When the polar vortex is strong, there is a single vortex with a jet stream that is well constrained near the polar front. When the northern vortex weakens, it separates into two or more vortices, the strongest of which are near Baffin Island, Canada and the other over northeast Siberia.
Home > Find an organization > Soi Dog Foundation USA (#9791) Soi Dog Foundation is a not-for-profit, legally registered charitable organization in Thailand, the United States, Australia, France and Holland. Soi Dog helps the homeless, neglected and abused dogs and cats of Thailand.
Canis lupus) ancestor, can take on such a dramatic variety of forms. But among dogs, which are well known for their hybrid (or mongrel) varieties, different breeds can mate and have viable offspring, so they are all found under the umbrella of a single species, Canis familiaris.anis lupus) ancestor, can take on such a dramatic variety of forms. But among dogs, which are well known for their hybrid (or mongrel) varieties, different breeds can mate and have viable offspring, so they are all found under the umbrella of a single species, Canis familiaris.