vihmaperioode

Vihmaperioode, also known as the "Vihma Period," is a meteorological phenomenon that occurs in the Baltic Sea region, particularly in Estonia and Finland. It is characterized by a prolonged period of calm weather, often lasting for several days to weeks, during which the sea remains relatively still. This period is typically followed by a rapid change in weather conditions, often leading to stormy weather.

The term "vihmaperioode" is derived from the Finnish word "vihma," which means storm, and "perioode," which means period. The phenomenon is closely associated with the Gulf Stream, which brings warm water from the Gulf of Mexico to the North Atlantic. This warm water influences the atmospheric pressure and wind patterns in the Baltic Sea region, leading to the occurrence of vihmaperioode.

During a vihmaperioode, the sea surface temperature can rise significantly, sometimes exceeding 20 degrees Celsius (68 degrees Fahrenheit). This warm water can then fuel the development of intense storms when the weather conditions change. The storms that follow a vihmaperioode can be particularly dangerous, as they often catch people by surprise due to the preceding calm weather.

Vihmaperioode is a well-known phenomenon in the Baltic Sea region, and its occurrence has been studied by meteorologists and climatologists for many years. While the exact mechanisms behind the phenomenon are still not fully understood, it is clear that it plays an important role in the region's weather patterns and climate.