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Threat From 2020 Wildfires Extends Into Winter, Through Damaged Soil And Foliage

Brian Bull

This year’s wildfires have left a lingering hazard: burn scars and compromised soil. This means potential flooding and landslides throughout the winter.

Heavy snow and rain will make for soggy conditions across the region. For places like the McKenzie River Corridor which was ravaged by the Holiday Farm Fire this year, the soil has been stripped of its ability to absorb moisture. 

Althea Rizzo, geologic hazards program coordinator for the Oregon Office of Emergency Management, says mud, boulders, and trees could collapse in steep areas.

“We don’t have an alarm system for these types of debris flows. So just keep an eye on the hillsides. And they’re frequently preceded by cracking branches and loud pops. Those root systems are starting to break and crack.  Make sure that you have a grab and go bag, ready to go in case something happens.” 

Credit ODOT / ODOT
Flood water runs over U.S. 395 near Pilot Rock, May 21, 2020. Six inches of moving water can knock over an adult and 12 inches can carry away a small vehicle. Many flood-related fatalities are caused by vehicles driven into hazardous waters.

Rizzo added that if you’re by a river or creek, and the water suddenly turns muddy, that could mean a debris flow headed your way and you should leave immediately.

Rizzo said power lines and utility poles are also vulnerable, so outages are another hazard.

“This is a good time to make sure that you have a few days’ worth of supplies, you’ve got your cell phone charged up.  Make sure you have enough medications on hand so if you can’t make it to the pharmacy in the next few days, you can tide yourself over.

"So it’s just another example of why Oregonians really need to be prepared for any natural or manmade disasters.”

Rizzo warned against people driving or walking through flooded areas, as even just a few inches of flowing water can knock a person down or carry off a vehicle.

Copyright 2020, KLCC.

Brian Bull joined the KLCC News Team in June 2016. In his 25+ years as a public media journalist, he's worked at NPR, Twin Cities Public Television, South Dakota Public Broadcasting, Wisconsin Public Radio, and ideastream in Cleveland. His reporting has netted dozens of accolades, including four national Edward R. Murrow Awards (19 regional), the Ohio Associated Press' Best Reporter Award, Best Radio Reporter from the Native American Journalists Association, and the PRNDI/NEFE Award for Excellence in Consumer Finance Reporting.
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