tornado articles
What does the dark coloration of storm clouds primarily indicate about their composition?
What visual feature is the most reliable indicator that a tornado might be imminent?
What is the critical differentiator between a severe thunderstorm that will not produce a tornado and one that is capable of doing so?
What specific precipitation characteristic defines a wall cloud?
What weather phenomenon is signaled by a shelf cloud?
What determines the actual, visible color of a mature tornado?
What is the primary characteristic that distinguishes scud clouds from a developing wall cloud?
If a storm cloud appears nearly black, what does this imply about the cloud structure?
What does the overarching meteorological principle state regarding dark clouds and danger?
Why is waiting for a visible funnel cloud to descend potentially dangerous?
What physical feature are shelf clouds associated with?
What visual precursor is most frequently reported before or during severe weather producing tornadoes or large hail?
What physics principle explains why the sky appears green during these storms?
For the textbook green canopy to form, what condition must the sun meet regarding its position?
If a sky appears a muted, almost brownish-green, what intensity of storm core does this suggest?
What is the primary limitation regarding the green sky as a prediction tool?
What immediate action is required when observers witness the sky shifting to an ominous green or yellow-green color?
What does a vivid, almost electric green color paired with a lowered, rotating feature suggest?
Why is immediate response crucial when the green sky is observed, according to the text?
What causes the normal blue appearance of the sky on a clear day?
What colors have devastating tornadoes sometimes occurred under, despite not being green?