*** 25 August 2014: Based on user feedback Precipitable Water has been added to the webpage. Additionally, we have changed the Lower Tropospheric Relative Humidity from using hatching to using a transparent colorfill. ***

*** 01 July 2014: An overview can be found here. An overview presentation is also available as both a Power Point and PDF. ***

Prototype Dry Thunderstorm Guidance Page

This webpage is under development.

Current GFS Forecast Cycle:

Forecast Valid:
(Forecast Hour: 000)
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Parameter Overlays

  • NWS Forecasts

  • Climatologies

  • Geopolitical Borders