(13) Sensor Status. PWINO FZRANO TSNO RVRNO PNO VISNO Examples of METAR reports and explanation: METAR KBNA 281250Z 33018KT 290V360 1/2SM R31/2700FT SN BLSN FG VV008 00/M03 A2991 RMK RAE42SNB42 METAR aviation routine weather report KBNA Nashville, TN 281250Z date 28th, time 1250 UTC (no modifier) This is a manually generated report, due to the absence of "AUTO" and "AO1 or AO2" in remarks 33018KT wind three three zero at one eight 290V360 wind variable between two nine zero and three six zero 1/2SM visibility one half R31/2700FT . Runway three one RVR two thousand seven hundred SN . moderate snow BLSN FG . visibility obscured by blowing snow and fog VV008 indefinite ceiling eight hundred 00/M03 . temperature zero, dew point minus three A2991 altimeter two niner niner one RMK . remarks RAE42 . rain ended at four two SNB42 snow began at four two METAR KSFO 041453Z AUTO VRB02KT 3SM BR CLR 15/12 A3012 RMK AO2 METAR aviation routine weather report KSFO San Francisco, CA 041453Z date 4th, time 1453 UTC AUTO . fully automated; no human intervention VRB02KT wind variable at two 3SM . visibility three BR visibility obscured by mist CLR . no clouds below one two thousand 15/12 . temperature one five, dew point one two A3012 altimeter three zero one two RMK remarks AO2 . this automated station has a weather discriminator (for precipitation) SPECI KCVG 152224Z 28024G36KT 3/4SM +TSRA BKN008 OVC020CB 28/23 A3000 RMK TSRAB24 TS W MOV E SPECI . (nonroutine) aviation special weather report KCVG . Cincinnati, OH 152228Z date 15th, time 2228 UTC (no modifier) This is a manually generated report due to the absence of "AUTO" and "AO1 or AO2" in remarks 7-1-74 Meteorology