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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 ...
Hong Kong Observatory (HKO) issued a flood warning for Northern New Territories at 7:50 pm. [7] Heavy rainfall then spread to the entire territory, forcing the HKO to issue the Amber rainstorm signal, and later the Red signal in less than half an hour. At 11:05 pm, the highest warning level, Black rainstorm signal, was issued due to worsening ...
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.
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.
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 ...
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
The National Severe Weather Warning Service (shortened to NSWWS) is a service provided by the Met Office in the United Kingdom. The purpose of this service is to warn the public and emergency responders of severe or hazardous weather which has the potential to cause danger to life or widespread disruption.
The system is tested the first Wednesday of every month at 11.45 in the north, 12.00 in the center, and at 12.15 in the south; for tests, the modulated signal is played only once. When the warning signal sounds, people are expected to remain at home or the building they are in and listen to further instructions on radio via France Info, France ...