At the time of the crash there was low cloud, poor visibility and patches of freezing fog.
Mr Rose urged walkers to learn how to navigate in poor visibility with a map and compass.
Britain's Chemmy Alcott also went out after missing a gate early in the run, in poor visibility in Whistler.
The Met Office has warned that further snow is likely, leading to difficult road surfaces and also poor visibility.
The poor visibility affected flights, disrupting travel home ahead of the celebrations, the biggest family reunion of the year.
The inquest heard the aircraft took off at 19:00 GMT on 8 March 2011 in poor visibility and low cloud.
Early on Sunday morning around Beijing, major highways were closed temporarily and over 177 flights were cancelled due to poor visibility.
"Because of the poor visibility and high winds we ran a very real risk of going over the edge, " he said.
Interstate 95 in Volusia County reopened after it was closed in both directions because of the fire and poor visibility, authorities said.
Widespread ice on untreated roads and "very poor visibility" during heavy snow showers would make driving conditions dangerous, the Met Office warned.
The roads were icy and slippery, but poor visibility cannot have helped.
However, the Highways Agency is warning road users of the risk of poor visibility in the area while the fire is still burning.
The story here is that Zynga management had and maybe still has such poor visibility, not that they duped investors with reckless disregard.
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Planes can end up at wrong spots on the tarmac, sometimes even causing confused pilots at the controls to blunder into the path of speeding aircraft in poor visibility.
The chub were well adapted to the poor visibility created by the thick, red water which gave the river its name, and depended on it to hide from predators.
Chris Yates, an aviation security expert, told CNN it was likely there would be questions about whether the helicopter that crashed should have been flying, given the poor visibility Wednesday morning.
The aircraft lands tail wheel first, and the cockpit has poor forward visibility.
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Referee Kenny Clark called off the St Johnstone versus Hibernian game at McDiarmid Park after a heavy fall of snow which made visibility poor and the pitch virtually unplayable.
Access was limited and visibility was poor, but once you had been there you never forgot it.
Deutsche Bank analyst Chris Whitmore noted that enterprise visibility is poor at best, with IT budgets being managed closely.
Of course management should attend analyst and shareholder meetings to explain the strategy but the need to give a guidance that would be met 3 months hence in an environment where visibility was poor could be dispensed with.
While 60 million households is respectable distribution for a second-tier cable network, Current has long suffered from poor channel placement, low visibility and a diffuse brand identity.
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Underwater visibility in the Foyle is very poor at the best of times making identification difficult.
Pixadores live in poor suburbs but their preferred target is seedy, downtown Sao Paulo, where visibility is guaranteed.
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