[old curmudgeon]

The storm was 400 miles out to sea.

I doubt that in that part of the world there was any reliable radar information.

[expatpat]

The aircraft itself has radar.

[zipper]

The storm was 400 miles out to sea.

I doubt that in that part of the world there was any reliable radar information.

You might be surprised

http://www.weathergraphics.com/tim/af447/