Issuing commands in an open, noisy environment.

[Anthony8858]

I'd like to paint a scenario:

Let's assume I'm in a dog park. Having Kira off lease is permissable, and she's having a blast.
She's playing with another dog, when she finds herself drifting further and further out away from me.
The area is an open, windy space, and very hard to hear anything from a distance.

I want to recall Kira, but I'm unable to scream, or she's too far to see hand signals.
She's having a blast, and couldn't care less about looking for hand signals.

I was thinking about associating a dog whistle or some form of loud whistle to get her attention.

What is the preferred method of choice to get your dog's attention, when hearing you is not that easy?

[Stosh]

I whistle or clap my hands.

[southernfiction]

I don't use a dog park, but I'm training my puppy to come to both my voice and my whistle. She's a good child at this moment and loves running to me wide open. I think I'll train her to a plastic whistle, too. Anything so I don't have a disaster.

[Cassidy's Mom]

Training a recall to a whistle is a great idea, and many people do that.

We go to off leash parks regularly and my dogs rarely get far enough away that they wouldn't hear me call them. Our usual park is windy too, it's right on the SF Bay. Generally when they can't "hear" me is when there's water around and they want to go swimming NOW, rather than wait for their slow humans to catch up.

Other than that, they're playing with us and each other (those other dogs there, they don't throw the ball very well, lol!), so they stay pretty engaged with us. If you have toys with her, keep her engaged, practice short recalls on a long line with high value rewards, do collar grabs for a treat and then release to go play (you can do this in your yard, a much lower distraction area), teach her a "wait" command where she waits for you to catch up and release her to continue on, or she waits while you continue ahead and then call her to you (I do this around the house a lot too), all of that can help keep her close to you.