1. Lecture 1 Geraint Vaughan

2. Radiosondes Vaisala RS80 Vaisala RS92 Launching a radiosonde European radiosonde stations (launch 00 and 12 UTC) Data available from: http://weather.uwyo.edu/upperair/sounding.html

3. Examples of radiosonde profiles: temperature vs height T T T T I I stratosphere troposphere T : tropopause; I: inversion (top of boundary layer in this case)

4. Examples of radiosonde profiles: potential temperature vs height Note: θ always increases with height – we can use θ as a vertical coordinate in the stratosphere