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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 4, Friday | 14 | 20.6 | 744.5 | 754.2 | 3.5 | 29 | Wind blowing from the west | Gale (18 m/s) | 22 m/s | 24 m/s | 50%. | Severe duststorm or sandstorm, no appreciable change during the preceding hour. | Storm | Storm | Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus. | 50%. | 600-1000 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 0.5 | 1.8 | ||||||||
11 | 20.7 | 741.0 | 749.8 | 1.7 | 30 | Wind blowing from the west-southwest | Gale (20 m/s) | 23 m/s | 25 m/s | no clouds | Severe duststorm or sandstorm has begun or has increased during the preceding hour. | Storm | Storm | 18.0 | 0.5 | 2.3 | |||||||||||||
08 | 18.4 | 739.3 | 748.3 | -0.4 | 39 | Wind blowing from the south-southwest | Near gale (16 m/s) | 19 m/s | 22 m/s | 20–30%. | Slight or moderate duststorm or sandstorm has begun or has increased during the preceding hour. | Storm | Storm | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds | 2500 or more, or no clouds. | 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. | 4.0 | 4.1 | Dry (without cracks, no appreciable amount of dust or loose sand) | 15.0 | |||||||
05 | 19.0 | 739.7 | 748.6 | -2.9 | 37 | Wind blowing from the south | Near gale (15 m/s) | 40%. | 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. | Storm | Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 20–30%. | 2500 or more, or no clouds. | Altocumulus translucidus at a single level. | 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. | 3.9 | ||||||||||||
02 | 19.4 | 742.6 | 751.5 | -2.0 | 37 | Wind blowing from the south-southeast | Moderate breeze (7 m/s) | 90 or more, but not 100% | Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus. | 60%. | 600-1000 | Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole. | No Cirrus, Cirrocumulus or Cirrostratus. | 4.2 | |||||||||||||||
April 3, Thursday | 23 | 20.2 | 744.6 | 753.5 | -1.3 | 34 | Wind blowing from the south-southeast | Moderate breeze (6 m/s) | 90 or more, but not 100% | 29.0 | Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus. | 20–30%. | 600-1000 | Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole. | No Cirrus, Cirrocumulus or Cirrostratus. | 3.7 | |||||||||||||
20 | 22.1 | 745.9 | 754.9 | -3.6 | 29 | Wind blowing from the south-southeast | Light breeze (3 m/s) | 90 or more, but not 100% | 29.0 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 50%. | 2500 or more, or no clouds. | Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole. | 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. | 3.1 | ||||||||||||||
17 | 28.2 | 749.5 | 758.3 | -1.9 | 17 | Wind blowing from the south | Moderate breeze (7 m/s) | 70 – 80%. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 40%. | 2500 or more, or no clouds. | Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels. | 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. | 50.0 | 1.0 | ||||||||||||||
14 | 26.2 | 751.4 | 760.3 | -0.2 | 21 | Wind blowing from the south-east | Gentle breeze (4 m/s) | 70 – 80%. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 40%. | 2500 or more, or no clouds. | Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels. | 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. | 50.0 | 2.4 |