Snowbarry

Snowbarry is a het ship between Barry Allen and Caitlin Snow in the The Flash series.

Arrowverse
Barry Allen was struck by lightning after the Particle accelerator explosion, turning him into a metahuman, also turning him into the infamous hero "The Flash". After his situation became critical and Barry was put under a coma, he was moved to S.T.A.R. Labs where he was under the care of Caitlin Snow, Cisco Ramon and Harrison Wells. However, Caitlin and Barry did not properly meet until Barr has awaken from his coma. Cisco called Dr. Wells down to lab as quickly as possible, and explained to Barry what had happened.

Fanon
Snowbarry is a popular ship in the fandom. Along with Westallen and Barricity, Snowbarry is one of the most popular involving Barry Allen. Since the trailers of the snow were released, Snowbarry has gained an increasing fan appreciation. Snowbarry fans also started referring to Caitlin Snow's actress, Danielle Panabaker, the Captain of Snowbarry due to her positive comments about the relationship and how she interested in the chemistry between the two.

It is also common for the fans of this pairing to rival Westallen's fans or be compared to Olicity from Arrow.

Trivia

 * A snowbarry appreciation week was held between the 12th and the 27th of February 2015.