Winter storm grounds birds along the shores of Iliamna Lake.

A heatwave in Unalakleet, Alaska.

Unusual weather event; thunderstorm and fluctuating temperatures

Nome was hit by unseasonably warm temperatures and strong winds.

Very warm conditions for this time of year in Southcentral Alaska

At lower elevations, there has been melting, hurricane force winds and rain, which have stripped away the snow and left the trails bare, wet, and icy.

High rate of change in weather conditions

Environment Canada has confirmed what residents in Nunavut's capital know all too well - it has been a cold, dreary start to summer on southern Baffin Island.

Wind from the sea and pre-monsoon rains cooled southern Pakistan on Wednesday, likely marking the end of a scorching heat wave that killed at least 838 people, authorities said.

There were lightning strike-caused fires at Paul's Creek and Coffee Creek north of King Salmon, AK.

Warm water threatens marine habitats off the coast of BC

4/20.15 Late snow - King Cove, Alaska, USA

4/20/14 Thunder and lightening - King Cove, Alaska, USA

Last year, 2014, was the hottest year ever recorded on Earth. Unlike other worldwide problems from which Canadians might feel relatively safe and isolated, but Canada is actually ground zero of global climate.

Nome experienced 2 lightning strikes and thunder Monday morning during a snow squall.A

DOT spokesperson Shannon McCarthy said the weather this week -- alternately freezing and thawing -- was likely the culprit.

1-9-15 Record high temperatures - Bethel, Alaska, USA