Metar Help

Question 0

When are ceilings reported in the metar?

Answer 0

CIG<3000 ft

Question 1

What are the parameters for DZ?

Answer 1

1. Low stratus deck 5/8 miles visibility
2. No ice in cloud
3. Small raindrops <0.5mm

Question 2

When are RVR reported?

Answer 2

When the prevailing visibility is <1 mile or RVR is 6,000 ft or less

Question 3

What are the parameters for FG?

Answer 3

Visible particles but don’t fall to ground like DZ

Question 4

When is +SN reported?

Answer 4

When visibility is around 1/4 mi

Question 5

How do you tell if pressure is rising or falling using 5 group?

Answer 5

0-3 is decreasing then increasing
4-5 is steady
6-8 is increasing then decreasing 3 hours later

Question 6

What is CHI?

Answer 6

Cloud height indicator. CHINO means sky condition is not available