Questions and CORRECT Answers
automated weather observation system with AUTO in the description and reports every 20 mins
is called - CORRECT ANSWER - AWOS
what does a P in the metar remarks mean - CORRECT ANSWER - precipitation has fallen
in the last hour
A01 in metar remarks means - CORRECT ANSWER - station cannot distinguish between
types of precipitation
A02 in metar remarks means - CORRECT ANSWER - station can distinguish types of
precipitation
PK WND means - CORRECT ANSWER - strongest wind in the last hour
when is a speci required regarding freezing drizzle - CORRECT ANSWER - any time it
shows up
what does an I mean in the remarks - CORRECT ANSWER - icing on the probe
what is the first level of augmentation - CORRECT ANSWER - level C
lowest level of ASOS, not automated at all, provides basic reporting services - CORRECT
ANSWER - level D
second best level of ASOS, augmentation, at smaller hubs - CORRECT ANSWER - level
B
, 4 parts of an ASOS machine - CORRECT ANSWER - acquisition control unit, operator
interface device, individual weather sensors, data collection package
when you hear the ATIS winds are ______ - CORRECT ANSWER - magnetic
when you read the METAR the winds are _______ - CORRECT ANSWER - true
how does the sky condition machine work - CORRECT ANSWER - laser points directly
upward and measures the cloud movements over the station
what does ALDARS do - CORRECT ANSWER - detects and reports lightning
if there is lightning 5 miles or less from the airport what will show up in the METAR -
CORRECT ANSWER - TS
if there is lightning 5-10 nm from the airport, what shows up on the metar - CORRECT
ANSWER - VCTS
if there is lightning 10-30 nm from the airport, what shows on the metar - CORRECT
ANSWER - distant TS
what does the precipitation sensor read if there is mixed precip - CORRECT ANSWER -
UP-unknown precipitation
what is the T group in the METAR remarks - CORRECT ANSWER - temperature
what is the P group - CORRECT ANSWER - precipitation
P0000 means what in METAR - CORRECT ANSWER - trace precip