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ASPartOfMe
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27 Jul 2024, 3:58 am

Smoke from wildfires in Canada and the West Coast spreads across North America

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Intense wildfires in western Canada have sent huge plumes of smoke sweeping across North America in recent days — pollution that has been captured in images by NASA satellites, aircraft and ground-based observatories.

An animation NASA released Friday showed smoke blanketing British Columbia, Alberta, Saskatchewan, Manitoba and the Northwest Territories in Canada, and drifting over Montana, Colorado, Kansas, Wisconsin and other parts of the Midwest.

As of Friday afternoon, 948 active fires were burning in Canada, including 387 considered out of control, according to the Canadian Interagency Forest Fire Centre. One fast-moving blaze caused widespread destruction to Jasper, a popular alpine resort town in Alberta, and forced 25,000 people to evacuate.

Large fires in the Pacific Northwest and California are polluting nearby air, as well. Over the past week, air quality alerts and advisories have been issued in Washington State, Oregon, Idaho, Colorado and Wyoming. Smoky skies were also reported in North Dakota, South Dakota and across the High Plains.

Oregon has the largest active blaze in the U.S., which has been fueled by lightning, hot weather and high winds. In total, nearly 1 million acres have burned in more than 35 uncontrolled wildfires in the state.

In neighboring Idaho, fast-moving fires forced the evacuation of the entire town of Juliaetta on Thursday. More than 600 residents fled as the Gwen Fire and others burning in the region continued to spread.

Cities in Oregon, Montana, California and Idaho topped the list of locations with the worst air quality in the country on Friday, according to IQAir, a Swiss air monitoring company. Air pollution levels in Burns, Oregon, for instance, were considered “hazardous,” while air quality in Stevensville, Montana, was “very unhealthy.”

In California, the Park Fire has already burned more than 250 square miles in the Chico area since it started on Wednesday, and it remained uncontained as of Friday morning.

Firefighters are also battling the lightning-sparked Gold Complex fires in California’s Plumas National Forest, which have consumed more than 5 square miles since July 22. The fires are only 11% contained as of Friday afternoon, and winds are helping the blazes spread rapidly, according to Cal Fire.

Wildfire smoke, which has spread as far east as New England and as far south as Mexico, has myriad consequences for human health.

In both Canada and the western U.S., thunderstorms have played a role in igniting many of the active wildfires. Gusty winds, hot conditions and more thunderstorms then fanned the flames.

Although summer wildfires are not uncommon across western Canada and the U.S., scientists say that climate change is increasing the risk of these blazes by creating more favorable conditions for wildfires to start and spread. Hotter temperatures also help dry out vegetation, making it easier to burn


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jimmy m
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30 Jul 2024, 1:06 pm

These are fairly massive wildfires. Thousands and thousands of fires. One state is almost completely engulfed.

Many years ago when I was a teenager, people cut the forest trees in the west coast of the U.S. This approach limited and diffused the massive forest fires. But then environmentalist became involved and clamped down on the controlled harvesting of wood in the U.S. As a result, when fires erupt, they become massive burns.


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