One of the questions I get the most is how I take daytime long exposure photos. I made a video so you can see exactly what I do, how I look at the clouds and light. Here is a another blog post I made covering this exact topic along with lots of sample photos.
10 Stop ND Filter I use: http://amzn.to/2pa0TL2
https://youtu.be/tft61h48J48
