Beaufort’s Weather Codes
Sir Francis Beaufort’s personal weather notation and its evolution through the years.
WEATHER NOTATION CODE | 1806-1807 | 1807-1810 | 1810-1812 | 1820-1825 | 1826-1832 |
---|---|---|---|---|---|
b. | Blue sky | Blue sky | Blue sky | Blue sky | Blue sky, clear or turbid atmosphere |
c. | Clear i.e., definite, sharp horizon | Definite sharp horizon, distant objects clearly visible | Bright objects visible from afar | Clear, transparent atmosphere | Individual passing clouds |
ci. | Cirrus clouds | ||||
cl. | Cloudy | Cloudy | Cloudy | Cloudy | |
cu. | Cumulus clouds | ||||
d. | Dry, warm air | Mist (damp air) | Drizzle, fine rain | ||
da. | Damp air | Damp air | |||
dk. | Dark, close air | Dark, gloomy weather | Dark weather | Dark weather but atmosphere clear | |
dp. | Damp air | ||||
dr. | Drizzle | Drizzle | Drizzle | ||
f. | Fine weather | Fine weather | Fine weather | Foggy | Fog |
f: | Dense Fog | ||||
fg. | Foggy | Fog | Fog | ||
g. | Dark, gloomy weather | Dark, gloomy weather | Gloomy weather | Dark, gloomy weather | |
ge. | Gloomy weather | ||||
gr. | Greasy sky | Greasy sky | Greasy sky | ||
h. | Haze | Hazy weather | Haze | Haze | Hail |
hr. | Heavy rain | Heavy rain | Heavy rain | ||
hsh. | Heavy showers | Heavy showers | Heavy showers | ||
hsq. | Heavy squalls | Heavy squalls | Heavy squalls | ||
l. | Lightning | Lightning | Lightning | Lightning | |
m. | Mist | Mist in valley | Mist or hazy atmosphere | ||
o. | Overcast. Entire sky covered by thick clouds. | ||||
p. | Passing cloud | Passing cloud | Passing cloud | Passing cloud | Passing shower |
q. | Squally winds | ||||
r. | Rain | Rain | Rain | Rain | Rain, continuous |
s. | Sultry | Settled weather | Strong squalls | Snow | |
sd. | |||||
sh. | Showers | Weather with Showers | Weather with Showers | Showers | |
sy. | Steady breeze | ||||
sr. | Light rain | Light rain | Light rain | Light rain | Light rain |
sq. | Squally wind | Squally wind | Squally wind | ||
st. | Stratus clouds | ||||
t. | Thunder | Thunder | Thunder | Thunder | |
thr. | Threatening skies | Threatening skies | Threatening skies | ||
vr. | Violent rain | ||||
w. | Watery skies | Watery skies | Watery skies | Wet, dew |