NOAA's powerful Global Forecast System model was upgraded today, providing forecasters with a more accurate 4-D picture of how a weather system will evolve. The upgrade is the latest of a number of model improvements rolling out this spring and summer, thanks to increased supercomputing power NOAA acquired earlier this year. More information on the May 11, 2016 GFS upgrade here: http://www.noaa.gov/noaa’s-premier-forecast-model-goes-four-dimensional Video Credit: NOAA | U.S. National Weather Ser

NOAA'S RAP and HRRR models are now upgraded, providing improved severe weather & aviation forecasts. Learn more: weather.gov/news/200210-rapid-model | U.S. National Weather Service (NWS)

Weather and water are still warm in many coastal areas such as the Mid-Atlantic. However, many beaches do not have lifeguards on duty this time of year. If your plans include the beach this weekend, "think like a lifeguard." More at weather.gov/safety/ripcurrent | U.S. National Weather Service (NWS)