Weather archive in Grimsstadir
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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 | |
2021 April 16, Friday | 09 | 6.0 43 | 711.7 28.02 948.86 948.86 | 745.9 29.37 994.45 994.45 | 70 | Wind blowing from the south-southeast | Near gale (15 m/s) (54 km/h) (34 mph) (29 knots) (7 Bft) | 40%. 4/10. 3 oktas | 4.0 39 | 6.4 44 | Stratocumulus cumulogenitus. | 40%. 4/10. 3 oktas | 1000-1500 3281-4921 | Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels. | No Cirrus, Cirrocumulus or Cirrostratus. | 71.0 44.1 | 0.9 34 | Compact or wet snow (with or without ice) covering at least one-half of the ground but ground not completely covered. | Measurement impossible or inaccurate. | ||||||||||
April 15, Thursday | 21 | 5.2 41 | 714.7 28.14 952.86 952.86 | 749.2 29.5 998.85 998.85 | -2.2 -0.09 -2.93 -2.93 | 74 | Wind blowing from the south | Near gale (15 m/s) (54 km/h) (34 mph) (29 knots) (7 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Stratocumulus cumulogenitus. | 50%. 5/10. 4 oktas | 1000-1500 3281-4921 | Altocumulus cumulogenitus (or cumulonimbogenitus). | 71.0 44.1 | 0.8 33 | ||||||||||||||
18 | 5.7 42 | 716.9 28.22 955.79 955.79 | 751.4 29.58 1001.78 1001.78 | -3.0 -0.12 -4 -4 | 71 | Wind blowing from the south | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 3.0 37 | 5.7 42 | Stratocumulus other than Stratocumulus cumulogenitus. | 40%. 4/10. 3 oktas | 600-1000 1968-3281 | Altocumulus cumulogenitus (or cumulonimbogenitus). | 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. | 71.0 44.1 | 0.8 33 | 0.1 | 9 | ||||||||||
15 | 4.7 40 | 719.9 28.34 959.79 959.79 | 754.7 29.71 1006.18 1006.18 | -2.1 -0.08 -2.8 -2.8 | 81 | Wind blowing from the south-southeast | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Shower(s) of rain. | 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 and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels. | 40%. 4/10. 3 oktas | 600-1000 1968-3281 | Altostratus opacus or Nimbostratus. | Cirrostratus covering the whole sky. | 60.0 37.3 | 1.7 35 | |||||||||||
12 | 4.7 40 | 722.0 28.43 962.59 962.59 | 756.9 29.8 1009.12 1009.12 | -2.7 -0.11 -3.6 -3.6 | 78 | Wind blowing from the south | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 100%. 10/10. 8 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. | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus. | 50%. 5/10. 4 oktas | 600-1000 1968-3281 | Altostratus opacus or Nimbostratus. | Cirrostratus covering the whole sky. | 71.0 44.1 | 1.1 34 | |||||||||||
09 | 3.2 38 | 724.7 28.53 966.19 966.19 | 759.9 29.92 1013.12 1013.12 | 83 | Wind blowing from the east-southeast | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 100%. 10/10. 8 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. | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 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 | 300-600 984-1968 | Altostratus opacus or Nimbostratus. | 30.0 18.6 | 0.5 33 | Trace of precipitation Trace of precipitation | 15 | Compact or wet snow (with or without ice) covering at least one-half of the ground but ground not completely covered. | Measurement impossible or inaccurate. |