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| Flood Hazard |
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| Resources |
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| Legend (Click for Impacts) |
| None |
No flooding. |
| Slight |
Ponding of water in poorly drained locations possible. |
| Moderate |
Localized Flooding, Impacts roads, streets and streams. Minor impact on structures or vehicles |
| High |
Widespread flooding, having major impact on structures, along with possible road closures. |
| Extreme |
Catastrophic: Life at risk; neighborhoods inundated; numerous road closures. |
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| Inland Flood Impact Statement |
| Slight |
Residents can expect nuisance flooding of roads with poor drainage. Ponding will occur elsewhere. Known intersections with very poor drainage may have water levels up to 2 feet. Other poor drainage areas will have water rises up to 1 foot. |
| Inland Flood Impact Statement |
| Moderate |
Residents can expect localized flooding, especially in poor drainage locations. In these areas, minor to moderate property damage is expected, and several main thoroughfares may be closed. Power outages are possible. Expect one inch/30 minutes or two inches/hour. Known intersections with very poor drainage may have water levels up to 4 or 5 feet. Other poor drainage areas will have water rises up to 3 feet. Levels will rise up to 1 foot elsewhere.Most small streams and creeks will reach or exceed bank full. Larger rivers will rise. Those which respond quickly to very heavy rain may briefly exceed flood stage. |
| Inland Flood Impact Statement |
| High |
Observational data indicates that ongoing or imminent heavy rain is sufficient to produce rapid flash flooding. This will generally result from rain rates of 4 inches/ 1 hour and/or 4 to 6 inches for 2-6 hours. Persons living near or in poor drainage locations should prepare for possible evacuation. In these areas, significant property damage will occur, and some power outages are likely. Minor property damage is possible elsewhere.Water levels in very poor drainage areas will approach 7 feet. Other poor drainage locations will have rises to between 3 and 5 feet. Elsewhere, expect water rises to near 2 feet. Numerous main roads will be closed. Driving is highly discouraged except in emergencies.All rivers in affected areas will rise, with some reaching or exceeding flood stage. Normally quick rising rivers will exceed flood stage by several feet, flooding homes along the shore. Several secondary roads and bridges will be washed out. |
| Inland Flood Impact Statement |
| Extreme |
Life-threatening flooding is likely. In urban areas, extensive property damage will occur in all poor drainage areas, with moderate to major property damage elsewhere. Widespread power outages are likely.In rural locations, all small streams and creeks will surpass bank full. Each will exceed their banks by several feet, flooding homes - even those up to one half mile away from the banks. In all areas, hundreds of roads will flood. Dozens of secondary roads may become washed out in rural areas. Numerous bridges will likely wash out as well. Water levels will exceed 5 feet in all poor drainage urban areas, and average at least 2 feet elsewhere. All rivers in affected areas will rise; most will exceed flood stage. Quick rising rivers will exceed flood stage - and reach near record crests, causing inundation of nearby homes. |
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