Aurora Borealis forecast for Alaska

You can click on a column in the graph above to see the detailed forecast below.

Friday, April 19, 2019

Activity level is QUIET

KPI index: 0 1 2 3 4 5 6 7 8 9
Peak Activity: 1:00AM

Auroral activity will be quiet. Weather permitting, quiet displays will be visible directly overhead from Barrow to Fort Yukon and visible low on the horizon from Fairbanks to as far south as Nome, Talkeetna and Whitehorse, Canada.

Hourly Weather Forecast for Valdez
Alaska Aurora Forecast

The Aurora Borealis (Northern Lights) forms when charged particles emitted from the sun during a solar flare penetrate the earth's magnetic shield and collide with atoms and molecules in our atmosphere. These collisions result in countless little bursts of light, called photons, which make up the aurora.

The KP Index (KPI) goes from 0 to 9 as the geomagnetic strength increases. KPI 0 being no aurora while KPI 9 being a major geomagnetic storm likely visible all the way to California and even to France.

30 minute Aurora Forecast

Aurora Forecast Northern Hemisphere NOAA/POES model image

The forecast above is provided by the Space Weather Prediction Center. Their OVATION Aurora Forecast Model shows the intensity and location of the aurora predicted for the time shown at the top of the map.

30 minute Aurora forecast Extended 3 day Aurora forecast

Space Weather News

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