Each time it rains, I'm getting a horrible odor from my kitchen sink drain.. It's the only place it happens though.. Can anyone tell me how to get rid of the odor and what's causing it? Thanks

Each time it rains, I'm getting a horrible odor from my kitchen sink drain.. It's the only place it happens though.. Can anyone tell me how to get rid of the odor and what's causing it?? Thanks
The first thing I would do mis snake the kitchen roof vent. If the problem still persists then I would install a Odor Dog,(see image) on the vent. Let me know if the odor still persists. Regard Tom