Aviation Routine Weather Report (METAR)

Question 1

Refer to the excerpt from the following METAR report:

KTUS…..08004KT4SM HZ 26/04 A2995 RMK RAE36

At approximately what altitude AGL should bases of convective-type cumuliform clouds be expected?

Answer 1

4,400 feet.

Question 2

What significant cloud coverage is reported by this pilot report?

KMOB
UA/OV15NW MOB 1340Z/SK OVC 025/045 OVC 090

Answer 2

The top of the lower overcast is 2,500 feet; base and top of second overcast layer is
4,500 and 9,000 feet, respectively.

Question 3

The remarks section of the Aviation Routine Weather Report (METAR) contains the following coded information. What does it mean?

RMK FZDZB42 WSHFT 30 FROPA

Answer 3

Wind shift at three zero due to frontal passage.

Question 4

The station originating the following METAR observation has a field elevation of 3,500 feet MSL. If the sky cover is one continuous layer, what is the thickness of the cloud layer? (Top of overcast reported at 7,500 feet MSL.)

METAR KHOB 151250Z 17006KT 4SM OVC005 13/11 A2998

Answer 4

3,500 feet

Question 5

The station originating the following METAR observation has a field elevation of 5,000 feet MSL. If the sky cover is one continuous layer, what is the thickness of the cloud layer? (Top of overcast reported at 8,000 feet MSL.)
METAR KHOB 151250Z 17006KT4SM OVC005 13/11 A2998

Answer 5

2,500 feet.

Question 6

What is meant by the Special METAR weather observation for KBOI?

SPECI KBOI 091854Z 32005KT 1 1/2SM RA BR OVC007 17/16A2990 RMK RAB12

Answer 6

Rain and mist obstructing visibility, rain began at 1812Z.

Question 7

What is meant by the Special METAR weather observation for KBOI?

SPECI KBOI 091854Z 32005KT 1 1/2SM RA BR OVC007 17/16 A2990 RMK RAB12

Answer 7

The temperature-dew point spread is 1 °C; rain began at 1812Z.