[BUG] T/F Grid for vector selection

[natshoff]

Bug Description

When comparing vector selection between @nmschroeder R code and adapted Python code in FIRED, we see that python algorithm is including daily speed vectors that are not valid.

Expected Behavior

Valid vector selection - matching R code behavior.

Data Processing Details

• Date range: August 2020
• Spatial extent: Cameron Peaks Fire

Screenshots/Outputs

If applicable, add screenshots or example outputs to help explain your problem.