Flood Concerns Persist With More Rain Ahead: Puget Sound Forecast

SEATTLE — Flood concerns and an elevated landslide risk will continue until at least midweek, with the first real shot of things drying out unlikely to arrive until Thursday, according to the National Weather Service.

Monday should be calmer than the holiday weekend, and should even allow for a brief break, but forecasters expect heavier rain will not be far behind.

(National Weather Service)

“We will likely see a short window of ‘dry’ weather later in the day Monday, but this will be short-lived as the next weather system moves in early Tuesday,” wrote Mary Butwin, a meteorologist with NWS Seattle. “With rain continuing, the threat of landslides remains as soils are saturated and unstable.”

As the Seattle Weather Blog reports, the Emerald City has already seen its wettest month in years and logged more rain than any other meteorological fall on record.

The transition to more showery conditions Monday should allow for some rivers to crest and others to recede, but Tuesday and Wednesday could renew flooding concerns, particularly for communities in Northwest Washington.

(National Weather Service)

Currently, the National Weather Service expects rainfall totals from the third front will look similar to the weekend, with the lowlands picking up another inch or two of precipitation, while the Olympics and Cascades log another two to four inches of rain.

Some communities may benefit from a rain shadow, but wind gusts and very wet soil could still lend to unwelcome effects.

“As has been the case with this system, a period of rain shadowing will be possible across the central and northern Puget Sound, which would promote a period of gusty winds,” forecasters wrote Sunday. “Given saturated ground, more notable impacts with respect to power outages and tree damage are not out of the question. This will also likely add extra pressure to area bluffs, potentially being a trigger for landslides.”

Forecasters expect the rain will finally taper off by Thursday.

Source: Bellevue Patch