Getting To Know The Weird Purple Aurora Called STEVE

Last May, the work of citizen scientists helped establish the existence of a weird form of the aurora nicknamed Steve. Now almost a year later, aurora scientists know a lot more about Steve and happily have kept the name and turned it into a nerdy acronym — STEVE for “Strong Thermal Emission Velocity Enhancement.” Apparently,…
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Johnny-Come-Lately Aurora Still A Thrill

Night before last. Nothing. Then tonight, the aurora snuck up behind us around 10 o’clock — a whisper of a glow low in the north. Within 15 minutes it evolved into single arc, then two concentric arcs. When those arcs brightened and rose in altitude, I knew rays would soon be on the way. True…
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Aurora Alert Tonight Dec. 17 / Review: Cosmic-Watch App

Particles streaming from solar blowhole and the side-effects of a Dec. 15 blast will combine to up our chances of seeing the northern lights the next two nights. Spaceweather experts predict minor storming (Kp=5) starting this evening around (updated) 6 p.m. Central Time and continuing through about midnight. “Minor” usually means that observers in the…
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Watch For The Aurora Tuesday Night Oct. 24

What goes around comes around especially when it comes to the sun. Space weather experts predict a moderate G2 geomagnetic storm to erupt late tomorrow (Oct. 24th) afternoon and continue past midnight. The blast of high-speed particles from the sun marks at least the second go-round of a big coronal hole that served up several nights of…
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Geomagnetic Storm Underway, Watch For Aurora Tonight

Just got the latest forecast, and it looks promising. Lingering effects of a coronal hole — and a tighter connection between the blizzard of electrons and protons streaming our way from it — have pushed the Kp index up to 6 this late afternoon. As I write, a moderate (G2) geomagnetic storm is underway with…
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