#3051 Postby PTPatrick » Sun Aug 27, 2017 6:46 pm
Brian norcross was implying that Houston may have seen its worst high water mark in terms of flash flooding...basically making the point that grand totals of 2 ft over the next 4 days will not make water rise like it did last night. I see his point, certainly Houston would have to get very unlucky to have another 24 inch all at once deluge in the next couple day but it seems a risky pronouncement since given the volume of water around, it wouldn't take 24 inches to do the same flooding if it came quick enough. Suffice it to say tho, that even steady rain combined with more onshore flow isn't going to allow those bayous to go down quickly, if at all for a few days. And that doesn't even speak to The Brazos and San Jacinto watersheads, which as Brian pointed out could be elevated for weeks.
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