Draft:EBRAV scale
A scale used to measure winds using Brazil Construction Engineering
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Brazil has its own scale for wind-related events, called the Brazilian Wind Scale (EBRAV). It was created according to Brazilian construction standards and has eight levels, ranging from level 0, with winds of 50 km/h, to level 7, with winds exceeding 261 km/h. The minimum level used for tornadoes is level 2, with winds of 81 km/h or more, compatible with an F0. However, the EBRAV scale is rarely used, resulting in the use of the Fujita Scale. Even so, Unicamp classified some tornadoes with the EBRAV, with the Itu tornado on September 30, 1991, being the only one recorded as level 7,although few cases have been analyzed, focusing on events in the state of São Paulo.
Submission declined on 27 November 2025 by KylieTastic (talk).
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Parameters
| Level | Wind speed (Estimated) |
Damage intensity | Example of potential damage | ||
| mph | km/h | m/s | |||
| 0 | Until 31 | Until 51 | 14 | Insignificant damage | Tree branches sway, but do not break. |
| 1 | 31–49 | 51–80 | 14–22 | Minor damage | Tree branches can break. Poorly installed ceramic tiles can shift slightly, especially those at the edges. Large leafy crops, such as sugarcane, can lean toward the ground. Lightweight roofing materials can vibrate, sway, or even break. |
| 2 | 50–62 | 81–100 | 22–27 | Light damage | Trees lose large branches. Unhealthy trees have their trunks split. Wooden shacks can collapse. Ceramic tiles can be dislodged. |
| 3 | 62–80 | 101–130 | 28–36 | Moderate damage | Old trees are uprooted. Ceramic roof tiles break. Crops are severely damaged. Walls with poor foundations can collapse. |
| 4 | 81–99 | 131–160 | 36–44 | Considerable damage | Healthy trees are uprooted. Ceramic tiles are completely ripped off. Wooden houses suffer severe damage. Metal poles are toppled. Walls with sturdy foundations are torn down. |
| 5 | 100–124 | 161–200 | 44–55 | Very considerable damage | Large trees have their trunks split. If exposed perpendicularly, buses can overturn. Roof timbers are completely exposed. Masonry houses can be partially destroyed. Thick walls can collapse. Concrete poles lean. |
| 6 | 125–160 | 201–260 | 55–72 | Severe damage | Some brick houses collapse. Cars are lifted off the ground. Empty train cars are pulled off the tracks. Heavy vehicles, such as trucks, can tip over or be swept away. Concrete poles break, and transmission towers can be toppled. |
| 7 | over 161 | over 261 | ≥73 | Violent damage | Extensive destruction of urban facilities. Vehicles are swept long distances. People are thrown by the wind. Large structures are displaced or overturned. Loaded train cars are ripped from the tracks. |
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