| Temperature heat index | Alarm level | Influence on human body |
|---|---|---|
| 27...32 °C | Attention | Potential for exhaustion |
| 32...41 °C | High Attention | High potential for exhaustion |
| 41...54 °C | Danger | Potential for heat exhaustion |
| ab 54 °C | High Danger | High potential for heat exhaustion |
| Air temperature > | 10°C | 5°C | 0°C | -5°C | -10°C | -15°C | -20°C | -25°C | -30°C |
|---|---|---|---|---|---|---|---|---|---|
| Wind speed ∨ | |||||||||
| 10 km/h | 8,6 | 2,7 | -3,3 | -9,3 | -15,3 | -21,2 | -27,2 | -33,2 | -39,2 |
| 15 km/h | 7,9 | 1,7 | -4,4 | -10,6 | -16,7 | -22,9 | -29,1 | -35,2 | -41,4 |
| 20 km/h | 7,4 | 1,01 | -5,2 | -11,6 | -17,9 | -24,2 | -30,5 | -36,8 | -43,1 |
| 25 km/h | 6,9 | 0,5 | -5,9 | -12,3 | -18,8 | -25,2 | -31,6 | -38,0 | -44,5 |
| 30 km/h | 6,6 | 0,1 | -6,5 | -13,0 | -19,5 | -26,0 | -32,6 | -39,1 | -45,0 |
| 35 km/h | 6,3 | -0,4 | -7,0 | -13,6 | -20,2 | -26,8 | -33,4 | -40,0 | -46,6 |
| 40 km/h | 6,0 | -0,7 | -7,4 | -14,1 | -20,8 | -27,4 | -34,1 | -40,8 | -47,5 |
| 45 km/h | 5,7 | -1,0 | -7,8 | -14,5 | -21,3 | -28,0 | -34,8 | -41,5 | -48,3 |
| 50 km/h | 5,5 | -1,3 | -8,1 | -15,0 | -21,8 | -28,6 | -35,4 | -42,2 | -49,0 |
| 55 km/h | 5,1 | -1,8 | -8,5 | -15,3 | -22,2 | -29,1 | -36,0 | -42,8 | -49,7 |
| Wind strength in Bft | Wind speed > | Description | |||
|---|---|---|---|---|---|
| kn | m/s | km/h | mph | ||
| 0 | 0 - 1 | 0,0 - < 0,5 | 0,0 - < 2,0 | 0,0 - < 1,2 | Calm |
| 1 | 1 - 4 | 0,5 - < 1,6 | 2,0 - < 5,0 | 1,2 - < 4,6 | Light air |
| 2 | 4 - 7 | 1,6 - < 3,4 | 5,0 - < 11,0 | 4,6 - < 8,1 | Light breeze |
| 3 | 7 - 11 | 3,4 - < 5,5 | 11,0 - < 19,0 | 8,1 - < 12,7 | Gentle breeze |
| 4 | 11 - 16 | 5,5 - < 8,0 | 19,0 - < 28,0 | 12,7 - < 18,4 | Moderate breeze |
| 5 | 16 - 22 | 8,0 - < 10,8 | 28,0 - < 38,0 | 18,4 - < 25,3 | Fresh breeze |
| 6 | 22 - 28 | 10,8 - < 13,9 | 38,0 - < 49,0 | 25,3 - < 32,2 | Strong breeze |
| 7 | 28 - 34 | 13,9 - < 17,2 | 49,0 - < 61,0 | 32,2 - < 39,1 | Moderate gale |
| 8 | 34 - 41 | 17,2 - < 20,8 | 61,0 - < 74,0 | 39,1 - < 47,2 | Fresh gale |
| 9 | 41 - 48 | 20,8 - < 24,5 | 74,0 - < 88,0 | 47,2 - < 55,2 | Strong gale |
| 10 | 48 - 56 | 24,5 - < 28,5 | 88,0 - < 102,0 | 55,2 - < 64,4 | Storm |
| 11 | 56 - 64 | 28,5 - < 32,7 | 102,0 - < 117,0 | 64,4 - < 73,6 | Violent storm |
| 12 | > 64 | > 32,7 | > 117,0 | > 73,6 | Hurricane force |
| UV Index | Exposure | Protective measures |
|---|---|---|
| 0 - 2 | low | No protection required |
| 3 - 5 | moderate | Protection required: Wear sun protective clothing, hat and sunglasses; use sunscreen with sufficient SPF (at least twice the UVI) to protect uncovered skin |
| 6 - 7 | high | Protection required: Wear sun protective clothing, hat and sunglasses; use sunscreen with sufficient SPF (at least twice the UVI) to protect uncovered skin. Seek shade around midday (solar noon) |
| 8 and more | very high | Extra protection required: Avoid being outside during midday (solar noon) if possible. Make sure you seek shade.Wear sun protective clothing, hat and sun glasses; use sunscreen with sufficient SPF (at least twice the UVI) for uncovered skin. |