Summer weather

Weather with Cliff Mass
10:22 am
Fri June 6, 2014

Mass: Sun-Filled Weekend Will Offer Short Reprieve From Infamous June Gloom

Tim Durkan

It appears the infamous June Gloom will spare us — at least for now.

“Normally this month, we have June Gloom: cloudy skies, temperatures in the 60s. But this year, it’s been unusually nice, [with] temperatures above normal and extraordinary amounts of sun,” Mass said.

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Weather with Cliff Mass
10:03 am
Fri August 16, 2013

Mass: Typical Seattle Summer Weather to Make Glorious Return

Listen to Cliff Mass' weekend forecast, plus his description of how autumn is already in the air, dew points as an indicator of humidity and the dynamics behind the powerful thunderstorm that has swamped the North Cascades Highway (SR-20) with mudslides.

Hang in there—the feel of Seattle's great summers is coming back this weekend.  

The autumn-like weather we’ve been having this week will yield to more typical summer fare, with blue skies in the afternoons and temperatures in the 70s, says KPLU weather expert Cliff Mass.

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Weather with Cliff Mass
9:38 am
Fri August 2, 2013

Showers Will Melt Away, but Lightning Could Spark More Fires

Washington State Department of Natural Resources Flickr

Listen to Cliff Mass' weekend forecast, plus his explanation of how weather such as lightning, wind and our record-dry July have caused and fueled recent wildfires.

Drizzly skies are expected to yield to warmer temperatures and some sun this weekend, because of an upper level trough over us and that’s causing upward motion and clouds, says Cliff Mass, KPLU’s weather expert.

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Weather with Cliff Mass
9:23 am
Fri June 21, 2013

Why summer solstice doesn't really mean sunshine, warmth in Seattle

This photo, titled "Raven and the Sun", is the work of Tim Durkan, a Seattle resident.

Listen to Cliff Mass' weather forecast for the weekend, plus an explanation of why weather experts say the summer solstice doesn't mark the true beginning of summer, meteorologically-speaking.

It may be summer solstice, but summer isn’t quite here yet, says Cliff Mass, professor of Atmospheric Sciences at the University of Washington and KPLU's weather expert.

The reason, says Mass: “Summer solstice … is astronomical summer. It is not necessarily meteorological summer,” said Mass.”

“And in the profession, we all joke—and it’s not much of a joke—that summer starts here in Seattle on July 12. And in fact, there’s a lot of truth to that,” he said.

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Weather with Cliff Mass
9:05 am
Fri August 17, 2012

Forecast - hot but getting cooler

Today’s going to be hot again, but it's already cooler than expected this morning, says KPLU weather expert Cliff Mass.

“We had some marine air that pushed up the coast, clouds have inundated the coastal areas. So if you're on the coast it's going to be cooler," he says. "And here in the interior we're starting cooler: five to ten degrees in some places. But the trouble is this cool marine air is very thin."

He says that cool marine layer will burn off fast, yielding to hot temps aloft. So today he expects highs of high 80s to 90 closer to the coast. And away from the water, perhaps the low 90s.

"So one more warm day. Then tomorrow a step down. Today's the hottest day."

There's a chance of thunderstorms Saturday afternoon, which could have a big impact on the wildfires in Cle Elum and Thorp. The danger is the chance of lighting without rain.

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NW Weather
7:09 am
Fri August 17, 2012

Another day of heat, wildfire danger in Washington

If you're out, stay covered and drink plenty of water.
Mallory Kaniss KPLU

The National Weather Service says Friday should be the last day of the heat wave in Washington.

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Weather
9:54 am
Thu August 16, 2012

Hottest days of the year expected in W. Washington

The National Weather Service says Thursday and Friday are likely to be the hottest days of the year in Western Washington.

Forecasters issued an excessive heat warning with highs in the 90s for the Puget Sound area including Seattle, Tacoma, Bremerton and Everett. A push of marine air should bring some relief on Saturday in Western Washington.

Shots - Health Blog
1:02 pm
Fri July 13, 2012

Electric Fans May Do More Harm Than Good In A Heat Wave

Researchers say that when temperatures rise above 95 degrees, a fan might make you even hotter, and maybe even sick.
iStockphoto.com

Originally published on Sat July 14, 2012 9:26 am

Assuming you can't spend a heat wave bobbing up and down in some cool body of water, the next best option is to hunker down inside with air blowing on you, right?

Preferably it's from an air conditioner set on arctic chill.

But if there's no AC, then an electric fan would be the next best thing, wouldn't you think?

Well, it turns out health experts aren't so sure about electric fans. And they say using one in a really brutal heat wave can sometimes do more harm than good.

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Weather with Cliff Mass
9:05 am
Fri July 6, 2012

The sun is here, introduce yourself (it's been awhile)

Time to get reacquainted with the sun. We'll have at least the next few days to do so ... so take your time.
sea turtle Flickr

The forecast is for plenty of sun for today and days to come.

As KPLU forecaster and University of Washington professor Cliff Mass put it in his blog: It happens almost every year, and we sometimes lose faith that it will occur.

"Often, as in this year, it happens right after July 4th, and almost certainly by mid-July, resulting in the oft-noted statement by the meteorological cognoscenti that summer starts on July 12th in western Washington."

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Weather with Cliff Mass
9:06 am
Fri September 2, 2011

Get ready for real heat through the weekend, says KPLU's Cliff Mass

This graphic from Cliff Mass' website shows that early in the week ridging really develops and temperatures could hit the mid 80s.

Expect these morning clouds to clear out and to have a sweltering long weekend (for the Northwest this summer anyway) – and through the next week as well.

Cliff Mass, a professor of atmospheric sciences at the University of Washington and KPLU’s new weather commentator, says "It's going to be great."

Oh and with all the talk of hurricanes on the East Coast, what about West Coast hurricanes? We get 'em.

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