At 8 a.m. today (May 30), more than two hours after sunrise, fire smoke from Alberta, Canada forest fires thousands of miles away still reddened the sun and attenuated its light. Bob King
It must have been a premonition. In an astronomy talk on Tuesday I encouraged the group to make good use of every clear night before smoke from Canadian forest fires smudges out the stars. That very evening the pall arrived. Sure, it made for a fiery orange ball of a sunset sun, but since then smoke has robbed the stars of their splendor.
Today’s fire smoke map shows a broad “tongue” of smoke reaching from northwestern Canada across the U.S. and southern Canada. Meanwhile, out-of-control forest fires in Mexico are polluting the skies in that region. The darker the color, the thicker the smoke. Click image for the current map. NOAA
Ghostly clouds of fire smoke are faintly visible in a blue sky on May 29. Bob King
In what has become an annual occurrence, extreme dryness in the northern Canadian provinces and California has led to a rash of wildfires. Winds from the north and west have blown the smoke across the continent in spreading gray ...