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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 April 18, Friday | 10:30 | 13.9 | 681.7 | 764.4 | 0.4 | 36 | Wind blowing from the north-northwest | Fresh breeze (10 m/s) | 40%. | Stratocumulus other than Stratocumulus cumulogenitus. | 40%. | 1000-1500 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 | -0.9 | No precipitation | 6 | Dry (without cracks, no appreciable amount of dust or loose sand) | 8.0 | |||||||||
07:30 | 10.0 | 681.3 | 764.2 | 0.5 | 49 | Wind blowing from the north | Moderate breeze (6 m/s) | 60%. | 8.5 | 13.4 | Stratocumulus other than Stratocumulus cumulogenitus. | 40%. | 1000-1500 | No Altocumulus, Altostratus or Nimbostratus. | Cirrostratus not progressively invading the sky and not entirely covering it. | 20.0 | -0.2 | ||||||||||||
04:30 | 8.8 | 680.8 | 763.3 | 0.4 | 55 | Wind blowing from the north | Fresh breeze (10 m/s) | 100%. | Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus. | 70 – 80%. | 600-1000 | No Altocumulus, Altostratus or Nimbostratus. | Cirrostratus covering the whole sky. | 15.0 | 0.2 | No precipitation | 6 | ||||||||||||
01:30 | 10.8 | 680.4 | 762.3 | 0.9 | 44 | Wind blowing from the north-northwest | Fresh breeze (8 m/s) | 90 or more, but not 100% | Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus. | 60%. | 600-1000 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 12.0 | -1.0 | ||||||||||||||
April 17, Thursday | 22:30 | 11.5 | 679.5 | 761.5 | 1.1 | 47 | Wind blowing from the north | Fresh breeze (10 m/s) | 70 – 80%. | Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus. | 50%. | 600-1000 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 12.0 | 0.6 | No precipitation | 6 | |||||||||||
19:30 | 13.4 | 678.4 | 760.8 | 1.2 | 42 | Wind blowing from the north | Strong breeze (11 m/s) | 60%. | 11.5 | 19.3 | Stratocumulus other than Stratocumulus cumulogenitus. | 20–30%. | 1000-1500 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 10.0 | 0.7 | ||||||||||||
16:30 | 17.4 | 677.2 | 758.4 | -0.8 | 35 | Wind blowing from the north | Strong breeze (13 m/s) | 90 or more, but not 100% | Dust or sand raised by wind at or near the station at the time of observation, but no well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen; or, in the case of ships, blowing spray at 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. | Stratocumulus other than Stratocumulus cumulogenitus. | 40%. | 1000-1500 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 6.0 | 1.8 | No precipitation | 6 | |||||||||
13:30 | 18.8 | 678.0 | 759.1 | -0.7 | 35 | Wind blowing from the east | Light breeze (3 m/s) | 90 or more, but not 100% | Stratocumulus other than Stratocumulus cumulogenitus. | 50%. | 1000-1500 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 10.0 | 3.0 | ||||||||||||||
10:30 | 16.9 | 678.7 | 759.5 | 0.5 | 37 | Wind blowing from the north-northwest | Light breeze (2 m/s) | 70 – 80%. | Stratocumulus other than Stratocumulus cumulogenitus. | 10% or less, but not 0 | 1000-1500 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 10.0 | 2.1 | No precipitation | 6 | Dry (without cracks, no appreciable amount of dust or loose sand) | 9.0 |