WMO definitions | Photos and graphics | |
|---|
No | Icon | Description/Weather | Photo | Day | Dawn | Night | Commentary |
|---|
| 00 |  | Cloud development not observed or not observable | not portrayable | not portrayable | not portrayable | not portrayable | - |
| 01 |  | Cloud generally dissolving or becoming less developed | Image view | in progress | in progress | in progress | - |
| 02 |  | State of sky on the whole unchanged | not portrayable | not portrayable | not portrayable | not portrayable | - |
| 03 |  | Clouds generally forming or developing | Image view | in progress | in progress | in progress | - |
| 04 |  | Visibility reduced by smoke | Image view |  |  |  | - |
| 05 |  | Haze | Image view |  |  |  | - |
| 06 |  | Widespread dust in suspension in the air | no image |  |  |  | - |
| 07 |  | Dust or sand raised by wind at or near the station | Image view |  |  |  | - |
| 08 |  | Well-developed dust or sand whirl(s) | Image view |  |  |  | - |
| 09 |  | Duststorm or sandstorm within sight or at the station | no image |  |  |  | - |
| 10 |  | Mist | Image view |  |  |  | - |
| 11 |  | Patches of shallow fog or ice fog at the station | Image view |  |  |  | - |
| 12 |  | More or less continuous shallow fog or ice fog at the station | Image view |  |  |  | - |
| 13 |  | Lightning visible, no thunder heard | Image view |  |  |  | - |
| 14 |  | Precipitation within sight, not reaching the ground | no image |  |  |  | - |
| 15 |  | Precipitation within sight, reaching the ground > 5 km from the station | Image view |  |  |  | - |
| 16 |  | Precipitation within sight near to, but not at the station | Image view |  |  |  | - |
| 17 |  | Thunderstorm, but no precipitation | Image view |  |  |  | - |
| 18 |  | Squalls at or within sight of the station | Image view |  |  |  | - |
| 19 |  | Funnel clouds at or within sight of the station | Image view |  |  |  | - |
| 20 |  | Drizzle (not freezing) or snow grains, not falling as showers | no image |  | in progress | in progress | - |
| 21 |  | Rain (not freezing), not falling as showers | Image view |  | in progress | in progress | - |
| 22 |  | Snow, not falling as showers | Image view |  | in progress | in progress | - |
| 23 |  | Rain and snow or ice pellets, not falling as showers | Image view |  | in progress | in progress | - |
| 24 |  | Freezing drizzle or freezing rain | Image view |  | in progress | in progress | - |
| 25 |  | Shower(s) of rain | no image |  | in progress | in progress | - |
| 26 |  | Shower(s) of snow, or of rain and snow | Image view |  | in progress | in progress | - |
| 27 |  | Shower(s) of hail, or of rain and hail | Image view |  | in progress | in progress | - |
| 28 |  | Fog or ice fog | Image view |  | in progress | in progress | - |
| 29 |  | Thunderstorm (with or without precipitation) | Image view |  | in progress | in progress | - |
| 30 |  | Slight or moderate duststorm or sandstorm - has decreased | no image |  | in progress | in progress | - |
| 31 |  | Slight or moderate duststorm or sandstorm - no appreciable change | no image |  | in progress | in progress | - |
| 32 |  | Slight or moderate duststorm or sandstorm - has begun or has increased | no image |  | in progress | in progress | - |
| 33 |  | Severe duststorm or sandstorm - has decreased | no image |  | in progress | in progress | - |
| 34 |  | Severe duststorm or sandstorm - no appreciable change | no image |  | in progress | in progress | - |
| 35 |  | Severe duststorm or sandstorm - has begun or has increased | no image |  | in progress | in progress | - |
| 36 |  | Slight/moderate drifting snow - generally low (below eye level) | no image |  | in progress | in progress | - |
| 37 |  | Heavy drifting snow - generally low (below eye level) | no image |  | in progress | in progress | - |
| 38 |  | Slight/moderate blowing snow - generally high (above eye level) | no image |  | in progress | in progress | - |
| 39 |  | Heavy blowing snow - generally high (above eye level) | no image |  | in progress | in progress | - |
| 40 |  | Fog or ice fog at distance, but not at station | Image view |  | in progress | in progress | - |
| 41 |  | Fog or ice fog in patches | no image |  | in progress | in progress | - |
| 42 |  | Fog/ice fog, sky visible, has become thinner | no image |  | in progress | in progress | - |
| 43 |  | Fog/ice fog, sky invisible, has become thinner | no image |  | in progress | in progress | - |
| 44 |  | Fog or ice fog, sky visible, no appreciable change | no image |  | in progress | in progress | - |
| 45 |  | Fog or ice fog, sky invisible, no appreciable change | no image |  | in progress | in progress | - |
| 46 |  | Fog or ice fog, sky visible, has begun or has become thicker | no image |  | in progress | in progress | - |
| 47 |  | Fog or ice fog, sky invisible, has begun or has become thicker | no image |  | in progress | in progress | - |
| 48 |  | Fog, depositing rime, sky visible | Image view |  | in progress | in progress | - |
| 49 |  | Fog, depositing rime, sky invisible | no image |  | in progress | in progress | - |
