Abstract
The paper presents results of research based on analysis of weather conditions during the storm front on 11th and 12th August, 2017, which has been relocated through a significant area of Poland. The front with an unprecedented force struck the infrastructure of the Academic Training Centre in the village of Czernica (ATC Czernica) on 11th August, 2017 about 23:05 CET. Due to wind impact of near-hurricane force, significant damage in the facility’s infrastructure and the biggest losses are incurred in forest resources. The data from the front passage through Gdynia was observed on a mobile meteorological station located at the Naval Academy in Gdynia. Describing the phenomenon and displaying the losses caused is one of the historical goals set before the article, because such a rapid weather phenomenon has not been recorded in the more than 50-years history of the Center in Czernica.