WX 301 Test One / Comprehensive Study Guide
Complete Questions and Correct Detailed Answers
What order is a METAR in? - (ANSWER)•Type (METAR or SPECI)
•ICAO station identifier
•Date and time of report
•Modifier (as required): e.g., "AUTO"
•Wind direction and speed
•Prevailing visibility
•Runway Visual Range (RVR) (as required)
•Present weather (Weather phenomena) and/or restriction to visibility
•Sky condition (i.e., cloud cover)
•Temperature / dewpoint
•Altimeter setting
T S D&T M W P WX SKY TEMP ALT
What amount of cloud coverage constitutes a ceiling? - (ANSWER)BKN or OVC
(broken or overcast)
What is a SPECI report? - (ANSWER)Issued between METAR reports
What are the types of ICAO identifiers? - (ANSWER)P - Pacific
, K - 48 US States
T - Other 2 US States
E - European
How do you read the date and time of METAR? - (ANSWER)6 digits, 1st two are
the day of the month, last four are in Zulu
When are METARS issued? - (ANSWER)3-7 min before the hour, valid on the next
hour
How to read Zulu time - (ANSWER)From 7pm for Eastern Standard, from 8pm for
eastern daylight time
What are the types of modifiers? - (ANSWER)COR - corrected report
AUTO - automated report
How is wind direction reported? - (ANSWER)Reported where winds are coming
from, 3 digits for direction (to the nearest 10 degrees) third digit is always zero, 2-
3 for speed, G for gusts
Wind direction is
360 N
270 W ---|--- 090 E
Complete Questions and Correct Detailed Answers
What order is a METAR in? - (ANSWER)•Type (METAR or SPECI)
•ICAO station identifier
•Date and time of report
•Modifier (as required): e.g., "AUTO"
•Wind direction and speed
•Prevailing visibility
•Runway Visual Range (RVR) (as required)
•Present weather (Weather phenomena) and/or restriction to visibility
•Sky condition (i.e., cloud cover)
•Temperature / dewpoint
•Altimeter setting
T S D&T M W P WX SKY TEMP ALT
What amount of cloud coverage constitutes a ceiling? - (ANSWER)BKN or OVC
(broken or overcast)
What is a SPECI report? - (ANSWER)Issued between METAR reports
What are the types of ICAO identifiers? - (ANSWER)P - Pacific
, K - 48 US States
T - Other 2 US States
E - European
How do you read the date and time of METAR? - (ANSWER)6 digits, 1st two are
the day of the month, last four are in Zulu
When are METARS issued? - (ANSWER)3-7 min before the hour, valid on the next
hour
How to read Zulu time - (ANSWER)From 7pm for Eastern Standard, from 8pm for
eastern daylight time
What are the types of modifiers? - (ANSWER)COR - corrected report
AUTO - automated report
How is wind direction reported? - (ANSWER)Reported where winds are coming
from, 3 digits for direction (to the nearest 10 degrees) third digit is always zero, 2-
3 for speed, G for gusts
Wind direction is
360 N
270 W ---|--- 090 E
