What is the dry line?

May 8, 2024 ... When the NWS Storm Prediction Center issues a tornado watch for an area, it means tornado development is possible and people in the area should ... Tornadoes develop from severe thunderstorms in warm, moist, unstable air along and ahead of cold fronts. Such thunderstorms also may generate large hail and ... Jun 16, 2024 ... Waterspouts fall into two categories: fair weather waterspouts and tornadic waterspouts. Tornadic waterspouts are tornadoes that form over ... During his studies, Aburto witnessed the unique courtship behavior of the bigeye trevally. He saw that large groups of the fish swim quickly together and around ... There is no such thing as guaranteed safety inside a tornado. Freak accidents happen; and the most violent tornadoes can level and blow away almost any house ... All sirens are tested at noon on the first Saturday of each month and silently tested daily internally by the system itself. Other than tests, the sirens are ... Jan 26, 2022 ... Mesovortex means the tornado forms from a mesocyclone, as opposed to a dust devil/watersprout/etc. I'm guessing Mesovortex is just different lingo for ... Tornadoes. A tornado is a violently rotating column of air that extends from a thunderstorm and comes into contact with the ground, according to the National ... The version used today—the Enhanced Fujita Scale—ranges from EF0 tornadoes with winds of 65 to 85 miles an hour, to EF5 tornadoes with winds exceeding 200 miles ... Most tornadoes form from thunderstorms. You need warm, moist air from the Gulf of Mexico and cool, dry air from Canada.