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The red and black signals were the second stage of the warning system based on actual rainfall levels recorded, and were issued to the public. Amber: More than 50 mm of rain is expected in the Hong Kong region within six hours. Red: Rainstorm has started and more than 50 mm of rain has been recorded over a wide area within the last hour or less ...
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 ...
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.
Multiple roads were also closed off due to the threat of landslides in the mountainous territory, with authorities issuing the highest “black” rainstorm warning for the first time in two years.
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.
Hazardous seas warning; Hazardous seas watch; Hazardous weather outlook; Heat advisory; Heavy freezing spray warning; Heavy freezing spray watch; Heavy snow warning; History of Atlantic hurricane warnings; Hong Kong rainstorm warning signals; Hong Kong tropical cyclone warning signals; HURCON; Hurricane force wind warning; Hurricane local statement
Even as a tropical rainstorm, Sara can still produce a storm surge near and south of landfall in the Florida Peninsula. While this may be relatively minor when compared to Helene, Milton and Debby ...
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