Synthetic Aperture Radar (SAR) imagery can be used to produce very high resolution mapping of winds. Imagery is available in selected domains at this NOAA/OSPO website; OSPO is the Office of Satellite Product Observations. Data are available from three different satellites: Sentinel-1/Sentinel-2 (managed by the European Space Agency) and RADARSAT (managed by the Canadian Space Agency). These space-borne radars can... Read More
Multi-spectral views from Himawari-8’s “Target Sector” that provides 2-minute imagery, above, show weakening Typhoon Chan-hom south of Japan. The Typhoon shows a sheared structure, with the surface circulation southwest of the main convection, a shift that is especially evident in the Band 5 1.61 µm channel that differentiates between low... Read More
What did the Medicane that hit Greece do afterwards? VIIRS True-color imagery, above, taken from the NASA WorldView site, show an intact feature moving along the northern coast of Africa on 20-21 September towards the Nile Delta. The amount of cloudiness is in general declining as it moves into a drier environment. Total Precipitable Water... Read More
Sally was upgraded to a Hurricane at 1600 UTC on 14 September. (Link)Hurricane warning have been issued along the central Gulf Coast on 14 September as strengthening tropical storm Sally approached. MIMIC estimates of total precipitable water, above, for the 24 hours ending at 11 UTC on 14 September show the moist airmass in the... Read More
