![](\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/02\/260207_0901utc_g19_ir_sfc.png\")
<\/a>GOES-19 Infrared Window (10.3 \u00b5m) image at 0901 UTC, with a plot of the Surface Pressure (red) and Surface Frontal (beige) analysis at 0900 UTC on 07 February [click to enlarge]<\/p><\/div>As a low pressure system was located off the US East Coast on 07 February 2026<\/strong><\/a>, a so-called “Norlun Trough” (named after meteorologists Nogueira and Lundstedt<\/strong><\/a>) or “inverted trough” extended northwestward from the offshore low center to southern New England (above)<\/strong><\/em>.<\/p>\n 10 hours of 1-minute Mesoscale Domain Sector GOES-19 (GOES-East)<\/em> Infrared images (below)<\/strong><\/em> showed the development of convective cloud bands (brighter shades of green) within the area of surface convergence in the vicinity of the Norlun trough. Surface convergence was also enhanced by an approaching arctic cold front (which eventually merged with the Norlun trough). These convective cloud bands helped to enhance snowfall rates.<\/p>\n 1-minute GOES-19 Infrared Window (10.3 \u00b5m) images with 15-minute \/ hourly METAR surface plots and 3-hourly analyses of Surface Pressure (red) an Surface Fronts (beige), from 0901-1900 UTC on 07 February [click to play MP4 animation]<\/p><\/div>5 hours of 1-minute GOES-19 Infrared images that included County outlines and County names (below)<\/strong><\/em>\u00a0helped to identify the areas where the highest snowfall accumulations<\/strong><\/a> occurred (which as of 2002 UTC included 13.0″ in Essex County in far northeastern Massachusetts, 9.8″ in Washington County in far western Rhode Island and 8.0″ in Windham County in far eastern Connecticut).<\/p>\n<\/a>