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Convective Wind and/or Hail Hazard |
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Legend (Click for Impacts) |
None |
No hail or convective wind gusts. |
Slight |
Wind gusts up to 38 mph; No hail. |
Moderate |
Wind gusts 39-57 mph; Hail, up to dime size (< 1.0 inch). |
High |
Wind gusts 58-73 mph; Large hail, penny to ping pong ball size (1.0 inch to 1.5 inches). |
Extreme |
Wind gusts ≥ 74 mph; Very large hail, golf ball size or larger (1.75 inches or greater). |
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Convective Wind Gust/Hail Impact Statement |
Slight |
No hail expected. Light to fresh breezes and gusts possible. Small trees and large limbs will sway. Vehicles may feel a slight tug at high speeds. |
Convective Wind Gust/Hail Impact Statement |
Moderate |
Hail: Hail of this size is expected to cause little if any damage to people or property. Long duration of hail of this size may present driving hazards due to significant accumulations on roadways. Extremely tender vegetation may experience minor damage. Wind Gusts: Newly planted trees and shrubs may be damaged if not secured properly. Some small twigs and limbs will separate from trees. Move unfastened items such as garbage cans and deck furniture indoors. |
Convective Wind Gust/Hail Impact Statement |
High |
Hail: May dimple or dent metal and wood surfaces such as tin roofs and automobiles. Will cause moderate damage to roofs, siding; will crack glass, especially if containing jagged edges. People caught in this size hail may suffer minor injuries. Moderate crop damage is likely. Wind Gusts: May cause minor damage to many mobile homes. Poorly constructed homes may receive some wall damage and partial roof removal. A few houses may have minor damage to roof shingles and siding. Unsecured light weight items may become projectiles, causing additional damage. Some electrical wires will be blown down, and local power outages are likely. Most newly planted trees and shrubs could be damaged or uprooted. Some small trees will be uprooted, and large branches will snap. Numerous small branches will separate from trees. |
Convective Wind Gust/Hail Impact Statement |
Extreme |
Hail: Roof damage possible to homes. Significant damage to finish of automobiles and protective material on aircraft. Will crack vehicle windows; jagged edges will shatter windows. Could produce major damage to homes by denting siding and breaking windows. People caught in this size hail face certain injury. Wind Gusts: Most mobile homes will experience moderate to substantial damage. Some of poor construction will be uninhabitable until repaired. Houses of poor to average construction will have damage to shingles, siding, and gutters. Some windows will be blown out. Unfastened home items of light to moderate weight will become airborne, causing additional damage and possible injury. Local power outages will affect entire neighborhoods. Many large branches of healthy trees will be snapped, and rotting small to medium sized trees will be uprooted. |
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