A sequence of Suomi-NPP VIIRS Infrared Window (11.45 µm) images (above) displayed the development of a coma-shaped cloud structure associated with a low pressure system near the North Pole (northwest of Greenland) on 13 February 2024. The single METAR surface report plotted is Svalbard, Norway (the reports for CWLT —... Read More
GOES-16 (GOES-East) Upper-level Water Vapor (6.2 µm) images that included plots of Derived Motion Winds along with Pilot Reports (PIREPs) of turbulence (above) showed that there was widespread turbulence in the general vicinity of the axis of an anomalously-strong subtropical jet stream moving across the US on 09 February 2024. Wind speeds along the axis... Read More
The US Drought Monitor for islands in the western Pacific Ocean, below, shows moderate to severe drought in some of the islands, especially those farthest from the Equator. Is there anything on the horizon that might bring rains?MIMIC Total Precipitable Water fields, below, show mostly dry conditions over the western Pacific with... Read More
As tropical storm Nat moves away from the Samoan Islands and towards Tahiti, another Invest area, 98P, has developed north of the Samoan Islands. The animation above, from the MIMIC Total Precipitable Water site (link), shows a cyclonically-rotating concentration of moisture just north of Samoa, and moving east-southeastward toward Olosega... Read More
