Outlooks showed potential for severe storms two to three days in advance, but didn’t highlight the potential for destructive winds until the morning that the derecho formed on June 6.
From 78 degrees on Tuesday to snow on Wednesday? Swings like this aren’t unusual in the central United States.
What does this ominous term, and related jargon like “bombogenesis,” tell us about the storm pounding states from Texas to Minnesota this week?
Even compared to other tropical cyclones, the rain from Harvey has been very hard, and gone for a very long time.