Kolkata: The cloudy sky and high humidity in the city of the city until Thursday caused a thick fog above the airport late at night, forcing the transfer of three from Kolkata flights.
On Friday morning, conditions shifted 600 km north to Bagdogra; Low visibility There are flights from Kolkata to North Bengal for hours.
The fog formation was unusual in the second week of February because mercury usually rose at the time and low moisture.
But intermittent rain has maintained a low temperature this year and also contributes to moisture in the air, making it conducive to fog.
Meet officials say Kolkata leads to cold weekends because the northwest wind will return, pull the minimum temperature down.
While the city records a minimum temperature of 17.7 ° C on Friday, it can drop three degrees to 14 ° C on Saturday, predict office met.
The minimum temperature can stay around 14 ° C-15 ° C to Sunday, after that he can rise slowly, said the director of the regional meteorology center (RMC) g.
When the main runway at the city airport has been closed for repairs, there are dyes in mercury and fog during closure can mean a large disruption because only one end of the runway is now equipped with an instrument landing system that helps flight visibility.
On Thursday night, the visibility at Kolkata Airport began to dip around 9pm and went under a 75-m sign at 10pm.
All flights are delayed 30 minutes to one hour.
When the visibility deteriorated, Indian air flights were diverted to Bhubaneswar airport around 1am on Friday, followed by two Spicejet flights at around 3.30 in the morning.
Grandmaster chess Sekhar Ganguly, who returned from Amsterdam, was stuck on Air India flights for more than eight hours since Thursday night, until he decided to leave the plane in Bhubaneshwar and take the train on Friday night.
He posted a series of tweets to voice his frustration: “Amsterdam-Mumbai by KLM, achieved in 8 hours.
Mumbai-Kolkata by Air India 8hrs and still hasn’t reached.
Two flights returned from Kolkata Airport because flights could not land due to fog.
How many efforts To land flights? take off at 8:55 at 5 am! “Bagdogra airport remains out of bounds for flight up to 13:00 on Friday.
As a result, all morning flights from Kolkata, starting with Indigo flights are scheduled at 8:15 a.m., detained in Kolkata.