Weather What is humidity and how is it measured? 14 August 2013 Damp or dry? Measuring humidity Weather Ball Lightning 01 August 2013 What is this strange phenomenon? Weather The Red Willow Supercell 28 July 2011 In the early morning hours of June 20, 2011, photographer Stephen Locke documented this incredibly prolific, lightning-producing supercell thunderstorm at Red Willow Lake, Nebraska, USA. Weather Where did the Galileo thermometer get its name? 12 October 2010 A Galileo thermometer is a sealed glass tube containing a clear liquid, floating in which are five glass balls, each containing a different coloured solution.
Weather The Red Willow Supercell 28 July 2011 In the early morning hours of June 20, 2011, photographer Stephen Locke documented this incredibly prolific, lightning-producing supercell thunderstorm at Red Willow Lake, Nebraska, USA.
Weather Where did the Galileo thermometer get its name? 12 October 2010 A Galileo thermometer is a sealed glass tube containing a clear liquid, floating in which are five glass balls, each containing a different coloured solution.