Wildfires are uncontrolled fires that spread through vegetation and wildland areas, driven by the interaction of available fuel (vegetation), weather conditions (temperature, humidity, wind), and topography. While some fires occur naturally, many are human-caused, and climate conditions determine fire weather severity. The hazard is characterized by direct flame exposure, radiant heat and smoke. Severity depends on fuel availability, fire weather conditions, terrain, and proximity to human settlements.
In the area you have selected (Lesotho) the wildfire hazard is classified as high according to the information that is currently available to this tool. This means that there is approximately 20% chance per year of encountering weather that could support a significant wildfire that is likely to result in both life and property loss (about 67% chance in any given five years). Based on this information, the impact of wildfire must be considered in all phases of the project, in particular during design and construction. Risk studies, project planning decisions, project design, construction and emergency response planning methods should take into account the high level of wildfire hazard. Note that damage can not only occur due to direct flame and radiation exposure but may also include ember storm and low level surface fire. In extreme fire weather events, strong winds and wind born debris may weaken the integrity of infrastructure. It would be prudent to consider this effect in the design and construction phase of the project. Further detailed information specific to the location and planned project should be obtained to adequately understand the level of hazard.
For hazard management recommendations, see documentation.
| High | Low |
| Medium | Very low |
Based on the global wildfire hazard maps published by CEMS (2020).
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