Global storm activity

More than 400 flights were canceled at the airport in Toronto, Canada due to heavy snowfall, BGNESreported.

"Winter has come, time may affect some flights in the morning, do not forget to check your flight before heading to the airport," the airport said.

Strong showers and storms are expected in western Greece on Saturday, spreading to the east on Sunday, along with snowfall in northwestern parts, the national weather service warned on Friday.

Albanians are preparing for the worst as non-stop torrential rains have started and are predicted to continue for several days - with major flooding predicted across the country, Tirana Times reported.

Several parts of the country were already seeing floods by Thursday night, with the main highway linking Tirana to Durres closed to trafficking due to high water.

The fire department in Greece said rescue teams are searching for six people whose disappearance has been reported due to heavy flash flooding near Athens.

At least 14 people died in the floods on Wednesday.

The snowfall and cold weather, which covered the northwestern part of the Balkan Peninsula on Monday, caused serious problems in Slovenia, Croatia and Bosnia and Herzegovina. Croatia was covered by a snowstorm on Monday, which led to a stop in ferry traffic and caused chaos on the roads. The areas around Capella, Slim and Gorski kotar were the most affected, reports actualno. 

The local news site 057 reports that parts of the coastal city of Zadar in Croatia are under water, after heavy rain fell in the space of only two hours on Monday morning - the worst single rainfall since 1986, meteorologists said.

The forecast for snowfall in April came true last night in Sofia.

A cold front passing through Bulgaria and a northwestern wind brought the winter time back, after it has already happen in Bosnia and Herzegovina, announced a BGNES's reporter.

Abundant precipitation is expected throughout Serbia in the week ahead, through April 24, the Hydro-Meteorological Institute (RHMZ) announced on Monday.

Tuesday will be mostly clear and cold, with temperatures dropping below zero degrees Celsius in some areas. Later during the day, clouds will bring rain, and snow in the mountains.

Winter Storm Stella lashed the northeastern United States with sleet and snow on March 14, cancelling thousands of flights, closing schools and shutting stores, knocking out electricity to 200,000 customers but New York and Washington escaped the worst of the weather.

Most areas of Serbia will see snowfall starting on Monday until Sunday, the The Hydro-Meteorological Institute (RHMZ) has announced.

These will also be "ice days" - i.e., the temperature will remain below 0 degrees Celsius around the clock.