| 50 |  | Drizzle, not freezing, intermittent, slight | no image |  | in progress | in progress | - |
| 51 |  | Drizzle, not freezing, continuous, slight | no image |  | in progress | in progress | - |
| 52 |  | Drizzle, not freezing, intermittent, moderate | no image |  | in progress | in progress | - |
| 53 |  | Drizzle, not freezing, continuous, moderate | no image |  | in progress | in progress | - |
| 54 |  | Drizzle, not freezing, intermittent, heavy | no image |  | in progress | in progress | - |
| 55 |  | Drizzle, not freezing, continuous, heavy | no image |  | in progress | in progress | - |
| 56 |  | Drizzle, freezing, slight | no image |  | in progress | in progress | - |
| 57 |  | Drizzle, freezing, moderate or heavy (dense) | no image |  | in progress | in progress | - |
| 58 |  | Rain and drizzle, slight | no image |  | in progress | in progress | - |
| 59 |  | Rain and drizzle, moderate or heavy | no image |  | in progress | in progress | - |
| 60 |  | Rain, not freezing, intermittent, slight | no image |  | in progress | in progress | - |
| 61 |  | Rain, not freezing, continuous, slight | no image |  | in progress | in progress | - |
| 62 |  | Rain, not freezing, intermittent, moderate | no image |  | in progress | in progress | - |
| 63 |  | Rain, not freezing, continuous, moderate | no image |  | in progress | in progress | - |
| 64 |  | Rain, not freezing, intermittent, heavy | Image view |  | in progress | in progress | - |
| 65 |  | Rain, not freezing, continuous, heavy | no image |  | in progress | in progress | - |
| 66 |  | Rain, freezing, slight | no image |  | in progress | in progress | - |
| 67 |  | Rain, freezing, moderate or heavy | no image |  | in progress | in progress | - |
| 68 |  | Rain or drizzle and snow, slight | no image |  | in progress | in progress | - |
| 69 |  | Rain or drizzle and snow, moderate or heavy | no image |  | in progress | in progress | - |
| 70 |  | Intermittent fall of snowflakes, slight | no image |  | in progress | in progress | - |
| 71 |  | Continuous fall of snowflakes, slight | no image |  | in progress | in progress | - |
| 72 |  | Intermittent fall of snowflakes, moderate | no image |  | in progress | in progress | - |
| 73 |  | Continuous fall of snowflakes, moderate | no image |  | in progress | in progress | - |
| 74 |  | Intermittent fall of snowflakes, heavy | no image |  | in progress | in progress | - |
| 75 |  | Continuous fall of snowflakes, heavy | no image |  | in progress | in progress | - |
| 76 |  | Diamond dust (with or without fog) | no image |  | in progress | in progress | - |
| 77 |  | Snow grains (with or without fog) | no image |  | in progress | in progress | - |
| 78 |  | Isolated star-like snow crystals (with or without fog) | Image view |  | in progress | in progress | - |
| 79 |  | Ice pellets | no image |  | in progress | in progress | - |
| 80 |  | Rain shower(s), slight | no image |  | in progress | in progress | - |
| 81 |  | Rain shower(s), moderate or heavy | Image view |  | in progress | in progress | - |
| 82 |  | Rain shower(s), violent | Image view |  | in progress | in progress | - |
| 83 |  | Shower(s) of rain and snow, slight | no image |  | in progress | in progress | - |
| 84 |  | Shower(s) of rain and snow, moderate or heavy | no image |  | in progress | in progress | - |
| 85 |  | Snow shower(s), slight | no image |  | in progress | in progress | - |
| 86 |  | Snow shower(s), moderate or heavy | no image |  | in progress | in progress | - |
| 87 |  | Shower(s) of snow pellets or small hail, slight | Image view |  | in progress | in progress | - |
| 88 |  | Shower(s) of snow pellets or small hail, moderate or heavy | Image view |  | in progress | in progress | - |
| 89 |  | Shower(s) of hail no thunder, slight | Image view |  | in progress | in progress | - |
| 90 |  | Shower(s) of hail no thunder, moderate or heavy | no image |  | in progress | in progress | - |
| 91 |  | Slight rain - Thunderstorm during the preceding hour | no image |  | in progress | in progress | - |
| 92 |  | Moderate or heavy rain - Thunderstorm during the preceding hour | no image |  | in progress | in progress | - |
| 93 |  | Slight snow, or rain and snow mixed or hail, Thunderstorm during the preceding hour | no image |  | in progress | in progress | - |
| 94 |  | Moderate or heavy snow, or rain and snow mixed or hail, Thunderstorm during the preceding hour | no image |  | in progress | in progress | - |
| 95 |  | Thunderstorm, slight or moderate, without hail, but with rain and/or snow | no image |  | in progress | in progress | - |
| 96 |  | Thunderstorm, slight or moderate, with hail | no image |  | in progress | in progress | - |
| 97 |  | Thunderstorm, heavy, without hail, but with rain and/or snow | no image |  | in progress | in progress | - |
| 98 |  | Thunderstorm combined with dust/sandstorm | no image |  | in progress | in progress | - |
| 99 |  | Thunderstorm, heavy with hail | no image |  | in progress | in progress | - |
