[TWEET] Harris County has experienced at least four 500-year floods, with Imelda expected to be the fifth

The Houston metro area is in the middle of one of the worst flash floods in American history, right now. This is at least the fifth 500+ year rainstorm in the region in just the past 5 years.

We are in a climate emergency. https://t.co/nV162bEAwX

— Eric Holthaus (@EricHolthaus) September 19, 2019