Cres Huang
Certainly, a sudden significant increase of energy in the environment could force the electron to rapidly ascent, or vice versa. However, I believe it's inertia would try to preserve the angular momentum and limit it from jumping straight. Instead it's a smooth spiral trajectory before reaching the new energy level that is balanced with the environment. Then, it would stay on new orbit if the environment remains unchanged. It disappears when it is moving at transition trajectory, then it can be detected again by our sensors when it's trajectory stabilized. I believe the jump is the result of the blindness of the detectors not the nature phenomenon. Particles are light-speed able beings. Consider one second of light beam is about 300,000 km long. One nanosecond of light beam is about 30 centimeters, 11.81 inches. Hasn't the particle translated, instead of jump, a vast distance at one nanosecond?
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