Barbará

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Limited 3 Days Seeing Prediction

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meteoblue.com forecastBarbara (1.23°E / 41.40°N)     last update: 28.05  08:47 UTC
Mon 28.05.2012              06:29       21:15    meteoblue.com
Time (CEST)000102030405060708091011121314151617181920212223
High Clouds (%) 0 100 100 100 81 68 73 69 47 29 11 11 22 33 0 0 0 0 0 0 0 0
Mid Clouds (%) 0 0 0 0 0 61 100 100 66 14 10 11 44 94 100 71 13 0 2 11 11 0
Low Clouds (%) 0 0 0 0 0 0 0 0 0 0 10 13 24 19 6 3 3 3 0 0 0 0
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
Seeing Index 2 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5
Seeing arcSeconds 1.06 1.11 1.15 1.17 1.17 1.16 1.15 1.14 1.14 1.13 1.11 1.13 1.16 1.15 1.12 1.08 1.09 1.13 1.17 1.19 1.19 1.20
Jet stream (m/s) 18 17 16 16 15 14 14 13 13 12 13 14 16 18 20 21 21 21 20 19 18 17
2m Rel. Hum. (%) 71 71 70 70 70 70 69 72 70 69 70 73 74 73 74 76 80 84 88 87 81 76
Bad Layers Top (km) 1.0 1.0 1.0 1.0 1.0 1.0 1.0 no no no 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
Bad Layers Bot (km) 0.6 0.6 0.6 0.6 0.6 0.6 0.6 no no no 1.0 1.0 1.0 1.0 1.0 1.0 1.0 0.6 0.6 0.6 0.6 1.0
Bad Layers K/100m 0.79 0.72 0.65 0.59 0.57 0.57 0.53 no no no 0.55 0.66 0.70 0.63 0.64 0.63 0.56 0.57 0.63 0.65 0.58 0.53
Tue 29.05.2012              06:28       21:16    meteoblue.com
Time (CEST)000102030405060708091011121314151617181920212223
High Clouds (%) 0 14 72 100 100 100 81 56 24 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Mid Clouds (%) 0 0 5 33 79 99 100 100 100 99 50 11 0 0 0 0 0 0 0 0 0 0 0 0
Low Clouds (%) 0 0 0 0 0 0 0 0 0 0 14 16 20 20 15 10 6 0 0 0 0 0 0 0
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 5 5 5 5 5 5 5 4 4 4 4 4 4 4 5 5 5 5 5 4 4 4 4 4
Seeing arcSeconds 1.22 1.23 1.24 1.24 1.23 1.22 1.21 1.19 1.18 1.18 1.16 1.13 1.09 1.03 0.97 0.94 0.96 0.97 0.96 0.96 0.98 0.98 0.97 0.95
Jet stream (m/s) 17 17 17 17 18 18 18 19 20 21 21 22 22 23 24 23 23 23 22 22 22 22 23 24
2m Rel. Hum. (%) 73 71 70 69 69 69 69 69 69 69 68 67 66 69 72 72 73 74 76 82 88 87 82 78
Bad Layers Top (km) no 4.3 4.3 no no no no 10.6 10.6 10.6 10.6 10.6 10.6 10.6 2.0 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.0
Bad Layers Bot (km) no 3.7 3.7 no no no no 9.4 9.4 9.4 9.4 9.4 9.4 9.4 1.0 1.0 1.0 1.0 1.0 0.6 0.6 0.6 0.1 0.1
Bad Layers K/100m no 0.50 0.51 no no no no 0.50 0.52 0.55 0.57 0.57 0.55 0.52 0.56 0.73 0.78 0.79 0.76 0.74 0.87 0.93 0.74 0.86
Wed 30.05.2012              06:28       21:17    meteoblue.com
Time (CEST)000102030405060708091011121314151617181920212223
High Clouds (%) 0 0 21 20 99 72 71 49 57 50 51 25 0 0 0 0 0 1 16 4 0 0 0 0
Mid Clouds (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
Low Clouds (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 3 0 0 0 0 0 0 0 0
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 5 5 5 5 5 5 5 5 5 4 4 5 4 4 4 3 3 4
Seeing arcSeconds 0.94 0.94 0.91 0.88 0.88 0.87 0.86 0.86 0.86 0.86 0.87 0.87 0.87 0.86 0.86 0.86 0.92 0.99 1.01 1.04 1.06 1.10 1.15 1.17
Jet stream (m/s) 26 27 28 29 30 29 30 30 30 30 29 29 28 27 27 26 25 24 23 23 22 21 19 18
2m Rel. Hum. (%) 77 77 75 73 69 64 61 58 57 59 58 61 62 69 78 82 83 80 86 90 90 84 76 72
Bad Layers Top (km) 1.0 1.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.1 4.4 4.4 4.4 4.4 4.4 4.4 4.4 1.1 1.6 1.6 5.1 5.1 5.1 5.1
Bad Layers Bot (km) 0.1 0.1 4.4 4.4 4.4 4.4 4.4 4.4 4.4 4.4 3.7 3.7 3.8 3.8 3.8 3.8 3.8 0.6 0.6 0.6 4.4 4.4 4.4 4.4
Bad Layers K/100m 0.88 0.87 0.53 0.54 0.54 0.52 0.52 0.53 0.55 0.52 0.54 0.56 0.56 0.56 0.55 0.55 0.51 1.10 0.81 0.84 0.54 0.54 0.52 0.51


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