At 308 pm edt, severe thunderstorms were located along a line extending from guana river state park to near switzerland, moving south at 10 mph (radar indicated). Hazards include golf ball size hail and 70 mph wind gusts. People and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. expect considerable tree damage. wind damage is also likely to mobile homes, roofs, and outbuildings. locations impacted include, saint augustine, green cove springs, world golf village, saint augustine beach, south ponte vedra, vilano beach, picolata, guana river state park, saint augustine south and anastasia. thunderstorm damage threat, considerable hail threat, observed max hail size, 1. 75 in wind threat, radar indicated max wind gust, 70 mph.