Limited 3 Days Seeing Prediction

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meteoblue.com forecastSkopje (21.43°E / 42.00°N)     last update: 13.02  09:01 UTC
Mon 13.02.2012              06:36       17:00    meteoblue.com
Time (CET)000102030405060708091011121314151617181920212223
High Clouds (%) 0 72 100 95 11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Mid Clouds (%) 0 100 100 100 100 100 100 100 100 55 56 87 100 66 63 32 11 22 44 67 83 94 78
Low Clouds (%) 0 100 100 100 100 100 100 100 100 100 100 100 100 100 94 97 96 99 100 85 87 71 61
Seeing Index 1 3 3 3 3 3 2 2 2 2 2 2 2 2 2 1 1 2 1 1 1 1 1 1
Seeing Index 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Seeing arcSeconds 1.34 1.24 1.23 1.22 1.18 1.11 1.03 1.01 0.96 0.92 0.94 0.95 0.93 0.92 0.92 0.98 1.03 1.11 1.17 1.18 1.17 1.18 1.18
Jet stream (m/s) 22 22 21 23 23 23 23 23 24 25 25 25 26 27 27 27 26 26 26 26 26 25 25
2m Rel. Hum. (%) 94 92 92 90 86 84 84 87 88 89 88 87 88 89 88 85 81 79 80 84 86 87 87
Bad Layers Top (km) 10.1 10.1 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 9.9 9.9 9.9 9.9 9.9 9.9
Bad Layers Bot (km) 8.9 8.9 8.9 8.9 8.9 7.9 7.8 6.9 6.9 6.9 6.9 6.9 6.9 6.1 6.1 6.1 6.9 6.9 6.8 6.8 6.8 6.8 6.8
Bad Layers K/100m 1.30 1.12 1.21 1.30 1.30 0.97 0.97 0.83 0.88 0.88 0.88 0.93 1.00 0.93 0.96 0.98 1.16 1.18 1.19 1.20 1.21 1.22 1.23
Tue 14.02.2012              06:35       17:01    meteoblue.com
Time (CET)000102030405060708091011121314151617181920212223
High Clouds (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Mid Clouds (%) 23 0 0 0 0 10 22 53 66 33 21 37 59 96 81 64 70 80 51 22 11 19 34 57
Low Clouds (%) 46 45 33 35 37 34 48 69 75 57 77 96 87 93 89 88 88 98 95 96 98 100 100 100
Seeing Index 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 1 2 2 2 2 2 2 2
Seeing Index 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Seeing arcSeconds 1.15 1.12 1.10 1.10 1.11 1.11 1.09 1.07 1.05 1.00 0.98 1.00 1.07 1.15 1.18 1.21 1.23 1.20 1.15 1.14 1.15 1.12 1.08 1.04
Jet stream (m/s) 26 27 28 28 27 27 27 26 26 26 26 26 25 25 25 24 24 24 24 24 24 23 23 22
2m Rel. Hum. (%) 85 83 83 85 90 94 96 96 96 96 96 96 96 96 96 96 96 96 96 96 95 91 85 81
Bad Layers Top (km) 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9
Bad Layers Bot (km) 6.8 6.8 6.8 6.8 6.8 6.0 6.0 6.0 6.0 6.0 6.8 6.8 6.8 6.8 6.8 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0
Bad Layers K/100m 1.24 1.26 1.26 1.26 1.26 1.08 1.09 1.09 1.09 1.09 1.28 1.30 1.30 1.29 1.28 1.07 1.07 1.05 1.02 1.00 0.97 0.96 0.95 0.95
Wed 15.02.2012              06:33       17:02    meteoblue.com
Time (CET)000102030405060708091011121314151617181920212223
High Clouds (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 21
Mid Clouds (%) 26 15 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 63 100 100 100 100
Low Clouds (%) 100 96 76 71 51 45 43 42 22 54 55 78 72 66 73 44 32 22 11 11 22 38 50 55
Seeing Index 1 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4
Seeing Index 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2
Seeing arcSeconds 1.02 1.02 1.05 1.10 1.18 1.29 1.39 1.49 1.56 1.64 1.74 1.82 1.91 2.03 2.04 1.89 1.60 1.48 1.37 1.38 1.42 1.44 1.47 1.47
Jet stream (m/s) 22 21 21 20 21 22 22 22 22 22 21 21 21 21 21 22 24 24 25 25 26 29 32 36
2m Rel. Hum. (%) 80 79 77 77 77 77 78 80 81 88 94 96 96 96 95 84 64 59 64 66 69 72 75 73
Bad Layers Top (km) 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 10.0 8.8 7.8 7.8 7.8 6.9 6.1 6.1
Bad Layers Bot (km) 6.0 6.0 6.8 6.8 6.0 6.0 6.8 7.7 7.8 8.8 7.8 7.8 7.8 7.8 7.8 7.8 7.8 6.9 6.9 6.9 6.9 4.0 3.4 3.4
Bad Layers K/100m 0.94 0.91 1.00 0.95 0.81 0.76 0.77 0.88 0.85 1.15 0.82 0.82 0.81 0.76 0.70 0.67 0.63 0.57 0.52 0.50 0.51 0.59 0.61 0.62


Values may not reflect precisely reality.(Ver. 2.3, 14.6.2009)
  • For good seeing conditions look for dark blue colors in the cloud cover and green values in the Seeing Indices and Jet Stream
  • The estimated seeing indexes (1 & 2) range from 1 (poor) to 5 (excellent) seeing conditions. This value is computed based on the integration of turbulent layers in the atmosphere.
  • NEW! Estimation of seeing in arcseconds. This is a test prediction under development, uncalibrated for the time being.
  • Cloud cover ranges from dark blue (0% cover) to white (100% cover). Fog or very low cloud is not shown here (see pictocast for fog)
  • High jetstream speeds (>35m/s) usually correspond to bad seeing, as well as very low speeds (<5m/s). Color gives a hint.
  • Bad Layers have a Temperature Gradient > 0.5K/100m. The actual gradient is shown K/100m. The top and bottom height of the Bad layers is indicated by Bad Layers bot/top