GOES-16 (GOES-East) Air Mass RGB images (above) included contours of RAP40 model PV 1.5 Pressure — and showed a Hurricane Force low pressure that had rapidly intensified as it moved northeastward off the US East Coast (surface analyses) on 06 February 2023. The PV 1.5 surface (which represents the dynamic tropopause) descended to the 500 hPa pressure level at... Read More
Synthetic Aperture Radar (SAR) RADARSAT-2 observations continue in/around the South Pacific Ocean surrounding American Samoa. On 6 February, observations occurred at 0543 and 1640 UTC. The toggle below compares the 0540 UTC Band 13 Clean Window infrared (10.3 µm) image with overlain SAR winds (color-enhanced with the AWIPS ‘gridded data’... Read More
Daynight band imagery from the CIMSS Direct Broadcast antenna (processed by CSPP software) early on 6 February 2023 showed a curious region of darker reflectance over western Hudson Bay (VIIRS imagery is available from this temporary file; microwave imagery from ATMS at the same time is available from this temporary file). The toggle below, between the VIIRS I04 (3.74 µm) brightness temperature... Read More
