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Space Weather Forecast: Sunspotty, With an Increasing Chance of Solar Storms

By Guest PostApril 15, 2012Environmentatmosphere, coronal mass ejections, dark sky, earth, flagpole, fm broadcasts, forecast, frank lind, gps, john sahr, k p index, kuow, laura vertatschitsch, magnetic field, magnetosphere, mars, mary levin, mechanical energy, molecular plasma, northern light, satellites, seattle, sieg hall, solar flares, solar storms, source, space weather, sunspot cycle, sunspotty, transmitter, xray

The past few months have seen a spate of solar flares – bringing spectacular views of the northern lights as far south as Seattle – along with media speculation that the electrical activity could disrupt power grids, satellites or ground airplanes.

John Sahr, a UW professor of electrical engineering who studies the upper atmosphere, is the regional go-to guy for such questions. We found some time in Sahr’s busy schedule (he’s also the UW’s associate dean of undergraduate academic affairs and a part-time zombie hunter) to get his read on the space weather forecast. (more…)

New Book Details Archaeological Excavations on San Juan Island

It’s a powerful feeling, says anthropology graduate student Amanda Taylor, to stand where people stood thousands of years back and gaze out at the same water — the same sunsets — that they saw so long ago.

“Maybe you reach down and see an artifact, and they last dropped that artifact a thousand years ago,” she said. “No one has looked at it or touched it, or even thought about it. And when you pick it up and look at it, it’s like you have this instant connection to the person who left it there.” (more…)

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Space Weather Forecast: Sunspotty, With an Increasing Chance of Solar Storms

New Book Details Archaeological Excavations on San Juan Island