Photo Story: Calendar winners offer window on world weather

The sun rise seen from 5000 meters behind Iztaccihualt mountain in  Mexico.
WMO/Miguel Angel Trejo Rangel
The sun rise seen from 5000 meters behind Iztaccihualt mountain in Mexico.
 The northern lights or aurora borealis in Kilpisjarvi, Finland.
WMO/Lionel Peyraud
A rainbow over lake Barmsee in Mittenwald, Germany.
WMO/Maximilian Ziegler
Sunset in the Nyungwe National Park in Rwanda.
WMO/Cyril Ndegeya
 A summer evening in Smolensk, Dorogobuzh, Russian Federation.
WMO/Alexey Sergovantsev
Ipanema Beach, Rio de Janeiro, Brazil.
WMO/Bruno Ipiranga
Sunrise and a rain cloud come together in Laamu Atoll, Maldives.
WMO/Ahmed Shuau
Boya Lake Provincial Park in British Colombia, Canada at midnight.
WMO/Jason Salisbury
A shelf cloud, attached to the base of the parent cloud approaches the coast of the Island of Pag in Croatia.
WMO/Danijel Palčić
Sunrise at Kimso Mountain, Republic of Korea.
WMO/Kweonyeol Oh
Stone tower with solar halo at sunrise at Kimso Mountain, Republic of Korea.
WMO/Gyuho Shin
The sun sets behind the a bridge at Sai Tso Wan in Hong Kong.
WMO/Eddy Chan
A tornado travels across the sea close to Lubenice, Croatia.
WMO/Ana Ricov