[expatpat]

If it's wind shear without rain, there are no water drops to bounce the radar signal back off, therefore no detection.

[GMMAC]

"If it's wind shear without rain, there are no water drops to bounce the radar signal back off, therefore no detection."

I'm less than 2 miles immediately South of Pearson Airport and there was big time rain, wind and lightening at the 4:12 EDST point of impact. Suspect the plane was hit by lightening and its electrical system cut out.