Key Takeaways
- Heavy rain is expected to hit the top of the South Island, with up to 110 millimetres of rain forecasted
- An orange heavy rain warning is in place for Marlborough Sounds, Richmond Range, and the Rai Valley from 7pm on Wednesday until Thursday afternoon
- Heavy rain watches have been issued for parts of Nelson, Tasman, Buller, Wellington, the Kaikoura Coast, and Marlborough south of the Richmond Range
- A severe thunderstorm watch is in place for Taranaki from 2am until 11pm on Thursday, with a risk of intense, localised rainfall and surface or flash flooding
Introduction to the Weather Forecast
The top of the South Island is bracing for heavy rain as a low-pressure system moves in this evening. According to MetService, up to 110 millimetres of rain is expected to fall in the affected areas, prompting an orange heavy rain warning for Marlborough Sounds, Richmond Range, and the Rai Valley. The warning is in place from 7pm on Wednesday until Thursday afternoon, and residents are advised to take necessary precautions to prepare for the heavy rain. This includes clearing drains and gutters, and avoiding low-lying areas that may be prone to flooding.
Heavy Rain Warnings and Watches
In addition to the orange heavy rain warning, MetService has also issued heavy rain watches for parts of Nelson, Tasman, Buller, Wellington, the Kaikoura Coast, and Marlborough south of the Richmond Range. There is a moderate chance that these watches may be upgraded to warnings, depending on the trajectory of the low-pressure system. The heavy rain watches are in place due to the expected widespread rain on Thursday, which may lead to flash flooding and other hazards. Residents in these areas are advised to stay informed and be prepared for any eventuality.
Severe Thunderstorm Watch for Taranaki
Taranaki is also under a severe thunderstorm watch from 2am until 11pm on Thursday, due to a moist unstable northwesterly flow. This watch is in place due to the potential for intense, localised rainfall of 25 to 40 millimetres an hour, which may lead to surface or flash flooding. The severe thunderstorm watch is a reminder that the weather can be unpredictable and hazardous, and residents are advised to take necessary precautions to stay safe. This includes staying indoors during the storm, avoiding travel, and keeping an eye on the latest weather updates.
Preparation and Safety
As the heavy rain and thunderstorms approach, it is essential for residents to take necessary precautions to ensure their safety. This includes clearing drains and gutters, securing outdoor furniture and objects that may become projectiles in strong winds, and avoiding low-lying areas that may be prone to flooding. Residents are also advised to stay informed about the latest weather updates and follow the instructions of local authorities. By taking these precautions, residents can minimize the risks associated with the heavy rain and thunderstorms, and stay safe until the weather improves.
Conclusion and Final Thoughts
In conclusion, the top of the South Island is expected to experience heavy rain and thunderstorms over the next 24 hours, with up to 110 millimetres of rain forecasted. Residents are advised to take necessary precautions to prepare for the heavy rain, including clearing drains and gutters, securing outdoor objects, and avoiding low-lying areas. The severe thunderstorm watch for Taranaki is a reminder that the weather can be unpredictable and hazardous, and residents are advised to stay informed and take necessary precautions to stay safe. By staying informed and taking necessary precautions, residents can minimize the risks associated with the heavy rain and thunderstorms, and stay safe until the weather improves.