A dark red patch (or streak) suddenly appeared on the image, and it seems to repeatedly flash every hour, moving with the storm. Is this real?
It is not real. As we say in the disclaimer on the main page, the individual images that are used as input into this product sometimes contain bad data in the form of missing scanlines or anamalously high or low values that often stretch in an arc across the image. When these areas are incorporated into the MIMIC product they form artifacts that fade in and out, and appear to move with the storm center. However, they have no physical meaning and hopefully they will not obstruct your interpretation of the imagery.
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