Winter weather

Disaster Preparedness
8:03 am
Mon November 4, 2013

Worried about Flooding? There's an App for That in King County

King County's Flood Warning App showing recent data from the Snoqualmie River at high flow.

King County has released an app that puts flood warning information at residents' fingertips. The smartphone- and tablet-friendly app displays real-time flooding information on major rivers in the county.

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Flood Forecast
5:50 pm
Wed October 30, 2013

National Weather Service Says Big Floods Likely This Winter

Major flooding in 2007 shut down 20 miles of I-5 in central Washington and left five people dead.
WSDOT

November, which marks the start of flood season in the Northwest, is just around the corner. And the National Weather Service says there is high potential for rivers to burst their banks from now through February.

This winter will bring what is known as a “neutral” weather pattern; we won't see the milder El Niño nor the wetter, windier La Niña this winter. But that hardly means we get a break.

A neutral winter can mean trouble for those who live or work near flood plains in western Washington as it brings the highest number of so-called “Pineapple Express” events during which an atmospheric river forms off the coast. 

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Weather with Cliff Mass
10:13 am
Fri October 4, 2013

First Frost Today, But a Sunny Weekend Ahead

dorena-wm photo Flickr via compfight

The first frost of the season hit the northwest Friday morning on both sides of the mountains, but skies will be sunny for much of the weekend.

Enjoy it while it lasts, since it will turn rainy again on Monday, says KPLU weather expert Cliff Mass, a professor of Atmospheric Sciences at the University of Washington.

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Krulwich Wonders
11:23 am
Wed December 19, 2012

Suddenly there's a meadow in the ocean with 'flowers' everywhere

Courtesy of Matthias Wietz

Originally published on Wed December 19, 2012 10:40 am

It was three, maybe four o'clock in the morning when he first saw them. Grad student Jeff Bowman was on the deck of a ship; he and a University of Washington biology team were on their way back from the North Pole. It was cold outside, the temperature had just dropped, and as the dawn broke, he could see a few, then more, then even more of these little flowery things, growing on the frozen sea.

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Weather
9:18 am
Wed December 19, 2012

Heavy snow falling in mountains; tips for safe holiday travel

Manuel Garcia pulls the chains off of his semi-truck tires as quickly as he can as snow falls while parked at the eastbound milepost 34 exit of Interstate 90 earlier this year, near North Bend.
AP

Forecasters say the latest storm moving across Washington will leave up to 2 feet of new snow in the Cascades by Thursday morning.

Travelers planning on heading across the mountain passes this weekend should plan accordingly. Traction tires or chains are being advised, and in some cases may be required. 

The WSDOT offers these tips to protect yourself and your passengers while driving in snowy/icy conditions: 

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Winter Weather
3:06 pm
Tue December 4, 2012

Winter weather advisory for Washington Cascades

The National Weather Service has downgraded a winter weather warning for the Washington Cascades Tuesday night to an advisory.

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Winter Weather
4:08 pm
Mon November 19, 2012

Heavy rain sets off landslides around region

Flood waters buried E. Main Street and Brown Park in Gaston, Oregon Monday. Photo by Randy Hoodenpyl

Originally published on Mon November 19, 2012 4:11 pm

OLYMPIA, Wash. - Heavy rains and high winds are making it hard to get around parts of western Washington and northwest Oregon this afternoon. Flood watches and warnings are in effect across a wide area of the Northwest. At least half a dozen mudslides have blocked highways and rail lines since this morning .

The freight train of storms pummeling the Northwest has saturated soils. Some places are not getting enough time between downpours for the water to drain off. Oregon's Department of Geology put all of western Oregon on notice for increased potential of landslides.

