August 2010 Rain or Showers?
Is it rain or showers? (Hint: the answer lies in the buoyancy). Former MetService Ambassador, Bob McDavitt, discusses cloud identification, thunderstorms, and rain in the ranges.
August 2009 How to Read a Weather Map
'When Highs gets over 1030: it’s going to get dirty.’ Bob McDavitt discusses wind and explains the five rules for deciphering a weather map.
March 2004 The Föhn Effect and ‘God’s Own Wet Zone’
Where in New Zealand lies 'God's Own Wet Zone?' Former MetService Ambassador, Bob McDavitt, explains in layman terms how to understand orographic precipitation, freezing level, and the best recipe for snow.
November 2009 10 Reasons to Hate a High (Anticyclone)
What are anticyclones? Former MetService Ambassador, Bob McDavitt, notes their more undesirable attributes and the ten reasons why he hates a 'High.'
November 2004 Wind speed and direction in the mountains
How strong does the wind have to be to knock over a tree ... or even a person? MetService Weather Ambassador Bob McDavitt provides a guide to measuring wind speed both in the mountains and on land.
June 2011 Tropical Cyclone Season
How do storms get their names and who chooses them? Former MetService Ambassador, Bob McDavitt, explains the history behind naming storms, how they are categorised, and his insight into the 2011 tropical cyclone season that caused widespread damage.
March 2012 Cloud Reading using Isobars
Former MetService Ambassador, Bob McDavitt, shares his expertise in the art and science of reading weather maps and clouds.
