Balloon Planner

Scrub the next 48 hours. Weather + winds by altitude for ballooning.

Selected hour
Tip: autoplay to "watch" the vertical wind stack evolve. Times are Europe/London.

Weather summary

Temp / RH (2 m)
QNH (MSL)
Visibility
Cloud base (est.)
Thermals potential
Wind @10m / Gusts

Map — drift arrow

Altitude (AGL)
Selected altitude
0 m
Wind at selected altitude

Wind by altitude (AGL)

Arrows point to wind direction; length ∝ speed
Mean speed (surface→aloft)
Max shear (ΔV / Δz)
Dir veer/back (10m→850hPa)