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Archive: Nov 2019

Medicane Trudy

EUMETSAT Meteosat-11 Visible (0.8 µm) images (above) showed the circulation and eye-like feature of Medicane “Trudy” (named “DETLEF” by Free University Berlin) as it moved southeastward across the Mediterranean Sea toward the coast of Algeria on 11 November 2019.VIIRS True Color Red-Green-Blue (RGB) and Infrared Window (11.45 µm) images from... Read More

Bush fires in eastern Australia

JMA Himawari-8 “Red” Visible (0.64 µm), Shortwave Infrared (3.9 µm) and Longwave Infrared Window (10.4 µm) imagery (below) showed the evolution of smoke plumes, hot 3.9 µm fire thermal anomalies (red pixels) and cloud-top infrared brightness temperatures of isolated pyrocumulus associated with bush fires that were burning in far eastern... Read More

Potential Vorticity anomaly approaching Baja California and Southern California

GOES-17 (GOES-West) Upper-level Water Vapor (6.2 µm), Mid-level Water Vapor (6.9 µm) and Air Mass RGB images (above) displayed the signature of dry, ozone-rich air associated with a Potential Vorticity (PV) anomaly approaching Baja California and Southern California on 05 November 2019. The “dynamic tropopause” — taken to be the pressure of the PV1.5 surface —... Read More