northern lights forecast
Definition
A predictive report on the visibility, intensity, and locations for observing the Aurora Borealis (Northern Lights), derived from solar activity, geomagnetic data, and atmospheric conditions.
An online or app-based update akin to a weather forecast, but for celestial light shows caused by charged particles from the sun colliding with Earth's atmosphere.
Examples
I packed my thermals after the northern lights forecast promised a rave in the sky over Finland.
The northern lights forecast was spot-on, turning my failed camping trip into an unplanned cosmic fireworks show.
Forget stock tips; my broker swears by the northern lights forecast for predicting late-night insomnia adventures.
She ignored the northern lights forecast and stayed in, only to wake up to jealous selfies from her sky-chasing friends.
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