Severe Thunderstorm

This is the detail for a severe weather event that has occurred. The original alert for this event is listed below. Details of the original alert: At 05:22 pm, MetService weather radar detected a line of severe thunderstorms lying from KAIKOHE to MOENGAWAHINE to TITOKI. This line of severe thunderstorms is moving towards the eastsoutheast, and is expected to lie from MOEREWA to PURUA to MAUNGATAPERE at 05:52 pm and from KAWAKAWA to MAUNGATAPERE to PORTLAND at 06:22 pm. These thunderstorms are expected to be accompanied by torrential rain. Impact: Torrential rain can cause surface and/or flash flooding about streams, gullies and urban areas, and make driving conditions extremely hazardous. The National Emergency Management Agency advises that as storms approach you should: - Take shelter, preferably indoors away from windows; - Avoid sheltering under trees, if outside; - Get back to land, if outdoors on the water; - Move cars under cover or away from trees; - Secure any loose objects around your property; - Check that drains and gutters are clear; - Be ready to slow down or stop, if driving. During and after the storm, you should also: - Beware of fallen trees and power lines; - Avoid streams and drains as you may be swept away in flash flooding.