Symptoms of UVH will depend on the cause of the problem. Symptoms can come. on suddenly or slowly, can be mild or severe, or may last for a few days or even. weeks. The most common symptoms include: ï· Dizziness or vertigo (described as a spinning sensation) ï· Poor balance, especially with head turns.
Positive-tilt Trough. An upper level system which is tilted to the east with increasing latitude (i.e., from southwest to northeast). A positive-tilt trough often is a sign of a weakening weather system, and generally is less likely to result in severe weather than a negative-tilt trough if all other factors are equal.
Axis tilt is the vertical angle at which the ball rotates. Axis tilt is what is commonly known as spin. Axis tilt is determined by the position of the thumb during the release. If the hand turns too early, the thumb exits on top of the ball. Bowlers with a high degree of axis tilt will be able to see the top of their hand during the release and follow through.