This application allows you to browse real-time composite reflectivity data from the NOAA High-Resolution Rapid Refresh (HRRR) weather model.

How to Use

• Select a date using the date picker
• Use the hour slider to view data from different times (in UTC)
• The map displays composite reflectivity, which is useful for tracking precipitation and storm intensity

About the Data

The HRRR is a real-time 3km resolution, hourly updated atmospheric model operated by NOAA. This browser displays the "FH0" data, which represents the analysis time (not a forecast).

Reflectivity values are shown with colors ranging from light blue (weak returns) to purple (extreme precipitation).

Data is sourced from NOAA's public S3 bucket and rendered using TiTiler.