This issue includes:

• Editor’s Introduction
• From the President
• Member Profile – Arran Corbett
• Automating Rising Bubble Streamflow Measurement with Artificial Intelligence. Jeremy Bulleid
• New Flood Warning Infrastructure Framework and Standard Endorsed by ANZEMC. Carla Mooney and  Richard Hammond,
• Department of Water and Environmental Regulation of Western Australia, 2019: Hydrographic Technical Forum. Luke Donovan
• Call that an extreme event? Describing the extremeness of an event before, during and after it has occurred. Janice Green and Catherine Jolly