Neighbour of Tia Sharp's grandmother Paul Meehan gave a detailed and "vivid" description of what she was wearing, the court heard, which delayed police from interviewing Stuart Hazell earlier.
But police had spoke to Meehan about the case three times before he finally said he saw her.
His explanation is that he "confabulated" seeing her - his brain mistakenly filled in the blanks in good faith.
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The outage struck Hartfield-Jackson Atlanta International Airport at around 1pm local time, stopping all outgoing flights.
It will be a chilly day for many parts with the highest temperatures, about 10 Celsius (50F) in the far northwest.
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