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You are browsing the archive for 2015 March 17.

17 March 2015

Severe Geomagnetic Storm May Light Up the Sky with Irish Green Tonight

Two coronal mass ejections over the weekend have arrived at Earth, and are producing a severe geomagnetic storm this evening. Besides causing long-range radio/GPS communication problems, it is already lighting up the aurora, and there is a decent chance of seeing the sky dance with a colorful display of the northern lights later tonight. A good measure of your chance to see the lights is the Kp index, and as …

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This Being my Bi-Annual rant on Daylight/Summer Time

I’ve not taken the time to research it, but I suspect summer time leads to poorer short term weather forecasts, the reason being we get the evening model guidance an hour later. This means forecasters like me cannot see all the latest data before the 10/11 PM newscasts, but that said, I’ll let John Oliver at HBO make my case this year, as he does it much better than I …

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