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  2. Hong Kong rainstorm warning signals - Wikipedia

    en.wikipedia.org/wiki/Hong_Kong_rainstorm...

    Sign Definition and Precautions AMBER rainstorm signal This signal means: Heavy rain has fallen or is expected to fall generally over Hong Kong, exceeding 30 millimetres in an hour, and is likely to continue. [1] The AMBER signal (Chinese: 黃色暴雨警告) gives alert about potential heavy rain that may develop into RED or BLACK signal ...

  3. Weather warning - Wikipedia

    en.wikipedia.org/wiki/Weather_warning

    A weather warning generally refers to an alert issued by a meteorological agency to warn citizens of approaching dangerous weather.A weather watch, on the other hand, typically refers to an alert issued to indicate that conditions are favorable for the development of dangerous weather patterns, although the dangerous weather conditions themselves are not currently present.

  4. ISO 7010 - Wikipedia

    en.wikipedia.org/wiki/ISO_7010

    Shape and colour of sign types Sign type [1] Meaning Colour (per ISO 3864-4) [7] Shape [7] Example Prohibition sign: Must not do: Red: Circle with diagonal line: No open flame Mandatory sign: Must do: Blue: Circle: Use hearing protection Warning sign: Warn of hazard: Yellow: Equilateral triangle with rounded corners: Explosive materials Safe ...

  5. Yellow warnings for wind and rain as fallout lingers from ...

    www.aol.com/yellow-warnings-wind-rain-fallout...

    Yellow weather warnings for wind and rain will be in place throughout Wednesday. ... Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. Mail.

  6. Yellow rain - Wikipedia

    en.wikipedia.org/wiki/Yellow_rain

    Yellow rain was a 1981 political incident in which the United States Secretary of State Alexander Haig accused the Soviet Union of supplying T-2 mycotoxin to the ...

  7. Yellow weather warning in place for rain and snow - AOL

    www.aol.com/yellow-weather-warning-place-rain...

    A yellow weather warning for rain and snow has been issued for much of Scotland on Saturday. The warning is in place from 8am until midnight on Saturday with up to 25mm of rain forecast at lower ...

  8. Yellow weather warning for more heavy rain issued as UK ... - AOL

    www.aol.com/yellow-weather-warning-more-heavy...

    A respite from the heavy rain is forecast for Tuesday and Wednesday but on Thursday a yellow warning – indicating heavy rain could cause some disruption – has been issued for the whole day ...

  9. Severe weather terminology (United States) - Wikipedia

    en.wikipedia.org/wiki/Severe_weather_terminology...

    Sleet warning WSW (alt.: heavy sleet warning) – Heavy sleet accumulations of 1 to 2 inches (2.5 to 5.1 cm) or more, which may cause significant disruptions to travel or utilities, are imminent or expected to occur within 12 hours. Discontinued beginning with the 2008-2009 winter storm season and replaced by the winter storm warning for heavy ...