 The National Weather Service in Mount Holly, New Jersey has issued a severe thunderstorm warning for southern Berks County in eastern Pennsylvania, northwestern Montgomery County in southeastern Pennsylvania, north central Chester County in southeastern Pennsylvania, until 5.45 p.m. At 4.54 p.m., a severe thunderstorm was located near Denver, or near Ephrata, moving east at 30 miles per hour. Hazard, 60 miles per hour in gusts and quarter-size hail.