Eumetrain

6.2 µm WV (color enhanced) – 12 June, 2026, 06:20 UTC – A strong African easterly wave situated over West Africa is evident in this water v***r image, seen near the eastern limb of GOES-East’s view. The expanding cirrus canopy marks vigorous deep convection within the tropical wave. Forecasters monitor these disturbances closely during the hurricane season because they can travel across the Atlantic and lead to the formation of tropical cyclones. According to the National Hurricane Center, about 85% of major hurricanes (category 3 or higher) can be traced back to tropical waves.

GOES EAST Airmass RGB + 300z – 4 June 2026, 06:10 UTC - A low-pressure system has formed near the southern tip of South America, and the airmass product clearly reveals an upper-level PV anomaly in the upper layers, depicted in reddish tones. An upper-level trough is also visible in the 300-hPa geopotential field. High-level, thick ice clouds are shown in white, while warmer air masses with low upper-tropospheric humidity are shown in dark green.

FCI 10 min IR Sandwich - 20 May 2026, 15 UTC - On the border between Finland and Russia, a cold front initiates convection in a warm and moist airmass. This convective multicell system, in particular, was quite long-lived, with first signs of active convection at 10 UTC and some areas with lightning prevailing until nighttime. The Sandwich product is very good at distinguishing deep convection during the day and it shows the cloud top features well, for example, an overshooting top in the middle in orange. The more the colour leans red, the colder the cloud top.

High Rate SEVIRI WV6.2 μm and Blended SEVIRI/LEO MW Precipitation and Morphologic Information – 11 May 2026, 18:30 UTC – Over central Europe, a broad precipitation area associated with a cold front can be seen, with locally enhanced precipitation embedded within the frontal cloud band. In the High Rate SEVIRI WV6.2 μm image, which focuses on the water vapour absorption band, an area of high humidity can be seen in gray to white tones. The highest precipitation amounts are visible in shades of blue in the Blended SEVIRI/LEO MW Precipitation and Morphologic Information product, with the scale ranging from light yellow to dark blue and showing precipitation intensity in mm/h. The product uses geostationary (GEO) IR images “calibrated” by precipitation measurements from MW images on Low Earth Orbit (LEO) satellites, making it useful for estimating rainfall rates at high temporal frequency.

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