Parameter Selection
Composite Reflectivity
MSL Pressure & Wind
Shear Parameters
Thermo Parameters
Proxy Indicators
Max Surface Wind
SCP / STP
Updraft Helicity
Winter
Temp/Dwpt
Lightning Ptnl

Product Overlays
Day1 Outlook
Day1 Fire
Watches & Warnings

Map Overlays
Counties
Cnty Warning Areas
Highways & Cities
ARTCC Regions

Image Underlays
None
Topography
Population
Latest Radar
Latest Sfc Obs

Parameter Description

This site only depicts a subset of operational HRRR hourly output grids that are useful for the prediction of severe thunderstorms and winter weather. For general information regarding the HRRR, refer to The High-Resolution Rapid Refresh (HRRR) Information Page. For a more thorough source of operational HRRR output, please go to: The NCEP Model Analysis and Guidance Page. For HRRR online training, go to the NWS SOO Science and Training Resource Center.

PAGE INSTRUCTIONS

You can browse forecast hours and model runs by using the keyboard "arrow" keys. Left and right will change forecast hour, while up and down will change model run times.

This webpage is NOT supported 24x7. Please use with caution.

For further questions, or to report bugs, please contact John Hart.