Advarsler, Saint Helens

Heavy Rain Warning - Orange Area: Marlborough south of Blenheim and Canterbury about and north of Lake Sumner, excluding the area under a Red Heavy Rain Warning Forecast: On top of what has fallen, expect 40 to 70 mm of rain. Freezing level about 1600 metres and snow likely above 1200 metres. Impact: Streams and rivers may rise rapidly. Surface flooding, slips, and difficult driving conditions possible. Chance of upgrading to a Red Warning: Low. Changes: The chance of upgrade for this Orange Warning has been decreased to Low. Impact: Action: Clear your drains and gutters to prepare for heavy rain. Avoid low-lying areas and drive cautiously.