Weather archive in Nagapattinam
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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 | |
| 2026 September 20, Sunday | 20:30 | 26.2 79 | 757.0 29.8 1009.25 1009.25 | 757.8 29.83 1010.32 1010.32 | 2.1 0.08 2.8 2.8 | 95 | Wind blowing from the south-southwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | Drizzle (not freezing) or snow grains not falling as shower(s). | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratocumulus cumulogenitus. | 50%. 5/10. 4 oktas | 600-1000 1968-3281 | Altocumulus translucidus at a single level. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 4.0 2.5 | 25.3 78 | ||||||||||
17:30 | 26.6 80 | 754.9 29.72 1006.45 1006.45 | 755.8 29.76 1007.65 1007.65 | 1.0 0.04 1.33 1.33 | 92 | Wind blowing from the south-southwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | State of sky on the whole unchanged. | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 34.6 94 | Stratocumulus cumulogenitus. | 50%. 5/10. 4 oktas | 600-1000 1968-3281 | Altocumulus translucidus at a single level. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 10.0 6.2 | 25.2 77 | ||||||||||
14:30 | 34.0 93 | 753.9 29.68 1005.12 1005.12 | 754.6 29.71 1006.05 1006.05 | -2.8 -0.11 -3.73 -3.73 | 62 | Wind blowing from the west-southwest | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Stratocumulus cumulogenitus. | 50%. 5/10. 4 oktas | 600-1000 1968-3281 | Altocumulus translucidus at a single level. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 10.0 6.2 | 25.6 78 | ||||||||||||||
11:30 | 30.4 87 | 756.7 29.79 1008.85 1008.85 | 757.5 29.82 1009.92 1009.92 | 83 | Wind blowing from the west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | Stratocumulus cumulogenitus. | 40%. 4/10. 3 oktas | 600-1000 1968-3281 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with 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 6.2 | 27.1 81 | |||||||||||||||
05:30 | 25.0 77 | 755.6 29.75 1007.38 1007.38 | 756.4 29.78 1008.45 1008.45 | 0.0 0 0 0 | 100 | Calm, no wind | Calm | 100%. 10/10. 8 oktas | Drizzle, not freezing, intermittent, slight at time of observation. | Thunderstorm(s) with or without precipitation. | Rain. | Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus. | 50%. 5/10. 4 oktas | 300-600 984-1968 | Altostratus opacus or Nimbostratus. | 4.0 2.5 | 25.0 77 | ||||||||||||
02:30 | 24.6 76 | 755.6 29.75 1007.38 1007.38 | 756.4 29.78 1008.45 1008.45 | -1.4 -0.06 -1.87 -1.87 | 100 | Calm, no wind | Calm | 100%. 10/10. 8 oktas | Thunderstorm, slight or moderate, without hail, but with rain and/or snow at time of observation. | Thunderstorm(s) with or without precipitation. | Rain. | Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus. | 60%. 6/10. 5 oktas | 300-600 984-1968 | Altostratus opacus or Nimbostratus. | 4.0 2.5 | 24.6 76 | ||||||||||||
| September 19, Saturday | 23:30 | 27.4 81 | 757.0 29.8 1009.25 1009.25 | 757.9 29.84 1010.45 1010.45 | 0.5 0.02 0.67 0.67 | 84 | Wind blowing from the north | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | Thunderstorm, slight or moderate, without hail, but with rain and/or snow at time of observation. | Thunderstorm(s) with or without precipitation. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus. | 60%. 6/10. 5 oktas | 600-1000 1968-3281 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 4.0 2.5 | 24.5 76 | |||||||||||
20:30 | 28.4 83 | 756.5 29.78 1008.58 1008.58 | 757.3 29.81 1009.65 1009.65 | 3.1 0.12 4.13 4.13 | 92 | Wind blowing from the south | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 50%. 5/10. 4 oktas | Clouds generally dissolving or becoming less developed. | Thunderstorm(s) with or without precipitation. | Drizzle. | Stratocumulus other than Stratocumulus cumulogenitus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 600-1000 1968-3281 | Altocumulus translucidus at a single level. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 4.0 2.5 | 27.0 81 | |||||||||||