Thursday, August 17th
The National Hurricane Center issues advisories on Tropical Depression #9. By noon it is a tropical storm named Harvey.
Friday, August 18th
Harvey passed over the Windward Islands but with a max wind speed of only 40 mph. It was unclear where it would end up. No one could have known that the 19 trillion gallons of water that would soon fall over Texas.
Saturday, August 19th
Harvey weakens and is only a “tropical wave,” which is even less than a tropical depression. Weather forecasters determine that there was only a “low chance” of regeneration.