Dissecting data: Pinpointing houses threatened by wildfire
5 years, 11 months ago

Dissecting data: Pinpointing houses threatened by wildfire

Associated Press  

SACRAMENTO, California — These California communities could be the next Paradise. To estimate how many, McClatchy used two primary sources: The U.S. Census Bureau and Cal Fire maps showing “very high fire hazard severity zones.” The analysis used block-level data from the 2010 Census. — There is more likely to be discrepancies between census blocks and very high hazard fire zones in sparsely-populated places, where blocks tend to cover a larger geographic area. To figure out which homes tended to survive the Camp Fire, McClatchy used damage assessment maps and data from Cal Fire showing homes in the path of the fire. Cal Fire’s damage assessment included all homes in the Camp Fire perimeter and homes within 100 meters of the perimeter — close enough for embers to spark a new fire.

History of this topic

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