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METAR LBBG 041600Z 12012MPS 090V150 1400 R04/P1500N R22/P1500U +SN BKN022 OVC050 M04/M07 Q1020 NOSIG 8849//91= METAR indicates that the following is a standard hourly observation. LBBG is the ICAO airport code for Burgas Airport. 041600Z indicates the time of the observation.
Blowing snow [1] is snow lifted from the surface by the wind, at eye level (1.8 m or 6 ft) or more, [2] that will reduce visibility. Blowing snow can come from falling snow or snow that already accumulated on the ground but is picked up and blown about by strong winds.
Colour states is a system used for quickly showing meteorological conditions. [1] [2] ... The colour state may be appended to a METAR report. ... Code of Conduct;
The airport observations are then transmitted worldwide using the METAR observing code. METAR reports typically come from airports or permanent weather observation stations. Reports are generated once an hour; however, if conditions change significantly, they may be updated in special reports called SPECIs. [9] [10] [11] [12]
The parenthesized letters are the shortened METAR codes for each ... (0.62 mi). Heavy snowfall describes conditions when visibility is restricted below .5 kilometres ...
A TTF is a professionally considered forecast for weather over a two-hour period, [1] and is based on an actual weather report, such as a METAR or SPECI and appended to the end of it. [1] A TTF is similar to or sometimes in addition to a TAF, a terminal aerodrome forecast, but during the TTF's validity period is considered superior to a TAF.
This usually occurs when temperatures are below 0 °C (32 °F). These conditions are hazardous due to ice formation, which can be deadly, particularly so because of the low visibility, which usually accompanies these conditions at under 1,000 yards. The combination of low visibility and ice formation can lead to accidents on roadways.
The two-letter code appears in the first two, middle, or last two positions of the four-character code. The use of the FAA identifier system in meteorology ended in 1996 when airways reporting code was replaced by METAR code. The METAR code is dependent wholly on the ICAO identifier system.