Limited 3 Days Seeing Prediction

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meteoblue.com forecastMurren (7.88°E / 46.57°N)     last update: 21.05  20:55 UTC
Mon 21.05.2012              05:51       20:59    meteoblue.com
Time (CEST)000102030405060708091011121314151617181920212223
High Clouds (%) 0 100 100 66 0 89 100 93 10 0
Mid Clouds (%) 0 100 100 100 100 100 100 100 100 100
Low Clouds (%) 0 47 28 55 88 92 100 100 100 100
Seeing Index 1 4 5 5 5 5 4 4 4 5 4
Seeing Index 2 3 4 4 3 3 3 2 3 3 3
Seeing arcSeconds 0.57 0.55 0.57 0.65 0.67 0.72 0.72 0.71 0.70 0.74
Jet stream (m/s) 14 15 16 17 17 15 14 13 14 14
2m Rel. Hum. (%) 93 93 84 97 97 97 98 98 98 98
Bad Layers Top (km) 10.3 10.3 10.3 10.3 10.3 10.3 10.3 10.3 10.3 10.3
Bad Layers Bot (km) 9.1 9.1 9.1 9.1 9.1 8.1 9.1 9.1 9.1 8.1
Bad Layers K/100m 0.97 0.98 1.01 1.10 1.04 0.77 1.10 1.12 1.13 0.78
Tue 22.05.2012              05:50       21:00    meteoblue.com
Time (CEST)000102030405060708091011121314151617181920212223
High Clouds (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 38 4
Mid Clouds (%) 100 100 100 100 100 100 100 100 100 65 31 10 10 9 0 100 100 0 0 99 100 100 100 100
Low Clouds (%) 99 99 51 86 98 95 85 56 54 83 90 99 100 100 99 94 88 82 81 86 93 99 100 100
Seeing Index 1 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 5
Seeing Index 2 3 2 3 3 3 3 2 2 2 3 2 2 2 3 3 2 3 3 3 2 3 3 3 4
Seeing arcSeconds 0.76 0.75 0.73 0.72 0.77 0.78 0.77 0.76 0.75 0.71 0.72 0.70 0.71 0.69 0.56 0.55 0.57 0.55 0.55 0.61 0.61 0.56 0.64 0.78
Jet stream (m/s) 14 13 13 13 12 12 13 13 14 15 16 17 18 18 18 17 16 17 19 19 19 19 20 20
2m Rel. Hum. (%) 97 92 79 83 83 84 86 85 89 97 97 97 97 97 97 97 97 97 97 98 97 97 97 97
Bad Layers Top (km) 10.3 10.3 10.3 10.3 10.3 10.3 10.3 10.3 10.4 10.4 10.4 10.4 10.4 10.4 10.4 10.4 10.4 10.4 10.4 10.5 10.5 10.5 10.5 5.0
Bad Layers Bot (km) 8.1 8.1 8.1 8.1 8.1 8.1 8.1 8.1 8.1 8.1 8.1 8.1 8.1 8.1 8.1 9.2 9.2 9.2 9.3 9.3 9.3 9.3 9.3 3.7
Bad Layers K/100m 0.79 0.79 0.78 0.75 0.71 0.71 0.72 0.70 0.70 0.72 0.74 0.77 0.84 0.82 0.77 1.14 1.10 0.94 0.77 0.69 0.64 0.55 0.50 0.62
Wed 23.05.2012              05:49       21:01    meteoblue.com
Time (CEST)000102030405060708091011121314151617181920212223
High Clouds (%) 97 100 86 20 89 10 0 0 0 0 1 0 0 55 86 100 100 100 80 62 85 100 0 0
Mid Clouds (%) 100 100 90 100 100 100 73 23 11 0 0 11 44 59 20 93 99 100 99 100 100 100 100 66
Low Clouds (%) 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 30
Seeing Index 1 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5
Seeing Index 2 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 4 5 5 5 5 4
Seeing arcSeconds 0.91 0.94 0.76 0.76 0.70 0.71 0.68 0.65 0.67 0.71 0.73 0.72 0.69 0.66 0.66 0.67 0.65 0.65 0.64 0.66 0.66 0.66 0.64 0.58
Jet stream (m/s) 20 19 18 16 14 11 10 9 8 7 8 8 10 11 12 13 13 13 13 13 13 13 12 12
2m Rel. Hum. (%) 97 97 97 97 96 96 96 96 96 96 97 96 96 96 97 98 99 99 98 98 97 97 97 95
Bad Layers Top (km) 5.0 5.0 5.0 5.0 4.3 4.3 4.3 4.3 4.3 4.3 4.3 2.6 3.7 3.7 3.7 4.4 4.4 4.4 4.4 3.7 3.7 3.7 3.1 3.7
Bad Layers Bot (km) 4.3 4.3 3.7 3.7 3.7 2.0 3.1 3.7 3.7 3.7 3.7 2.0 3.1 3.1 3.1 3.7 3.7 3.7 2.6 2.6 2.6 2.6 2.6 2.1
Bad Layers K/100m 0.81 0.81 0.62 0.61 0.65 0.54 0.56 0.68 0.64 0.58 0.54 0.58 0.55 0.60 0.63 0.53 0.55 0.54 0.52 0.52 0.53 0.57 0.61 0.73
Thu 24.05.2012              05:48       21:02    meteoblue.com
Time (CEST)000102030405060708091011121314151617181920212223
High Clouds (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 0 4 98 47 0
Mid Clouds (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 0 0 8 100
Low Clouds (%) 0 0 0 0 0 0 0 0 0 0 0 18 50 32 49 58 54 85 78 81 70 64 58 22
Seeing Index 1 5 5 5 5 5 5 5 5 5 5 5 5 5 4 4 5 5 5 5 5 5 5 5 5
Seeing Index 2 4 4 5 5 5 5 5 5 5 5 5 5 3 3 3 4 4 5 5 5 5 5 5 5
Seeing arcSeconds 0.56 0.59 0.61 0.61 0.60 0.59 0.58 0.59 0.59 0.58 0.57 0.56 0.57 0.58 0.57 0.52 0.52 0.54 0.58 0.56 0.56 0.55 0.56 0.55
Jet stream (m/s) 11 11 11 12 12 12 13 13 14 14 14 13 12 12 11 9 9 8 8 8 9 10 11 12
2m Rel. Hum. (%) 71 62 60 61 64 63 60 56 56 63 84 96 96 87 68 96 95 97 98 96 96 96 96 93
Bad Layers Top (km) 3.7 3.7 2.6 2.6 3.1 3.1 3.1 no no 2.6 2.6 3.1 3.7 3.7 3.7 4.4 4.4 4.4 4.4 4.4 4.4 3.1 2.6 2.6
Bad Layers Bot (km) 2.1 2.0 2.0 2.0 2.0 2.0 2.6 no no 2.0 2.0 2.1 2.1 3.1 3.1 3.2 3.2 3.7 3.7 3.7 3.7 2.6 2.1 2.1
Bad Layers K/100m 0.56 0.52 0.51 0.50 0.52 0.52 0.50 no no 0.52 0.63 0.58 0.78 0.65 0.63 0.59 0.59 0.70 0.73 0.51 0.54 0.57 0.75 0.91


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