UPDATED STORM FORECAST: NOAA forecasters have upgraded their geomagnetic storm watch from category G2 (moderate) to category G3 (strong) in response to models suggesting multiple CME impacts on Aug. 18-19. During such storms naked-eye auroras can descend into the USA as far south as Illinois and Oregon (geomagnetic latitude 50 degrees). Although the storm could become "strong", power grids and satellites are in no danger. Extreme storms are required for that.
Are the last two sentences consistent with what they usually say in these instances?