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The ARIA team compared the data for both images to the Google Crisismap for preliminary validation.Īlthough the maps may be less reliable over vegetated terrain, like farmland, they can help officials and first responders identify heavily damaged areas and allocate resources as needed. Like the previous map, red areas show the most severe surface change, or damage. It depicts an area of about 55 miles by 48 miles (88 km by 77 km) and includes the city of Paradise, one of the most devastated areas. The second map (below) shows damage from the Camp Fire in Northern California as of Saturday, Nov. The color variation from yellow to red indicates increasing ground surface change, or damage. It covers an area of about 50 miles by 25 miles (80 km by 40 km) - framed by the red polygon. The first map shows areas likely damaged by the Woolsey Fire as of Sunday, Nov. Story by Mike Carlowicz.The Advanced Rapid Imaging and Analysis (ARIA) team at NASA's Jet Propulsion Laboratory in Pasadena, California, produced new damage maps using synthetic aperture radar images from the Copernicus Sentinel-1 satellites. NASA Earth Observatory images by Joshua Stevens, using MODIS data from LANCE/EOSDIS Rapid Response. That fire was fanned by strong gusts of Santa Ana winds. Though it is not visible in this imagery, wildfires also broke out on October 9 in Southern California’s Orange County. Californians have built in what are historical fire corridors, and these high-density developments are particularly vulnerable to fast-moving, destructive fires.” “The fires erupted in areas where wildlands meet urban and suburban development. “The simple formula is fuel-plus-meteorology-plus-ignition equals fire. Wildfires that ravaged Northern California in October led to 44 deaths and the destruction of over 8,400 structures, including homes and businesses, making their mark as the.
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These downslope winds can quickly whip up a fire and carry burning embers to the next neighborhood or patch of woodland. Winds blow from northeast to southwest over California’s mountain ranges and down through the valleys and coastal regions. These Diablo winds are driven by atmospheric high-pressure systems over the Great Basin (mostly in Nevada). The fall season also typically brings hot, dry, and gusty winds. “Last winter’s welcome rains created more vegetation that, over the past six months, created more fuel.” “After more than a decade of drought, the fuel levels-dry brush and grasses-across California are exceptionally high,” said William Patzert, a climatologist at NASA’s Jet Propulsion Laboratory. While the causes of the fires are still under investigation, we do know what helped them spread quickly: abundant dried vegetation and seasonal wind patterns. As of the morning of October 10, none of the fires were even partially contained, according to CalFire bulletins. Authorities are still accounting for deaths and people reported missing. Cellular and land-line phone communications have been lost in several areas. In some places, entire neighborhoods burned to the ground. About two hours later, the MODIS instrument on NASA’s Aqua satellite captured the second view.ĬalFire and local officials reported that at least 1,500 homes and businesses have been destroyed, and thousands more are being threatened. In the late morning of October 9, the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite acquired a natural-color image (top) of the smoke billowing from the fires. The densely populated “wine country” is famous for its vineyards and wine-making operations and the tourists they attract. States of emergency have been declared in Napa, Sonoma, Yuba, and Mendocino counties, and thousands of people were asked to evacuate.
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Blazes that started on a few hundred acres around Napa Valley were fanned by strong northeasterly winds, and by October 10, the 14 fires had consumed as much as 100,000 acres (150 square miles) of land. The fires began in early October and, fanned by strong wind gusts, left behind. Parts of northern California have been ravaged by intense and fast-burning wildfires that broke out on October 8, 2017. The map above displays the known status of buildings in the path of the deadly 2017 Northern California wildfires.