Register: Special phenomena

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URI: http://codes.wmo.int/bufr4/codeflag/0-20-063    

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label Special phenomena
manager www dm
member Squall with drifting or blowing dust or sand | Missing value | Line squall with drifting or blowing dust or sand | Variation of temperature not observed | Brocken spectre | Mirage - No specification | Mirage - Image of distant object raised (looming) | Solar or lunar halo | Mirage | Temperature steady | Hoar frost on horizontal and vertical surfaces | Deep-red coloration of clouds at sunrise associated with a tropical disturbance | Slight coloration of clouds at sunset associated with a tropical disturbance | Deep-red coloration of clouds at sunset associated with a tropical disturbance | Twilight glow on the mountains (Alpenglühen) | Highest wind speed gusts greater than 11.5 m/s | Calm or light wind followed by a squall | Irregular variation, oscillations of temperature passing through 0°C | Calm or light wind followed by a succession of squalls | Squall approaching station | Precipitation containing sand or desert dust | Mirage - Complex, multiple images of distant object (images not inverted) | Mirage - Complex, multiple images of distant object (some images being inverted) | Visibility has decreased (sun* visible) towards direction specified | Highest mean wind speed greater than 17.5 m/s | Visibility has decreased (sun* invisible) towards direction specified | Irregular variation, oscillations of temperature not passing through 0°C | Convergence of CH clouds at a point above 45° associated with a tropical disturbance | Variation of temperature unknown owing to lack of thermograph | Corona | Visibility greater than 100 000 m | Hoar frost on horizontal surfaces | Mirage - Inverted image of distant object | Day darkness, very bad, worst in direction specified | Moving patches or banks of fog | Twilight glow | Visibility has increased (sun* visible) towards direction specified | Visibility has increased (sun* invisible) towards direction specified | Temperature rising to a value above 0°C | Convergence of CH clouds at a point above 45° associated with a tropical disturbance | Convergence of CH clouds at a point below 45° dissolving or diminishing and associated with a tropical disturbance | Slight coloration of clouds at sunrise associated with a tropical disturbance | Temperature falling to a value below 0°C | Squall followed by gusty weather | General gusty weather with squall at intervals | Mirage - Moon visible, although astronomically below the horizon | Visibility has not varied (sun* visible) towards direction specified | Mirage - Image of distant object raised clear above the horizon | Not allocated | Sun pillar | Fog has dispersed without regard to direction | Day darkness, bad, worst in direction specified | Day darkness, black, worst in direction specified | Parhelia or anthelia | Zodiacal light | Temperature falling, without going below 0°C | Gusty weather followed by a squall | Gusty weather followed by a succession of squalls | St Elmo's fire | Mirage - Sun or moon seen appreciably distorted | Rainbow | Mirage - Sun visible, although astronomically below the horizon | Visibility has not varied (sun* invisible) towards direction specified | Fog coming from direction specified | Temperature rising, without going above 0°C | Fog has lifted, without dissipating | Convergence of CH clouds at a point below 45° forming or increasing and associated with a tropical disturbance | Precipitation containing volcanic ash | Line squall
membership predicate member
modified 3 Sep 2014 09:54:55.963
owner wmo
publisher wmo
type Register | Container | Collection
version info 1
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Contents

Notation Name Description Status
1 Highest wind speed gusts greater than 11.5 m/s stable
2 Highest mean wind speed greater than 17.5 m/s stable
7 Visibility greater than 100 000 m stable
10 Mirage - No specification stable
11 Mirage - Image of distant object raised (looming) stable
12 Mirage - Image of distant object raised clear above the horizon stable
13 Mirage - Inverted image of distant object stable
14 Mirage - Complex, multiple images of distant object (images not inverted) stable
15 Mirage - Complex, multiple images of distant object (some images being inverted) stable
16 Mirage - Sun or moon seen appreciably distorted stable
17 Mirage - Sun visible, although astronomically below the horizon stable
18 Mirage - Moon visible, although astronomically below the horizon stable
20 Day darkness, bad, worst in direction specified stable
21 Day darkness, very bad, worst in direction specified stable
22 Day darkness, black, worst in direction specified stable
31 Slight coloration of clouds at sunrise associated with a tropical disturbance stable
32 Deep-red coloration of clouds at sunrise associated with a tropical disturbance stable
33 Slight coloration of clouds at sunset associated with a tropical disturbance stable
34 Deep-red coloration of clouds at sunset associated with a tropical disturbance stable
35 Convergence of CH clouds at a point below 45° forming or increasing and associated with a tropical disturbance stable
36 Convergence of CH clouds at a point above 45° associated with a tropical disturbance stable
37 Convergence of CH clouds at a point below 45° dissolving or diminishing and associated with a tropical disturbance stable
38 Convergence of CH clouds at a point above 45° associated with a tropical disturbance stable
40 Hoar frost on horizontal surfaces stable
41 Hoar frost on horizontal and vertical surfaces stable
42 Precipitation containing sand or desert dust stable
43 Precipitation containing volcanic ash stable
50 Calm or light wind followed by a squall stable
51 Calm or light wind followed by a succession of squalls stable
52 Gusty weather followed by a squall stable
53 Gusty weather followed by a succession of squalls stable
54 Squall followed by gusty weather stable
55 General gusty weather with squall at intervals stable
56 Squall approaching station stable
57 Line squall stable
58 Squall with drifting or blowing dust or sand stable
59 Line squall with drifting or blowing dust or sand stable
60 Temperature steady stable
61 Temperature falling, without going below 0°C stable
62 Temperature rising, without going above 0°C stable
63 Temperature falling to a value below 0°C stable
64 Temperature rising to a value above 0°C stable
65 Irregular variation, oscillations of temperature passing through 0°C stable
66 Irregular variation, oscillations of temperature not passing through 0°C stable
67 Variation of temperature not observed stable
68 Not allocated stable
69 Variation of temperature unknown owing to lack of thermograph stable
70 Visibility has not varied (sun* visible) towards direction specified stable
71 Visibility has not varied (sun* invisible) towards direction specified stable
72 Visibility has increased (sun* visible) towards direction specified stable
73 Visibility has increased (sun* invisible) towards direction specified stable
74 Visibility has decreased (sun* visible) towards direction specified stable
75 Visibility has decreased (sun* invisible) towards direction specified stable
76 Fog coming from direction specified stable
77 Fog has lifted, without dissipating stable
78 Fog has dispersed without regard to direction stable
79 Moving patches or banks of fog stable
80 Brocken spectre stable
81 Rainbow stable
82 Solar or lunar halo stable
83 Parhelia or anthelia stable
84 Sun pillar stable
85 Corona stable
86 Twilight glow stable
87 Twilight glow on the mountains (Alpenglühen) stable
88 Mirage stable
89 Zodiacal light stable
90 St Elmo's fire stable
1023 Missing value stable