Mesoscale meteorology

The Hellenic National Meteorological Service (EMY) issued an update to its special bulletin ahead of the anticipated severe weather expected to impact most of the country from Sunday until Tuesday morning. 

The weather will steadily deteriorate from late Saturday afternoon until Sunday evening, according to an emergency advisory issued by the National Meteorological Service (EMY).

Heavy showers and thunderstorms, as well as strong gusts, will be the primary elements of the weather shift.

A low pressure system from the northwest accompanied by a cold front will bring adverse weather conditions over the weekend, with gale force winds throughout the country accompanied by heavy rain and storms in the northern and eastern parts of the country.

The National Meteorological Service (EMY) said temperatures in the north will drop by 6 to 8 degrees Celsius.

Although the daily temperatures are still higher than the average for this time of year, with the coming cooling, the weather conditions are in accordance with the season, and by the end of the month more precipitation is expected, rain in the lower areas and snow in the higher areas.

The unprecedented summer weather conditions that prevailed until Wednesday throughout Greece gave way to heavy rain, which flooded streets of the western port city of Patra, on Thursday. Serious problems were also caused both on the old national road and the new Patra-Corinth highway, where landslides occurred.

Today, over the northwestern regions, the cloudiness will temporarily break and decrease, and over the rest it will be more often significant. In many places in Southern and Eastern Bulgaria, there will be short-term rainfall and thunderstorms. In some places, mainly in the Rhodopes and the southeastern regions, the phenomena will be intense and there will be conditions for hail.

Today, there will be short-term rainfall, thunder and temporary wind enhancement in many areas; In some places the phenomena will be intense, there are conditions for hail.

There have been many areas of rain and thunderstorms over the past 24 hours. And in the afternoon there will be showers and thunderstorms, mainly in the mountainous and eastern regions. A weak to moderate north-westerly wind will blow, along the Black Sea - a south-easterly wind. Maximum temperatures will be between 27°C and 32°C.

With the passage of a cold atmospheric front across the country today, rain showers and thunderstorms are expected in the western half of Bulgaria, and there are conditions for hail. The wind will begin to shift from the northwest, bringing cooler air with it.

Today, before noon, sunny weather will prevail over the western half of Bulgaria. Around and after noon, with the passage of a cold atmospheric front, cumulus and cumulus-rain clouds will develop.