• Potential major stratospheric warming event

    Forecast models suggest a major stratospheric warming event might develop in December 2019, possibly initiating a collapse sequence of the polar vortex. Main cooling effects are expected across Eurasia and the United States. "This might have important…

  • Severe hailstorm hammers Canterbury, New Zealand

    Over 1 500 lightning strikes pummeled the South Island during a six-hour storm that hammered Canterbury, with destructive hailstones around 4.3 cm (1.7 inches) in diameter hitting Timaru on Wednesday, November 20, 2019. It was the second storm to hit the region in…