1-minute Mesoscale Domain Sector GOES-17 (GOES-West) “Clean” Infrared Window (10.35 µm) images (above) showed thunderstorms associated with the South Pacific Convergence Zone (SPCZ) on 21 February 2021. The 3 METAR stations plotted on the imagery are, from left to right, Hihifo Airport, Wallis and Fotuna (NLWW), Apia, Samoa (NSFA) and Pago Pago, American Samoa (NSTU).In spite... Read More
The rapid intensification of a Storm Force low over the East Pacific Ocean during the 17-18 February 2021 period (surface analyses) could be seen on Water Vapor images from GOES-17 (6.9 µm) and GOES-15 (6.5 µm) (above). This was from the final full day of GOES-15 imaging operations (while the satellite... Read More
In the wake of a southward surge of arctic air across the central US — which produced surface temperatures as cold as -50ºF in Minnesota on 13 February — GOES-16 (GOES-East) Day Cloud Phase Distinction RGB images (above) showed the large areal extent of snow cover (brighter shades of green) across Oklahoma, New Mexico and Texas on 15 February 2021. In... Read More
Beginning on 06 February 2021, the GOES-15 satellite was brought out of storage for a 14-day period of imaging (as part of its annual checkout activities). On 10 February, a comparison of Water Vapor images from GOES-17 (6.9 µm) and GOES-15 (6.5 µm) showed mountain waves over southeastern Wyoming and... Read More
