# Two CMEs Erupt Before Artemis II Launch. NASA Still Says Go.

- slug: two-cmes-erupt-before-artemis-ii-launch-nasa-still-says-go
- date: 2026-03-31
- category: Space & Aerospace

NOAA issued a G2 storm watch for the day before launch. AR 4405 then erupted again — five minutes after the first CME. The 80 percent favorable forecast is a ground-weather number.

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