Romania's ANM debunks 'Omega block' heatwave claims, cites North African air mass

Romania is experiencing its fourth major heatwave of the summer, but the National Meteorological Administration (ANM) has dismissed widespread online claims that an "Omega block" weather pattern will cause extreme heat.

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Although some enthusiasts spread this news on the internet, it actually represents disinformation. It's not about an Omega block, but about a mass of warm air that has entered the southern and central regions of Europe.

Instead, the ANM explained that the high temperatures are due to a mass of warm air originating from North Africa. This air mass has already entered southern and central Europe and is gradually moving eastward, expected to reach Romania. The ANM stressed that information about an Omega block is unfounded and urged the public to rely on official sources.

Meteorologists anticipate temperatures could reach around 39 degrees Celsius (102 degrees Fahrenheit) in western Romania on Monday and Tuesday. The warm air mass is expected to influence the entire country throughout the coming week, with variations possible over the next two weeks. However, the ANM noted significant uncertainty regarding longer-term forecasts.

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This air mass, originating from North Africa, is gradually moving eastward and will eventually cover the geographical area of Romania.

Unlike a previous heatwave, this period of high temperatures is not expected to be accompanied by severe weather phenomena like storms or gales. While short-lived precipitation might occur in mountainous areas, accompanied by electrical discharges, the overall weather is predicted to remain pleasant for at least the next six days. The ANM clarified that this heat event will differ from the previous one, which brought intense heat alongside severe weather.

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Unlike the previous heatwave episode, after this period of high temperatures, a new wave of atmospheric instability, accompanied by gales and storms, will not set in.