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Observed
wind
speed
|
0-2 kts
(0-2 mph)
|
3-7 kts
(3-8 mph)
|
8-12 kts
(9-14 mph)
|
13-17 kts
(15-20 mph)
|
18-22 kts
(21-25 mph)
|
23-27 kts
(26-31 mph)
|
28-32 kts
(32-37 mph)
|
33-37 kts
(38-43 mph)
|
48-52 kts
(55-60 mph)
|
53-57 kts
(61-66 mph)
|
58-62 kts
(67-71 mph)
|
63-67 kts
(73-77 mph)
|
98-102 kts
(113-117 mph)
|
102-107 kts
(119-123 mph)
|
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Rounded
to the
nearest 5
|
0 kts
|
5 kts
|
10 kts
|
15 kts
|
20 kts
|
25 kts
|
30 kts
|
35 kts
|
50 kts
|
55 kts
|
60 kts
|
65 kts
|
100 kts
|
105 kts
|
Plotted as
|
Wind FROM 340° (NNW) | Wind FROM 040° (NE) | Wind FROM 190° (S) |
---|---|---|
Code | Symbol | Description | |
---|---|---|---|
Pressure higher than three hours ago | 0 | Rising, the falling | |
1 | Rising, then steady; or rising, then rising more slowly | ||
2 | Rising steadily, or unsteadily | ||
3 | Falling or steady, then rising; or rising, then rising more quickly | ||
Pressure the same as three hours ago | 4 | Steady, same as 3 hours ago | |
Pressure lower than three hours ago | 5 | Falling, then rising, same or lower than 3 hours ago | |
6 | Falling, then steady; or falling, then falling more slowly | ||
7 | Falling steadily, or unsteadily | ||
8 | Steady or rising, then falling; or falling, then falling more quickly |
Sky Cover Symbols
No Clouds | 1/8th skycover | 2/8ths skycover | 3/8ths skycover | 4/8ths skycover | 5/8ths skycover | 6/8ths skycover | 7/8ths skycover | 8/8ths skycover (completely overcast) |
Sky Obscured
(used when a surface-based weather phenomena (i.e. fog, dust, etc.) blocks the view of the sky) |
Past Weather Symbols
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
---|---|---|---|---|---|---|---|---|---|
Clear or Few Clouds (not plotted) | Partly cloudy (scattered) or variable sky (not plotted) | Cloudy (broken) or overcast (not plotted) | Sandstorm or dust storm, or drifting or blowing snow | Fog, or smoke, or thick dust haze | Drizzle | Rain | Snow, or rain and snow mixed, or ice pellets (sleet) | Shower(s) | Thunderstorm, with or without precipitation |