As the August 20 fireworks approach, forecast uncertainty invariably rises, for late summer brings a confluence of atmospheric influences to the Carpathian Basin. This volatility, coupled with the sudden onset of violent showers and thunderstorms, could place the national day celebrations in jeopardy. There is precedent: a few years ago the display was called off over fears of an approaching storm, while in 2006 an inhuman gale that broke during the fireworks themselves left five dead and hundreds injured.
Forecasting August 20 remains notoriously difficult
The Carpathian Basin’s hitherto monotonous summer weather is now shifting. This morning, a continuous cloud layer obscured the sun over Budapest, and a brief shower drenched the capital and its environs in the small hours. For weeks there had been no rain to speak of, nor even cloudy skies; a scorching heatwave had baked Hungary and the surrounding region.
A significant atmospheric reorganisation is under way, yet the heat is not retreating – and that combination may render the national holiday genuinely hazardous. Cool, 12–22°C dawns will be followed by daytime highs of 30–35°C, conditions that readily spawn violent showers and thunderstorms. The meteorological service has therefore issued lemon-yellow warnings for several counties, as reported by Blikk. Precisely what to expect on Thursday remains exceptionally difficult to predict.
On multiple occasions, forecasters have only been able to confirm at the last moment that no major storm would materialise; conversely, events have been cancelled on the basis of such warnings.
Ominous precedents
In 2022, for example, forecasts indicated a serious storm threatening the capital. When the prediction ultimately proved erroneous, the Government dismissed the then president and deputy president of the National Meteorological Service. The fireworks were held a week later, on August 27.On August 20, 2006, however, the display was not called off in time. A storm arriving with winds of 120 km/h struck the celebrating capital. Five people died and more than 300 were injured; the Orbán government in 2022 was determined to avoid any repeat of that catastrophe.
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A radical shift in Hungary’s weather
At present, meteorologists are expecting partly cloudy, sunny conditions on August 20, but showers and thunderstorms could break out almost anywhere owing to the persistent heat and elevated mean temperatures.
According to an analysis by The Weather on Maps, the heatwave-inducing air mass is drifting eastwards and weakening, while a cool oceanic–Arctic air mass is advancing; their frontal boundary will undulate over our region, definitively ending the recent weather monotony. This, however, introduces another uncertainty factor for the fireworks. It is also the change that may bring more substantial rainfall to the upper catchment of the Danube and thus assist Paks.
On the national holiday, therefore, everyone would do well to keep abreast of the expected weather – and then no one should be caught unawares.
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