NUCAPS estimates of temperature and dewpoint give swaths of information over the Arctic — a region where conventional observations are uncommon and widely spaced. The toggle above shows a disorganized low pressure system over central Alaska — light snow is widespread as shown by the surface observations, below (and in... Read More

1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Clean” Infrared Window (10.3 µm) images (above) showed thunderstorms that produced several tornadoes and damaging wind gusts (SPC Storm Reports) across parts of central Oklahoma on 03 November 2024. Pulses of thunderstorm overshooting tops exhibited 10.3 µm brightness temperatures as cold as -78.6ºC (brighter white pixels embedded within dark black regions)... Read More

To the CIMSS Inbox, From to the Alaska Ice Desk:I noticed what I think are a pair of mesoscale convective vorticies forming on a boundary in the southeastern Beaufort Sea between the Mackenzie River Delta and the ice pack where there's still open water. I don't think there's much impactful... Read More