Weather can effect how dogs are trailing. Here are some important factors to consider.
Here is a good link to read some more information https://www.familydisasterdogs.com/2012/09/temperature-and-scent.html
We have two commands - one to ask the dog to take scent and one to get to work.
It´s not as obvious as you might think...
Be what it says on the tin!
Progress is not measured on the length or age of a trail, but the strength of your foundation. - Kevin Kocher