Comprehensive Guide to Floods and Flash Flood Safety
Floods are the most frequent type of natural disaster and occur when an overflow of water submerges land that is usually dry. Flooding is the most common natural disaster in the United States — and the costliest. According to the National Flood Insurance Program, 90% of disasters in the U.S. involve flooding.
Defining Floods and Flash Floods
Flooding is when water overflows onto dry land. A flash flood is a rapid rise of water. FLASH FLOOD - A sudden flood event through a valley, canyon or wash, following a short duration, high intensity rainfall. Flash flooding happens in 6 hours of a big rain event caused by storms. Flash floods are so dangerous because of how quickly they happen unlike a hurricane or tornado that develop over time.
The Causes of Flooding
What can cause floods? Heavy rain, snow melt, dam breaking, ice jams, hurricanes, and tropical storms are primary factors. Floods can also occur when ocean waves come ashore or when rivers overflow. Even California, long suffering from a drought, can experience flash floods in the event of rain hitting the parched earth, which can’t absorb it. Additionally, a plumbing problem can cause a leak and resulting flood inside a structure, whether or not there’s any precipitation outside.
Flash Flood Safety Rules
Flash Flood : #1 weather-related killer in the United States! To stay safe, follow these essential guidelines:
- Avoid walking, swimming, or driving in flood waters.
- Stay away from high water, storm drains, ditches, ravines, or culverts.
- If it is moving swiftly, even water six inches deep can knock you off your feet.
- If you come upon flood waters, stop, turn around, and go another way.
Always plan ahead and make a kit. Know where you and your pets can go to be safe. People die by drowning when they don't evacuate before floodwaters come or when they enter floodwaters.
Comparison of Flood Risks and Factors
| Feature | Description |
|---|---|
| Flash Flood Timing | Happens within 6 hours of a big rain event. |
| US Impact | 90% of disasters in the U.S. involve flooding. |
| Hydrologic Role | Part of the Hydrologic Cycle - the circulation of Earth's water supply. |
| River Dynamics | Streams are erosional (take stuff away) and depositional (leave stuff behind) agents. |
Floods and Infrastructure: The Impact on Businesses
Flooding’s unpredictability makes it a year-round concern for property owners and businesses, including breweries. What makes flooding a particular concern to craft breweries is the fact that most standard business insurance packages do not include flood insurance. It must be purchased separately or added as an endorsement. Beyond the immediate damage to equipment or infrastructure, flooding poses longer-term risks like mold growth and structural instability. In breweries, where cleanliness and precision are paramount, even a minor flood can compromise product quality and safety standards.
When flooding does occur, time is of the essence. Water damage restoration services can mean the difference between a minor inconvenience and a major operational setback. Mold remediation is a crucial step in the restoration process, ensuring that all traces of mold are safely removed and that the property is treated to prevent future infestations.
River Systems and Regional Geography
The rivers of India play an important role in the lives of the Indian people. Seven major rivers (Indus, Brahmaputra, Narmada, Tapi, Godavari, Krishna and Mahanadi) along with their numerous tributaries make up the river system of India. The rivers also have an important role in Hindu mythology and are considered holy by all Hindus in the country.
Himalayan vs. Peninsular Rivers
- Himalayan Rivers: These rivers are perennial as they get water from the rainfall as well as the melting of ice. They perform intense erosional activity up the streams and carry huge load of sand and silt.
- Peninsular Rivers: A large number of them are seasonal as their flow is dependent on rainfall. The intensity of erosional activities is comparatively low because of the gentler slope.
The maximum flood that any structure can safely pass is called the ‘design flood’ and is selected after consideration of economic and hydrologic factors.