Across
- 1. Lightning - The luminosity observed from ordinary lightning too far away for its thunder to be heard
- 7. - An increase in temperature with height, i.e. a departure from the usual decrease of temperature with an increase of altitude
- 9. - A violently rotating column of air touching the ground, usually attached to the base of a thunderstorm
- 10. Stream - Relatively strong winds concentrated within a narrow stream in the atmosphere
- 12. - The process by which electromagnetic radiation is propagated through free space
- 13. - A property of the steady state of a system such that a disturbance introduced into the steady state will not increase in magnitude
- 14. - The unit of speed in the nautical system; a nautical mile per hour. It is equal to 1.15 statute miles per hour
Down
- 1. - a tropical storm with winds that have reached a high speed
- 2. - A transition zone between two air masses of different density
- 3. - A sudden brief increase in wind speed
- 4. - All the various visible electrical discharges produced by thunderstorms. It can be cloud to cloud, cloud to ground, or cloud to air
- 5. - A cloud layer that covers most, or all of the sky
- 6. - Precipitation, ranging from .21 to .50 inches in a forecast period
- 8. Front - The semi-permanent, semi-continuous front separating air masses of polar and tropical origin
- 11. - A property of the steady state of a system such that certain disturbances introduced into the steady state will increase in magnitude