Tuesday's rains, which were particularly heavy southwest and northeast of Houston, are just the start of an extremely wet end of the week. Our city's weather pattern, which included something called a capping inversion that acted a bit like a giant umbrella for the area, has changed allowing Gulf moisture to come flowing in. On Tuesday, that translated to isolated pockets of up to 5 inches of rainfall, particularly northeast of town near Kingwood.
As bad as it was, plenty of areas from downtown to west of the city saw only a trace to about a quarter inch. In a region that covers as much area as we do, these are exactly the kind of unpredictable conditions we can expect. The National Weather Service has been calling for between 2 and 4 inches across the entire region with isolated totals between 7 and 10 inches between now and Sunday. Given what we saw on Tuesday, that seems appropriate, maybe even conservative depending on where you live.