Across
- 5. a storm with thunder and lightning and typically also heavy rain or hail.
- 6. a model of a plan or design which is created on a computer, especially in order to discover how to make or improve a product:
- 8. a weather system that is the boundary separating two different types of air
- 9. A violently rotating column of air touching the ground, usually attached to the base of a thunderstorm.
- 11. a tropical storm with winds that have reached a constant speed of 74 miles per hour or more
- 13. high cloud made of ice crystals
- 16. an instrument measuring atmospheric pressure, used especially in forecasting the weather and determining altitude.
- 17. the continuous movement of water within the Earth and atmosphere
- 18. a quantity representing the amount of water vapor in the atmosphere or in a gas.
- 19. the weather conditions prevailing in an area in general or over a long period.
- 22. lower pressure at its center than the areas around it
- 23. water droplets suspended in the air at the Earth's surface
Down
- 1. an instrument for measuring the speed of the wind, or of any current of gas
- 2. an instrument measuring atmospheric pressure, used especially in forecasting the weather and determining altitude.
- 3. uniform and flat, producing a gray layer of cloud cover which may be precipitation-free or may cause periods of light precipitation or drizzle
- 4. a giant spark of electricity in the atmosphere between clouds, the air, or the ground
- 7. the sound caused by a nearby flash of lightning
- 10. large body of air with generally uniform temperature and humidity
- 12. Sustained wind or frequent gusts to 35 miles an hour or greater; and. Considerable falling and/or blowing snow
- 13. detached, individual, cauliflower-shaped clouds usually spotted in fair weather conditions
- 14. have more air pressure than their surroundings.
- 15. rain, snow, sleet, or hail that falls to the ground.
- 20. the temperature the air needs to be cooled to (at constant pressure) in order to achieve a relative humidity (RH) of 100%
- 21. the state of the atmosphere at a place and time as regards heat,dryness, sunshine, wind, rain, etc.
