When we come to analyze
When we come to analyze
the southward of this latitude, and the winds near Cape St. Roque are more Southerly than in the previous monthThe homeward bounder would certainly do well to pass the parallel of Cin about, seeing that he will thus escape the large amounts of light Northwesterly and Northerly winds which prevail in the northeastern part of the squarIsobars and Wind ArrowPressure has increased at a mean amount ofi over the whole square since May; this is the greatest increase during any month in the year. this increase, we find that it amounts to ‘ betweenand, whilst it is onlybetweenand; now betweenand temperature has decreased nearly , whilst betweenand it has increased to the same amount.The isobars are irregular, and for the first time the highest pressure shows in the southern part of the square, and it continues there till November.The plain wind arrows show that theTrade has retreatedon the western andon the eastern side of the square since May, also that it has grown weaker in forcThe dotted wind arrows show how much theTrade has gained both in amount and force, backed up, as we find it is, by an inrush of high pressure from the southwarIsotherms of Sea and Air.The isotherms of sea and air show that there has been an increase of temperature in theand decrease in thesince May, so that now for the first time, since November, both are colder in thethan theThe hottest air and water are now on the western side of the square in the neighbourhood of the lowest pressurCurrent ArrowThe plain current arrows show that the Westerly current betweenand, which is due to theTrade, has become more decided and stronger, but is still running a little to the northward of , whilst that due to theTrade only holds in a fewsquares in the northwestern corner of the square where theTrade still prevails, it still runs a little to the southward ofBetween them comes the Easterly dotted arrow current, which inclines to the northeastward into that corner of the square which has little or no wind, indicating how thoroughly it is a backdrift of water which has been heaped up by the Trade It seems worthy of notice that the sea temperature in the northeastern corner of the Square has.