The mercury dips to 19 degrees Celsius today as a northeast monsoon brings cooler weather after a week of virtual nonstop rain that was almost as bad as a Covid-mandated shutdown. But conditions will improve further with a dry continental airstream making itself felt later this week. There will be sunny periods and little chance of rain, though showers and isolated thunderstorms could return on Thursday. The system currently in use takes about six minute for each scan, but other radar systems can complete the task in about one minute. Cheng also believes refined radar systems could see Hong Kong issuing rainstorm warnings more frequently in future when the SAR is under the influence of extreme weather.

Source: The Standard May 16, 2022 01:51 UTC