Airborn #221 February 2022

Page 14

Understanding RASP RASP Archives

R

Part 7 By Sven Ericksen

The NZHGPA funds 50% of the costs of the NZ RASP website: http://rasp.nz. This is a regular series explaining how to interpret and use the different forecasts that are available.

eading the last issue of Airborn you scan through the list of cross country milestone flights, and you note that there are clusters of record breaking flights within a couple of days of each other.

Thermal Updraft Velocity forecast for 18 November 2021 at 3pm, showing thermals of up to 4m/s.

You wonder to yourself what were the weather conditions at that time that enabled these great flights. Fortunately for you there is an archive of past forecasts on the RASP website (www.rasp.nz), so you can see what the conditions were and then try and figure out how to be there when those conditions are repeated. Instead of yet more paragliding track-logs, below is an incredible hang gliding flight by John Smith on 18 November 2021 flights from Magic Mountain in Te Manahuna (Mackenzie Basin). Flight detail John Smith · 18.11.2021 · 174.12 km triangle

You can find the archive link beneath the three most recent forecasted days on each of the four regional pages. Previous articles in this series: https://tinyurl.com/RASPindex

Safety Checks (continued from page 25)

14 A i r b o r n


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