the difference in how that storm is moving. fourth of july firework celebrations are being postponed in some cities from ocean city, maryland, to boston. the biggest concern obviously is the force of this storm. alina machado joins us from wrightsville beach where that storm is picking up steam. indra peterson is in kill devil hills. i've been watching alina's outfit change through the course of the morning. indra remind us what the latest advisory is telling us. it's changing in status. >> this is the concern because each advisory we get continues to intensify the system more than we thought previously. meaning even the forecast continues to come in as a stronger forecast. the latest forecast brings us at 90-mile-per-hour steady biwinds but more importantly arthur should strengthen to a category 2 hurricane with winds as high as 100 miles per hour when it