An air stream develops between a cyclone NW of Ireland and an anticyclone in the mid Atlantic. A north-westerly stream-like flow sets in between the two counter-rotating curved flows. Close isobars indicate high speeds
== Summary == This is a daily pressure chart of North Atlantic Ocean and Europe based on measured values (analysis). Source: http://www.metoffice.gov.uk/weather/europe/europe_forecast.html == Description == Geostrophic-flow conditions are set when the i