Advarsler, Tenterden Downs

Heavy Rain Warning - Orange Area: Canterbury from Geraldine to Lake Sumner, and west of Ashburton and Christchurch Forecast: Expect a further 100 to 140 mm of rain, especially about the foothills and high country region. A further 50 to 80 mm possible over the plains during the same period. Note this rain is expected to be falling as snow above 600 metres. Impact: Streams and rivers may rise rapidly. Surface flooding, slips, and difficult driving conditions possible. Chance of upgrading to a Red Warning: Moderate. Changes: Event extended a few hours. Impact: Action: Clear your drains and gutters to prepare for heavy rain. Avoid low-lying areas and drive cautiously.