"Red sky at night, sailors' delight. Red sky at morning, sailors take warning."
This rhyme is a rule of thumb used for weather forecasting during the past two millennia. It is based on the reddish glow of the morning or evening sky, caused by haze or clouds related to storms in the region. If the morning skies are red, it is because clear skies over the horizon to the east permit the sun to light the undersides of moisture-bearing clouds. The saying assumes that more such clouds are coming in from the west. Conversely, in order to see red clouds in the evening, sunlight must have a clear path from the west, so therefore the prevailing westerly wind must be bringing clear skies.
Fishing boats moored in Steveston Harbour - the largest commercial fishing harbour in Canada under the DFO - SCH Harbour Authority Program.
October 15th, 2015
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