperature of 39.5 degrees Celsius, has recorded below-normal temperatures and excess rain this time.
Eastern Canada sweltered under a record-breaking heat wave on Thursday that risked inflaming wildfires ravaging the Atlantic coast and other parts of the country with "unprecedented" ferocity and scale.
More than 210 fires were burning across Canada, including 82 out of control. And more than 2.7 million hectares have been scorched already this year, eight times more than the last three decades' average, say officials.
Met Eireann has confirmed that the heatwave will continue into next week, with temperatures possibly reaching 30C in some areas.
The coming Bank Holiday weekend is confirmed to bring fine, warm, and settled weather, with no rain in sight. Western areas will likely experience the best conditions.
Dry and sunny conditions will last well into next week as per the current forecast.
Temperatures will start out in Tennessee in the 60s on Sunday, but 90s are back in the forecast for highs. A mix of sun and clouds are expected for the morning, and pop-up showers and storms can be expected through the afternoon and evening. The rain chance is 40%. A storm or two may contain strong wind and up to quarter sized hail.
An early heatwave has gripped the Wabash Valley with highs on Saturday reaching the mid 90’s in some spots in Indiana. ■