From July 19th, a gray haze wraps around Pittsburgh and the eerie red sun shines from afternoon to evening. On July 20, the haze remained on Pittsburgh and spread to many parts of the northeastern United States. According to meteorologists, haze is the smoke of wildfires from the western United States and Canada.
“The sky is hazy because of the smoke of a wildfire from Canada,” tweeted the National Weather Service’s Pittsburgh account on July 19.
The sky is hazy due to the smoke of a wildfire from Canada.
Below is a link to a high resolution model (HRRR) that will help you predict the potential for vertically integrated smoke near the surface in the short term …https://t.co/OF9Gl7yLsi
— NWS Pittsburgh (@NWSPittsburgh) July 19, 2021
Fires in Canada are not the only reason smoke spreads thousands of miles into North America. As of July 19, there were nearly 120 wildfires in the western United States, according to a press release from weather media company AccuWeather. According to the US Forest Office, at least 60 of them were considered large and uncontained.
“Smoke particles are small and light, so they can carry hundreds of miles without being thousands of miles from the source,” AccuWeather meteorologist Alex Da Silva said in a press release.
Correspondingly, the Pittsburgh area was published Code orange air quality alert July 20th. this is, Air quality is unhealthy for sensitive groups People with respiratory problems such as asthma and emphysema and people, including the elderly, usually have poor air quality in Pittsburgh. Caused by temperature reversals that trap industrial pollutants Near the surface. However, this time the main cause is a forest fire from a distant area.
The Pennsylvania Environmental Protection Agency advises people not to use fireplaces on wood stoves or gas lawns or garden equipment on air quality days.
Wildfire smoke covers Pittsburgh and many parts of the northeast | News | Pittsburgh
Source link Wildfire smoke covers Pittsburgh and many parts of the northeast | News | Pittsburgh