Metar Help Flashcards
0
Q
When are ceilings reported in the metar?
A
CIG<3000 ft
1
Q
What are the parameters for DZ?
A
- Low stratus deck 5/8 miles visibility
- No ice in cloud
- Small raindrops <0.5mm
2
Q
When are RVR reported?
A
When the prevailing visibility is <1 mile or RVR is 6,000 ft or less
3
Q
What are the parameters for FG?
A
Visible particles but don’t fall to ground like DZ
4
Q
When is +SN reported?
A
When visibility is around 1/4 mi
5
Q
How do you tell if pressure is rising or falling using 5 group?
A
0-3 is decreasing then increasing
4-5 is steady
6-8 is increasing then decreasing 3 hours later
6
Q
What is CHI?
A
Cloud height indicator. CHINO means sky condition is not available
