Hurricane Lee, moving northward off the east coast of the United States, is generating a large cirrus shield (see the ABI Band 4 image below) at high levels over New England, as also shown in the Air mass RGB shown above. The corrugated features in the cirrus are well-known predictors... Read More
1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Red” Visible (0.64 µm) images (above) showed Category 1 Hurricane Lee as it moved northward between Buoy 41048 and Bermuda (station identifier TXKF) on 14 September 2023. As shown in the plot below, the highest wind gust at Buoy 41048 was 41.0 m/s (79.7 knots, or 97.7 mph) at 2010 UTC (data transmission... Read More
1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Red” Visible (0.64 µm) and “Clean” Infrared Window (10.3 µm) images (above) showed Lee as it intensified to become a Category 1 Hurricane in the Central Atlantic Ocean on 06 September 2023. The coldest cloud-top infrared brightness temperatures were around -90C (brighter white pixels embedded within darker black areas). Lee had... Read More
Northeastern Minnesota, northwestern Wisconsin and the adjacent waters of Lake Superior experienced severe weather late on 5 September 2023. The animation below shows the strong convection moving over western Lake Superior. GOES-16 Mesoscale Sector 1 imagery from 2300-2359 UTC shows numerous convective towers bubbling up and collapsing. Storm Reports from SPC include a... Read More
