Drivers are being warned of slippery roads as much of the North Island is due for rain after more than a fortnight of
dry weather.
Photo: RNZ
Summer Ice Alert dust, dirt, oil etc. build up on the road surface. When it rains, the road becomes greasy.
18 dry days an approaching front = slippery roads
For Waikato through to AKL and Northland, summer ice is set to coincide with Monday morning rush hour. pic.twitter.com/TSKNNiA9w7— NIWA Weather (@NiwaWeather) January 13, 2019
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Rain and possible thunderstorms are moving up from the south, bringing a wet start to the week for most around the North Island.
A wet start with a rain laden frontal system moving over the North Island. Many of you would have had a wet commute to
work this morning. The hot muggy nights have made way for bands of rain followed by cool south to southwest winds. More
on https://t.co/Yjbq0jxdqz. ^MB pic.twitter.com/RnfX7ViWIQ— MetService (@MetService) January 13, 2019
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Police are urging motorists to slow down on roads in the Waikato through to Auckland and Northland, where there could be
conditions described as 'summer ice'.
This is when dust, oil and other materials build up in dry spells on the road surface, making it greasy when it rains -
with the greatest risk shortly after the rain starts.
Even a little rain after several days of dry weather can trigger these conditions, NZTA says.
NZTA advice in 'summer ice' conditions:
• Keep speeds down on wet roads after a long dry period
• Take extra care on curves
• Increase following distance from vehicles in front of you
• Brake and steer gently
• Allow extra travel time