HKO Computer Model Forecast Weather Map
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Actual
Forecast:
12-hr
>24-hr <
36-hr
48-hr
60-hr
72-hr
Animation
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850hPa (Approx. Altitude:1500m) - Wind Speed & Wind Direction
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calm
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easterly wind of 18 km/h (one barb represents wind speed of 18 km per hour and a half-barb represents 9 km per hour)
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westerly wind of 90 km/h (a pennant, or triangular flag, represents wind speed of 90 km per hour)
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strong winds (41-62 km/h) and above are plotted in red
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Terrain protrusion is shaded in grey in the chart.
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These prognostic charts start updating at 4 a.m. and 4 p.m. everyday.
The computer model forecast weather maps are generated by the Observatory's
computer model directly without manual adjustment and the forecast
weather conditions described in the products may be different from
that in the weather forecasts issued by the Observatory. For a full
assessment of the weather situation, the public should refer to the
official forecasts issued by the Observatory and/or the respective
local meteorological authorities.
Please refer to the following official forecasts/bulletins by relevant
meteorological authorities -
Hong Kong:
http://www.weather.gov.hk/contente.htm
For other places:
http://worldweather.wmo.int
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