Authorities Warn of High Winds, Heavy Rains, Landslides in Region

Credit: Lynn Hill

Heavy rains, high winds, tall waves, and the potential for landslides or flash floods are in the forecast for Southern Oregon and Northern California.

Posted: Dec 17, 2018 11:55 AM
Updated: Dec 17, 2018 4:13 PM

MEDFORD, Ore. — Multiple authorities are warning of significant weather impacts in the areas of Southern Oregon and Northern California this week as a major storm system moves in — including heavy rains, high winds, tall waves, and the potential for landslides or flash floods.

The National Weather Service predicts with "high confidence" that the region will see heavy rain, strong winds and high surf from Monday night through Tuesday.

Winds will be worst along the coast and in the higher areas east of the Cascades. The heaviest rains are expected along the coast and into the mountains through Tuesday afternoon.

A flash flood watch is in effect for the Klondike and Chetco Bar burn scars in Curry and Josephine counties for Tuesday until 10 p.m.

"Heavy rain can trigger landslides and debris flows in steep terrain, and the risk is higher in burn areas," said the Oregon Dept. of Geology and Mineral Industries in a statement.

One form of risk in these areas are debris flows — "rapidly moving, extremely destructive landslides." These slides can contain boulders or logs carried along in rapidly shifting wet soil down steep hillsides or through canyones. They can travel a mile or more at a time.

"A debris flow moves faster than a person can run. People, structures and roads located below steep slopes in canyons and near the mouths of canyons may be at serious risk," the Department said.

Meanwhile, the Oregon Office of Emergency Management (OEM) has created a new dashboard to track "forecasted stream gauge information" in an attempt to display flooding potential by area.

"This new dashboard shows the number many gauges in action state or higher, a map on which you can click points representing the stream gauges, and details that show the gauge information sorted by waterbody and location," said OEM.


Visit our StormWatch 12 Weather page for the latest forecasts, plus any warnings, watches or advisories for our area!

Oregon Coronavirus Cases

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CountyCasesDeaths
Multnomah31877528
Washington21211212
Marion18468285
Clackamas13380175
Lane10258126
Jackson8395112
Umatilla765982
Deschutes595259
Yamhill378364
Linn359056
Malheur335158
Polk306442
Klamath279155
Douglas247454
Benton234416
Josephine234050
Jefferson195828
Coos149119
Union128419
Columbia126521
Wasco122126
Lincoln113220
Hood River106929
Morrow104914
Clatsop7756
Crook77518
Baker6567
Curry4296
Tillamook4142
Lake3766
Harney2736
Grant2231
Wallowa1424
Gilliam531
Sherman530
Wheeler221
Unassigned00

California Coronavirus Cases

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Cases: 3566914

Reported Deaths: 52158
CountyCasesDeaths
Los Angeles119192321435
Riverside2894503767
San Bernardino2866072874
Orange2612203917
San Diego2600913284
Santa Clara1106211777
Kern102627827
Fresno953931443
Sacramento932811472
Alameda806681242
Ventura77623844
San Joaquin665691101
Contra Costa62248681
Stanislaus56132946
Tulare47784758
Monterey42138328
San Mateo38998515
San Francisco34260412
Santa Barbara31805411
Solano30024164
Merced28915397
Sonoma28141298
Imperial26903591
Kings21955218
Placer19763232
San Luis Obispo19612227
Madera15467209
Santa Cruz14588183
Marin13136197
Yolo12834185
Shasta10985174
Butte10962160
El Dorado9095100
Napa903869
Sutter884597
San Benito576759
Yuba573337
Lassen560119
Tehama508152
Nevada396074
Tuolumne394659
Mendocino379643
Amador346341
Humboldt318033
Lake315641
Glenn222523
Colusa212813
Calaveras190547
Siskiyou174014
Inyo128737
Mono12114
Del Norte9875
Plumas6536
Modoc4524
Mariposa3957
Trinity3675
Sierra990
Alpine810
Unassigned00
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