It was a really nice day outside with zero wind and about minus twenty six degrees but 100% cloud cover. At four o’clock I went and did the weather balloon flight with Luc our senior MET officer. He ran through the procedure with me and then he let me release the hydrogen balloon carrying the radiosonde. We watched the balloon float up to a couple of thousand meters and then we went inside and followed the flight watching all the data being displayed on a computer. It was very interesting watching the temperature drop down below minus seventy and the high upper atmosphere winds. The balloon finally burst at an altitude of 25,600 meters and all this information is sent to the BoM to aid in their weather forecasting. Today was Geoff’s 66th birthday so after dinner we celebrated his birthday with a cake and a bottle of Vodka.
Radiosonde with GPS and UHF transmitter
Luc our senior MET officer
Happy 66th birthday Geoff