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Weather roundup
2:09 pm
Mon November 19, 2012

Winter weather hits region hard: heavy rains, mudslides, street flooding

Seattle pedestrians had to jump from here to there at some street corners as the rains fell hard this morning.
Jake Ellison KPLU

Forecasters say the wet and windy weather with mountain snow will continue this week in Washington, but there may be a lull on Thanksgiving Day. The current deluge so far has resulted in a few mudslides, street flooding and a state trooper’s car being smashed.

The National Weather Service says a series of Pacific storms are aiming to hit the Northwest every day or two.

Getting around

The morning commute around Seattle was tough, but the commute home today may be a bit easier.

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winter Weather
11:55 am
Wed April 4, 2012

Washington snowpack 137 percent of average

Plenty of snow in the mountains means it should be a good year for the water supply in Washington.

The Natural Resources Conservation Service says the mountain snowpack as of April 1 — when it typically peaks — is 137 percent of average.

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winter Weather
9:09 am
Tue February 28, 2012

Snow forecast for parts of Washington

Here is the 24 h snow totals ending 4 pm today and 4 pm Wednesday from the UW high-res model. LOTS of snow over the Olympics and its SE side, particularly the second day. Big snow dumps over the Cascades. Even the lowlands could see some.
Cliff Mass UW

A winter storm is bringing another shot of snow to parts of Washington.

The National Weather Service says a Pacific frontal system will hit the coast and northwest interior Tuesday with gusty winds and rain in most of Western Washington.

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Environment
9:36 am
Tue February 21, 2012

Northwest back country ripe for more avalanches

An avalanche near Hurricane Ridge in Olympic National Park
Mike Danisiewicz National Park Service

The conditions that led to fatal avalanches in the Washington Cascades could get worse this week. Three expert skiers died near Stevens Pass on Sunday and a snowboarder died in a separate avalanche near Snoqualmie.

Mark Moore is the director of the Northwest Weather and Avalanche Center. He says a crystalline layer of frost prevented new snow from bonding with the bottom layers. He estimates that led to hundreds if not thousands of avalanches in remote areas over the weekend.

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winter Weather
2:34 pm
Mon January 23, 2012

Inland NW seeing a more recognizable winter

A Coeur d’Alene, Idaho snowman is among many Inland Northwest residents whose cars are stuck in the snow.
Jessica Robinson Northwest News Network

While cities west of the Cascades recover from the ice storm, flooding and mudslides, the Inland Northwest is getting more of what residents have been expecting for a while: a wintry white layer of snow. And forecasters say there's another round on the way.

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winter storm
10:22 am
Wed January 18, 2012

Update: Snow falling, but Cliff Mass says it's almost over

Jeff Jarvis, facilities manager at the Pike Place Market, shovels snow at the landmark site on Wednesday in Seattle.
The Associated Press

Cliff Mass, KPLU weather expert and University of Washington professor, says the snow storm we woke up to is almost out of gas:

"... amazingly the worst is almost over. In fact, it should really be all over for most of the western side of the Cascades by 1 PM," he said.

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Weather with Cliff Mass
9:23 am
Fri January 13, 2012

Snow? Probably yes, for most of western Washington

A vision of things to come ...
Adam DeClercq Flickr

But not too much. 

"It's not going to be the big snow-storm," says KPLU weather expert, and UW professor, Cliff Mass.

The areas most likely to get a couple inches of snow are the so-called "convergence zone," between north Seattle and Everett, and in the Bellingham area. For everyone else, Mass says it will be "hit and miss" depending on so many factors that it's hard to generalize.

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Winter Weather
3:30 pm
Thu October 27, 2011

Second La Nina in a row brings rain but does that mean floods?

City of Seattle workers clear debris from a mudslide in Seattle's Magnolia neighborhood March 2011, in Seattle. Will La Nina lead to an encore of flooding and slides this year?
Associated Press

Climate experts have predicted a colder and wetter than normal winter on the way for Washington, thanks to a second year in a row of La Nina’s effects. 

While some people in the area will be happy about a surge in showers, a lot more are probably disappointed or worried.

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