Tap any part of the chart, or pick from the list.
Hodograph (0–6 km)
1. Moisture
Are the red and green lines close near the ground? That's the storm fuel.
2. Instability
Is there a big orange CAPE area? Bigger means stronger updrafts.
3. Cap & shear
Can storms break the cap — and does the hodograph show enough turning to organize them?
This example is an idealized spring severe-weather sounding, simplified for teaching.