Mesoscale meteorology

Overnight and into tomorrow, widespread precipitation is expected, with more intense thunderstorms in Western and Central Bulgaria. Northwestern regions will see a shift in wind direction from the west-northwest, bringing cooler temperatures of around 19° to 20°.

A storm system named Cassandra is expected to affect western Greece on Friday, bringing clouds, rain, and isolated thunderstorms, according to a bulletin from the National Meteorological Service (EMY).

The severe weather is expected to ease by nighttime.

The weather pattern is set to change again as the storm system Cassandra, forming in the central Mediterranean, is expected to impact Greece from Friday afternoon. This was reported by Thodoris Kolydas, director of the National Meteorological Service (EMY), on social media.

Today is forecast to be a difficult day with bad weather affecting several areas of the country.

Light showers and showers in the west, central and northern parts will occur in the country today, according to ERT meteorologist Panagiotis Giannopoulos.

Sharp instability is expected to prevail in the coming days in Greece, with emphasis on the western, central and northern geographical regions, according to meteorologist Klearchos Marousakis.

On Wednesday, Bulgaria will experience severe weather conditions, with code orange and yellow alerts issued for heavy rain and thunderstorms. The National Institute of Meteorology and Hydrology announced that significant precipitation is expected in Central and Eastern Bulgaria.

The state and the General Secretariat for Civil Protection are on high alert as storm Atena has already started affecting the country. According to meteorological forecasts, it will continue until Wednesday afternoon. Yesterday, the first alerts from the 112 emergency service were sent to citizens’ mobile phones in Western Greece, Macedonia, and Thessaly.

Today's weather in Bulgaria will be mostly sunny, but clouds will increase from the west in the afternoon, becoming thicker by evening when rain will start in the western regions. A weak wind will blow from the southeast, shifting to a west-northwesterly direction in the western Danube plain by evening. Maximum temperatures will range from 27°C to 32°C, with Sofia seeing around 28°C.

 The Hellenic National Meteorological Service (EMY) updated its emergency weather bulletin on Sunday afternoon, noting that a low-pressure system forming in the Western Mediterranean is causing storm “Atena” in the Central Mediterranean and is moving eastward.