Start Here
Read your first model map in five minutes.
Glossary
152 weather terms in plain language.
Model Parameters
56 maps explained: what they show and how to read them.
Weather Models
26 models compared: GFS, ECMWF, HRRR, and more.
Guides & tutorials
Step-by-step walkthroughs for the tools you use most.
Multi-Panel Tutorial
Compare runs, models, and parameters side by side, with video demos.
TutorialHow to Read a Sounding
Tap each part of an interactive Skew-T and hodograph to learn what it means for storms.
GuideViewer Quick Reference
Every button in the desktop and mobile map viewer, with screenshots.
GuideMap Animations
Loops, model trends, side-by-side comparisons, and GIF export.
GuideSnow Maps & Winter Precipitation
Snowfall methods, snow ratios, snow depth, and freezing rain.
FAQPlus FAQ
Answers to common questions about the Plus plan.
Learning paths
Beginner
Learn the viewer and how to read a model map.
Weather Enthusiast
Compare models and use animations to spot trends.
Storm Chaser / Severe
Read the ingredients for severe storms.
Winter Weather
Snow ratios, precipitation type, and ice.
All lessons
Viewer Quick Reference
Find your way around the model viewer on desktop and mobile.
Map Animations
Loops, model trends, comparisons, and GIFs.
Multi-Panel
Compare runs, models, and parameters side by side, with video demos.
Snow Maps & Winter Precipitation
Snowfall methods, snow ratios, snow depth, and freezing rain.
Reading Your First Model Map
Run times, forecast hours, and color scales in five minutes.
Deterministic vs. Ensemble Models
Why one model run isn't the whole story.
Severe Weather Ingredients
Moisture, instability, lift, and shear — reading them on model maps.
Reading a Skew-T Sounding
The most powerful chart in weather, step by step.