The solar storms that have been wowing people with the Northern Lights across the United States the last two nights have also been disrupting GPS satellites, crippling some Midwest farmers’ operations, reports 404 Media. The issues have forced many to stop planting just as a crucial planting deadline for corn farmers approaches.

The storms reportedly knocked “some GPS systems” offline temporarily, which messed with the accuracy of “Real-Time Kinematic” (RTK) systems. Tractors from…