The graphs are post-processed from parameters of NOAA/NCEP High-Resolution Rapid Refresh (HRRR) data issued on the September 21, 00Z 2018 US National Weather Service numerical weather prediction (NWP) models (NOAA/NCEP).
For latest updates and more info regarding HRRR dataset please also visit NOAA website: http://nomads.ncep.noaa.gov/txt_descriptions/HRRR_doc.shtml
Fhr: 002 – 018
Level: Surface (2m-10m)
Air temperature 2m
Relative humidity 2m
Wind speeds and directions with precipitation rates in the background