GOES-18 (GOES-West) Air Mass RGB images (above) showed the progression of a strong cold front — associated with a deepening Alberta Clipper type of midlatitude cyclone — which produced strong winds across parts of central/eastern Montana and western North Dakota / South Dakota during the afternoon and evening hours on 17 October 2023. Notable... Read More

GOES-R Satellites (GOES-16 as GOES-East and GOES-18 as GOES-West) provide single-channel observations, such as the clean window infrared image above that can be used to identify features. In the example above, a mid-level cloud deck stretches southeastward from the Samoan islands that surround 170oW Longitude. Higher clouds with with embedded... Read More

MIMIC Total Precipitable Water fields, above, (archived here), show the motion of Typhoon Bolaven as it evolved from a strong typhoon west of 150o E Longitude on 10 October to a potent extratropical cyclone approaching 150oW Longitude on 16 October 2023, at which later time a long filament of tropical moisture continued to accompany the... Read More

The RCM-1 (Radarsat Constellation Mission 1) satellite overflew STY Bolaven at 0840 UTC on 11 October. The Himawari-9 infrared (10.4 µm) presentation of the storm is excellent with a symmetric storm, distinct eye, and vigorous outer band convection. SAR winds show the strongest convection in the eastern half of the... Read More