Realtime Data

Ground-based GPS Integrated Precipitable Water
 

Atmospheric water vapor using ground-based Global Positioning System (GPS) receivers

NOAA Profiler Network Real-Time Data Display
 

Vertical profiles of horizontal wind speed and direction

Surface Observations

Data from METAR sites and various mesonets throughout North America and Hawaii (Java applet)

Surface Observation Quality Control Messages

 

Hourly, daily, weekly, and monthly text messages for various surface observing networks

Real-Time Verification System (RTVS)
 

Real-time assessment of the quality of both human- and model-generated forecasts of icing, turbulence, ceiling and visibility, convection, and precipitation