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Category: Winter weather

Shallow fog/stratus over snow cover in Saskatchewan, Manitoba and North Dakota

GOES-16 (GOES-East) Nighttime Microphysics RGB and Day Snow-Fog RGB images (above) displayed the nocturnal formation — followed by the daytime dissipation — of shallow fog/stratus across snow-covered (shades of red in Day Snow-Fog RGB imagery) parts of southeastern Saskatchewan, southwestern Manitoba and northern North Dakota on 22 December 2023. With surface air temperatures dropping into the... Read More

Lake Erie lake effect snow band produces thundersnow in western New York

1-minute Mesoscale Domain Sector GOES-16 (GOES-East) Day Cloud Phase Distinction RGB images with an overlay of GLM Flash Extent Density (above) showed a glaciating (brighter shades of green) to glaciated (pale shades of yellow) lake effect snow (LES) band streaming inland off Lake Erie on 17 November 2023. There were 4 brief periods of lightning activity seen just south of the Buffalo,... Read More