Suomi NPP image of Dorian (IMAGE)

NASA/Goddard Space Flight Center

Suomi NPP image of Dorian

Caption

NASA/NOAA's Suomi NPP satellite was in an ideal position for observing Dorian at 0617 UTC (2:17 am EDT) at an almost nadir view (right over the storm). The infrared imagery showed a somewhat circular storm, though a bit lopsided. However, the convection was strong enough to result in several overshooting tops and tropospheric gravity waves are atmospheric waves (in this observation from the troposphere) that are produced by strong thunderstorms near the eye and radiate outward in expanding spirals giving forecasters and scientists a good indicator of the strength of the storm. This top-down view of Dorian allowed the microwave sounder to observe the inner structure of the storm. 

Credit

NASA/NOAA/UWM-SSEC-CIMSS/William Straka III

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