24 Hour GFS Forecast over Central Asia Issued: See Image Titles for Initial and Valid Times The 24 hour forecast by the GFS model issued by the National Centers for Environmental Prediction is presented in six panels. 500mb Geopotential Height, 12hr Height Change, & Vorticity Sea Level Pressure & 1000-500mb Thickness 700mb Vertical Velocity & Precipitation 850mb Temperature, Humidity & Wind 200mb Streamlines & Isotachs Convective Available Potential Energy & Precipitable Water