Have a shot at Irv's latest interactive quiz and see whether you need a brush-up on your cryptographic skills. Advisory circular, AC 00-45E, explains weather service in general and the details of interpreting and using coded weather reports, forecasts, and observed and prognostic weather charts. Many charts and tables apply directly to flight planning and in-flight decisions. It can also be used as a source of study for pilot certification examinations. RVR changes to above or below 2400 feet.
Thunderstorm begins or ends.
Volcanic eruption is first noted. Rabbits reported on runways 5 and 30. It rained for 25 minutes during the period covered by the report. There are scattered clouds below the elevation of the reporting station. Precipitation is falling from a cloud but evaporating before reaching the ground, northeast of the airport.