Foxes path towards origin (0,0) during a thunderstorm

The bug

No matter the location of a fox, they try to path towards the origin during a thunderstorm. 

Steps to reproduce

1. Teleport around seventy blocks away from the center of the world:

   /tp @s 0 100 70

2. Summon some foxes and set the weather to "thunder":

   /weather thunder

Observed behavior

Foxes will always pathfind to the center of the world (0,0) during thunderstorms.

Expected behavior

Foxes would not pathfind to the center of the world during thunderstorms.

Code analysis

Code analysis can be found in this comment.