1. What is the name of the book that describes weather observations and their codes?
2. How long must wind be measured before the direction and speed is known?
3. What is the definition of variable wind?
4. How long ago was a gust reading recorded?
5. How long must an automated sensor be used to determine visibility?
6. Is sleet an officially observed weather condition?
7. What is the "official" definition of Heavy snow?
8. What is the difference between low drifting and blowing snow?
9. What is freezing precipitation?
10. What is sleet officially?
11. What is the level of ASOS augmentation or other automatic weather observations at your airport?
12. Define these codes:
FZRA
GR
BR
P0015
680055
13. What is the wind chill for 30 degrees Fahrenheit with 25 mph winds?