![\"\"](\"https:\/\/blog.kootenay-lake.ca\/wp-content\/uploads\/2014\/03\/halo130313s.jpg\")
<\/p>\n","protected":false},"excerpt":{"rendered":"<\/p>\n
Yesterday, there was a halo around the Sun; this morning, the rain (or snow) began. These events were related.<\/p>\n
The earliest sign of an approaching mid-latitude storm is often a canopy of cirrus—a veil of ice crystals. While simple hexagonal ice crystals will produce a 22\u00b0 halo, there are many forms of ice crystals and the requisite shape for halo production might not be present. Further complicating the relationship between haloes and storms is the fact that other types of weather can also produce a halo. Alas, it is neither true that a storm is always presaged by a halo, nor that a halo is only associated with a storm.<\/p>\n
Yet, a storm is preceded by a halo sufficiently often that the link between the two has become a part of weather lore.\u00a0<\/p>\n
Yesterday’s 22\u00b0 halo presaged today’s rain.<\/p>\n","protected":false},"excerpt":{"rendered":"
Yesterday, there was a halo around the Sun; this morning, the rain (or snow) began. These events were related. The earliest sign of an approaching mid-latitude storm is often a canopy of cirrus—a veil of ice crystals. While simple … Continue reading