Weather Information

2. The ___ is reported as a five-digit group.
4. ____ information is disseminated for all navigational facilities that are part of the National Airspace System.
6. _______ is a recorded telephone briefing with the forecasting for the local areas, usually within 50 nautical miles radius of the station.
12. ____ is reported in statute miles with "SM" appended to it.
13. showers
14. snow
15. The ______, or "Flight Watch", is a service from selected FSS's or AFSS's on a common frequency 122.0 MHz below flight level 180 and on assigned discrete frequencies to aircraft at FL180 and above.
17. low drifting
18. _____ are increasingly being installed at airports.
19. freezing
20. thunderstorm
21. patches

1. shallow
3. A ____ is an FAA-operated information system which enables pilots and other aviation interests to conduct their own weather briefings.
5. rain
6. ice pellets
7. The ___ as reported in the METAR code represents a significant change in the way weather is currently reported.
8. The _____ are a timely and helpful observation to fill in the gap between reporting stations.
9. ______ is provided by AFSS's and provides continuous telephone recordings of meteorological and/or aeronautical information.
10. blowing
11. The _____ is the primary surface weather observing system of the U.S.
16. A ____ is a continuous broadcast on low/medium frequency and selected VOR's.
17. drizzle
19. The ____ provides more aviation weather briefing services than any other government service outlet.