Weather archive in Alverca (airport)
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| Date / Local time | T | Po | P | Pa | U | DD | Ff | ff10 | ff3 | N | WW | W1 | W2 | Tn | Tx | Cl | Nh | H | Cm | Ch | VV | Td | RRR | tR | E | Tg | E' | sss | |
| 2025 December 6, Saturday | 12 | 17.4 63 | 768.2 30.24 1024.18 1024.18 | 768.5 30.26 1024.58 1024.58 | 90 | Wind blowing from the south-west | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Mist. | Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels. | 70 – 80%. 7/10 – 8/10. 6 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 15.0 9.3 | 15.8 60 | No precipitation No precipitation | 3 | |||||||||||
| December 5, Friday | 15 | 18.6 65 | 765.9 30.15 1021.12 1021.12 | 766.2 30.17 1021.52 1021.52 | -0.5 -0.02 -0.67 -0.67 | 84 | Wind blowing from the west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 60%. 6/10. 5 oktas | Precipitation within sight, reaching the ground or the surface of the sea, but distant, i.e. estimated to be more than 5 km from the station. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level. | 60%. 6/10. 5 oktas | 600-1000 1968-3281 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 20.0 12.4 | 15.8 60 | No precipitation No precipitation | 3 | ||||||||
12 | 766.4 30.17 1021.78 1021.78 | 766.7 30.19 1022.18 1022.18 | 0.9 0.04 1.2 1.2 | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | Mist. | Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels. | 50%. 5/10. 4 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 15.0 9.3 | 16.1 61 | 0.3 0.01 | 6 | |||||||||||||||