Wx Observer Exam Questions with 100% Correct Answers

1. What are the designators used on coded aviation weather observations for the following types of reports? a. Routine report b. Unscheduled report Correct Answer a. METAR b. SPECI Weather conditions being equal, why should you allow more time for taking observations at night than during the day? Correct Answer You must allow time for your eyes to become adjusted to the darkness. If you decide at the time of an observation that the normal procedures given in your station's Handbook are inappropriate for circumstances at hand, what should you do? Correct Answer If instructions are inappropriate because they are incomplete or do not cover the situation observed, follow the instructions given as closely as possible but exercise your judgment as to what should be reported. WSOH #7 and #8 give minimum requirements. How often should time checks be made on the official station clock used as the station standard? Correct Answer Daily at part-time stations, or once every shift at full-time stations or if there is an aircraft mishap. How long are you required to retain carbon copies of MF1M-10? Correct Answer 90 days isthe minimum. SAWRS, however, are encouraged to keep them until visited by an NWS representative. If these forms are available, the NWS representative will be better able to help you improve your observation program. When the actual cloud height or visibility falls midway between two reportable values, which value is reported? Correct Answer The lower of the two reportable values. This is done in the interest of safety. The time of observation, which is entered in column 2 for most SAWRS, is in: a. UTC b. LST c. LDT d. GMT Correct Answer a. UTC Under what conditions may you omit taking a SPECI when notified of an aircraft mishap? Correct Answer Only if a METAR or SPECI observation was taken between the occurrences of the aircraft mishap and the time you were notified. If this should happen, it would be to your advantage to enter the time of notification, in column 65 (e.g., Notified of ACFT MSHP at 1703)