A look at 3 model forecasts for winds aloft (850mb,6000ish feet up) with Erin. For latest official forecast and tons of info check out the official hurricane center site or their FB page NOAA NWS National Hurricane Center. . Posted 4:30pm 8/16 | Jim Duncan

ANIMATED UPPER AIR WINDS with the strongest pockets of winds aloft in the areas shaded in yellow, orange and red. The pocket of powerful upper winds shown moving off the Pacific and strengthening as it moves into the Midwest between now and Saturday will play a critical role in the track of the incoming WINTER STORM and its intensity. Air is lifted on beneath the front left quadrant of the speed maxima show here on the animated computer upper air forecast. | Tom Skilling