Just yesterday (Dec. 15), the Green River levee was breached, raising the specter of flash flooding in Tukwila, south of Seattle, Washington. In 2017, heavy rainfall caused severe damage to the Oroville Dam spillway in Northern California, forcing evacuations downstream.

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As of Wednesday, Dec. 17, the moon phase is Waning Crescent. This means only 6% of the moon is lit up tonight, according to NASA's Daily Moon Observation. If you don't have any visual aids, you won't be able to see anything. However, with binoculars and a telescope, you should be able to see the Grimaldi Basin.