This information has been provided by Radarsat, a Canadian satellite capable of detecting detailed water and land features through thick clouds, fog and rain using synthetic-aperture radar equipment.

ECONOMIST: A deluge of information | The

Billowing clouds and persistent fog still hugged the coastline.

FORBES: San Francisco: Up Close And Personal

The day was gray and moist, with low clouds weighing on the rooftops and a thin fog floating below.

NEWYORKER: Waiting

The morning started out quite grey and overcast, but as the clouds started to break, the sun came out and a fog rose up.

BBC: Meet this month��s BBC Travel Photo Nomad