Stratospheric intrusion vortices over the Pacific Northwest
McIDAS images of the GOES-14 6.5 µm water vapor channel data (above; also available as a QuickTime animation) revealed that a pair of stratospheric intrusion vortices developed over the Pacific Northwest region of the US on 26 December – 27 December 2009. The spin-up of these vortices occurred within the pronounced dry band that... Read More