Assertion: typhoon's eye | /r/HasProperty | revealed by microwave imagery
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Source sentences:
text: Moreover, it tried to form an eye revealed by microwave imagery.
text: Under a favorable environment of low vertical wind shear and radial outflow, Koppu deepened rapidly and intensified into a typhoon in the afternoon of October 15, when a tightly-curved convective band was wrapping into an eye revealed by a microwave imagery.
text: One day later, late on December 22, the JMA upgraded the system to a severe tropical storm, and Nock-ten started to form an eye revealed by microwave imagery.