It’s that time of year in the West. Winter enthusiasts have started waxing their skis and crossing their fingers for a plentiful snowpack — something that’s been in short supply of late. Of course, it’s not just recreation at stake, as a sweeping drought still has a hold over a region that needs a lot more water to replenish depleted reservoirs and ecosystems.

While tourists watch the weekend weather reports, scientists also have their eye on winter conditions further ahead.

I own about 450 flies spread out over a dozen boxes or so. Dries, nymphs, streamers; crazy stuff I bought internationally—probably not going to use that 4” dragonfly from Argentina on a Catskills’ creek—but all have a reason and purpose.

Here’s the thing about my flies … I didn’t tie a single one.