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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 situations ...
The Black rainstorm signal lasted over 16 hours, the longest duration ever since the rainstorm warning system was implemented in 1992. The HKO headquarters accumulated over 632 millimetres (24.9 in) of rainfall within 24 hours, a 24-hour rainfall rate trailing only the record set in May 1889.
In US maritime warning flag systems, a red square flag with a black square taking up the middle ninth of the flag is used to indicate a storm warning (the use of two such flags denotes a hurricane force wind warning or a hurricane warning). The same flag as a storm warning is used to indicate a tropical storm warning.
An Amber rainstorm signal was issued at 05:15, and it escalated to Red at 05:55. 112mm, 101mm, and 86mm of rain were recorded at the Eastern, Southern, and Sai Kung Districts respectively. The Hong Kong Observatory eventually issued a Black rainstorm signal at 06:40 and it was sustained for 4 hours and 20 minutes.
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.
It was the first time the warning was issued in two years. [16] It caused three fatalities. The torrential rainfall continued overnight and into the morning of 8 September, gradually subsiding by afternoon. The Black Rainstorm signal lasted over 16 hours, the longest duration ever since the rainstorm warning system was implemented in 1992.
The extreme conditions caught many residents by surprise and came just days after Hong Kong was lashed by its strongest typhoon in five years.
Black rainstorm signal, the third level of Hong Kong rainstorm warning signals; Schwarzer Regen (lit. Black Rain), a fictional exoskeleton in the Japanese light novel series Infinite Stratos; Black Reign (disambiguation) Dark Rain, The Outer Limits (1995 TV series) episode