Hurricane Harvey has hit Houston HARD. You may have seen on the news or heard from a neighbor about the many people who have drowned trying to drive in flooded waters. PLEASE BE CAREFUL AND TAKE PRECAUTION. Below are some safety tips to consider before driving in these dangerous conditions.
Flood Types
Know the types of flood watches, warnings and advisories that the National Weather Service may issue so you know how to react in a timely and effective manner.
A flash flood is a rapid rise of water, generally over less than six hours, along a stream or low-lying area. It can be produced when heavy rain accumulates quickly, including from slow-moving or multiple thunderstorms occurring over the same area, as well as from dam breaks, levee failures or heavy rain.
Flash flood watch: Conditions leading to flash flooding are possible within the next six to 36 hours.
Flash flood warning: Flash flooding is occurring, imminent or highly likely within the next two hours.
River Flood Watch: River flooding is possible at one or more forecast points along a river.
River Flood Warning: River flooding is occurring or imminent at one or more forecast points along a river.
Areal floods are general floods over large areas of streets, low-lying areas, storm drains, creeks and small streams. They develop more gradually than flash floods, but still are a threat to life and property.
Areal flood advisory: Minor general or areal flooding is occurring, imminent or highly likely.
Areal flood warning: General or areal flooding is occurring, imminent or highly likely.
Coastal floods occur when seawater is contributing to flooding, including from overtopping or breaching barriers during tropical systems, nor’easters, storms or wind tides.
Coastal flood watch: Coastal flooding conditions are possible.
Coastal flood warning: Coastal flooding is occurring, imminent or highly likely.
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