Storm in Poland – as regular as summer break. Why constantly July and August?

July and August are joyful months for polish children when they check the date. With the end of June they begin the summer vacation. For their guardians it is lazy period too – they constantly take a break in their bussineses cause it is fine period to spend free time in Poland. There is only one uncertain thing – local climate.
That mentioned two months are the moment, when in Poland happens the highest temperature is deeply warmth.

Lightning

Autor: David Prasad
Źródło: http://www.flickr.com
Ordinarily, after week with 86-95 Fahrenheit degrees warm air near the Earth inosculate with cooler wind coming from Scandinavia. Together it is create colossal, a few days long storm with lightning. The most massive storms in national past times occurred over 80 years ago. First one in July 1928 in Warsaw dużo odnajdziesz warsawcitytours.info and neighborhood. That gale leads to colossal material losses.

There is no summary information but local newapapers informed about 62 casualties, above 150 wounded, ruined apartments, telegraph poles and trees. Lightning bolts caused over 100 houses fires. Second huge gale occurred in July 1931 near Lublin. Regional media break the news about wind blowing at a speed of 500 km/h. Current one of the largest storm happened between Wrocław and Łódź in 23rd of July 2009 – this two cities are more than 200 km away from themselves. Gale (called “Derecho”) causes death of 10 people and 100 wounded. In Poland storms with lightning are annual incident. Highest recurrence of gales is in mountainous part of country – in places called Żywiecczyzna, Bieszczady Mountains and Tatra Mountains it happen almost 35 days per year. Lowest recurrence is in the northern part – one in the 18 days.

Another unusual incidents are hailstorms. But what should happen to create that sort of storm? 65 of 68 storms with hail happen when temperature was slightly over 59 Fahrenheit degrees and atmospheric pressure is roughly 850 hPA. Second aspect of recurrence of hail is proximity of weather front with equator and polar air masses. How can we be confident that our holiday won’t be disturbed by storm? Pick late August days or early June, pick another state for a course or take a fancy to winter rest.