An animal shelter in Krakow was left without words after a weekend of action saw lines out of the door of people who came in to temporarily adopt a dog in the face of an onrushing cold front.

Dubbed "Operation Frost," the KTOZ Schronisko, or animal shelter, asked on Friday the 5th if anyone interested in adopting a dog could come in immediately as the weather over the first weekend of January was predicted to fall to -5°F.

"Due to the fact that some of our animals live in kennels, we urgently need to make room for them in a closed pavilion," the shelter wrote on Facebook, according to a proprietary translation from Polish.

The shelter was also asking folks to consider opening their homes for merely a few days of foster care, but what they got instead was a late-Christmas miracle.

This is what it looked like Saturday morning.

And it kept on going through Sunday.

"This was an emotional but very challenging day for our staff and volunteers," after closing on Sunday. "The amount of people that visited our shelter seemed endless and it is absolutely beautiful."

By that time the shelter had seen over 100 canines find temporary or permanent homes.

"I saw an ad for winter action on my boss's story and I've been talking to my mum about owning a dog for a long time," wrote Ms. Pani Ola on Facebook alongside pictures of her new dog Hugo. "This freezing cold gave me such a kick to act that while sitting at work I thought, ‘if not now then never.'"

In a separate post announcing the conclusion of Operation Frost, the shelter thanked everyone for their "kind and open hearts."

"All dogs from outdoor boxes were moved to indoor rooms thanks to your adoptions. We are very grateful and extremely blessed," they wrote. "Thank you to everyone, without exception, for every adoption, for your kind and open hearts."

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