The forecast from NOAA’s Climate Prediction Center predicts 7 to 10 hurricanes, up from the pre-season forecast of six to 10. The agency predicts a total of 15 to 21 named storms, which means those with winds speeds of at least 39 mph, up from its earlier prediction of 13 to 20. The number of expected major hurricanes, which means those with winds of at least 111 mph, held steady at three to five.