## Hurricane Hunters reveal 4 warning signs that a storm is about to strengthen ## Scientists have identified four clues that could reveal when a tilted tropical cyclone is about to straighten up and become capable of rapidly strengthening. Tropical cyclones generally need to become vertically organized before they can grow much stronger. That means the storm's rotating centers at different levels of the atmosphere must line up rather than remain tilted away from one another. Using nearly three decades of observations from NOAA Hurricane Hunter aircraft, researchers have now identified four…