Solar Storm catches forecasters by surprise

From Wyoming last night:

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This was forecast to be no more than a G2. Ended up a much larger G4 which is considered severe.
 
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This was forecast to be no more than a G2. Ended up a much larger G4 which is considered severe.
When it was posted other day they said it was going to be big. The hole it made was 20 times the size of our planet if i am remembering the article correctly.
 
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Did you all hear anything about a big asteroid that was supposed to come between us and the moon? That sounds too close. It is supposed to be big enough to take out a city.