GLOBE Observer Survey
Enter the local time and date of the observation:
Enter your longitude and latitude:
What does your sky look like?
Clouds or Contrails
Clear Sky (No Clouds or Contrails)
Obscured (smoke, dust, haze, fog, etc.)
Overall Sky Conditions: What percentage of the whole sky is covered by clouds?
Less than 10% (Few)
10-25% (Isolated)
25-50% (Scattered)
50-90% (Broken)
90-100% (Overcast)
Overall Sky Conditions: What color is the deepest shade of blue in the sky?
Deep Blue
Blue
Light Blue
Pale Blue
Milky
Overall Sky Conditions: What is the sky visibility across the horizon?
Unusually Clear
Clear
Somewhat Hazy
Very Hazy
Extremely Hazy
Surface Conditions: Are there any of the following?
Snow/Ice
Standing Water
Muddy
Dry Ground
Leaves on Trees
Raining/Snowing
None
Types of Obscurations: Which of these obscurations are present?
Haze
Dust
Smoke
Volcanic Ash
Spray
Sand
Fog
Heavy Rain
Heavy Snow
Blowing Snow
None
Types of Contrails: Choose the contrail types seen.
Short Lived
Persistent Non-Spreading
Persistent Spreading
Choose the number of Contrail Types seen.
1
2
3
High Level Clouds: What high level clouds are present?
None
Cirrus
Cirrocumulus
Cirrostratus
High Level Clouds: What percentage of the high level sky is covered by clouds/contrails?
0-10% (Few)
10-25% (Isolated)
25-50% (Scattered)
High Level Clouds: What is the visual opacity of the high level clouds/contrails?
Opaque
Transparent
Translucent
Mid Level Clouds: What clouds are present in the middle of the sky?
Altostratus
Altocumulus
None
Mid Level Clouds: What percentage of the mid level sky is covered by clouds/contrails?
0-10% (Few)
10-25% (Isolated)
25-50% (Scattered)
Mid Level Clouds: What is the visual opacity of the mid level clouds?
Opaque
Translucent
Transparent
Low Level Clouds: What low level clouds are present?
None
Fog
Stratocumulus
Cumulus
Nimbostratus
Cumulonimbus
Low Level Clouds: What percentage of the low level sky is covered by clouds?
0-10% (Few)
10-25% (Isolated)
25-50% (Scattered)
Low Level Clouds: What is the visual opacity of the low level clouds?
Opaque
Translucent
Transparent
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