Regional Met director, G K Das, said the wind speeds will gradually pick up from Tuesday afternoon and reach 75-85 kmph with gusts of up to 95 kmph from the morning of May 20 along and off districts of North and South 24 Parganas, East and West Midnapore, Kolkata, Howrah and Hooghly. He further added that North and South 24 Parganas and East Midnapore can see wind speeds of 165-175 kmph with gusts of up to 195 kmph from afternoon to night of May