sentences:  It was upgraded to Tropical Storm Beryl late on August 14 with surface winds of 50 mph (85 km/h), based on reconnaissance aircraft observation.Six hours later, the storm accelerated to near 9 mph (15 km/h), meaning that landfall would happen sooner than expected, preventing the time for Beryl to strengthen to a hurricane.However, Beryl failed to undergo significant intensification as was forecast, as it maintained an intensity of 50 mph (85 km/h).