3-47. If dangerous weather such as a tornado is seen, what type of observation should be transmitted? 1. METAR 2.      SNYPOTIC 3.      SPECI 4.      RECORD   SPECIAL 3-48. Which of the following observations should contain 3-hourly additive data? 1. 1300Z 2. 1500Z 3. 1800Z 4. 1750Z (actual observation) METAR MXXX 221100Z 21017G34KT 2SM TSRA BKNO15CB OVC040 18/17 A2991 RMK FRQ LTGCC W TS W MOV NE SLP133; (symbolic format for this case) METAR  CCC  YYGGggZ  dddffGf_mf_mKT VVVVVSM  w'w' N_sN_sN_sh_sh_sh_s  N_sN_sN_sh_sh_sh_s  T'T'/T'_dT'_d  AP_HP_HP_HP_H (supplemental); (actual observation) METAR MYYY 221056Z 07005KT 1/2SM R03L/2400FT FG VV005 15/15 A2992 RMK SLP132; (symbolic format for this case) METAR  CCCC  YYGGggZ  dddffKT  VVVVVSM RD_RD_R/V_RV_RV_RV_Rft  w'w'  VVh_sh_sh_s  T'T'/T'_dT'_d AP_HP_HP_HP_H (supplemental); Figure 3-D IN  ANSWERING  QUESTIONS  3-49  THROUGH 3-54, REFER TO THE METAR CODED REPORTS FOR STATIONS MXXX AND MYYY IN FIGURE 3-D. 3-49. What is the wind direction at station MXXX? 1. 340° 2. 210° 3. 170° 4 .   0 8 0 ° 3-50. What is the horizontal surface visibility reported at station MYYY? 1. 1/2  statute  mile 2. 1/2  statute  meter 3. 15  nautical miles 4.      2,400   feet 3-51. What is the runway visual range reported by station MYYY? 1. 300  feet 2. 2,400 meters 3. 2,400 feet 4. 0300   variable 2,400  feet 3-52. What weather is occurring at stations (a) MXXX and (b) MYYY? 1. (a) Thunderstorm with rain (b) smoke 2. (a) Thunderstorm with rain (b) fog 3. (a) Thunderstorm with hail (b) fog 4. (a) Thunderstorm with hail (b) smoke 3-53. What is the sea level pressure at MXXX? 1. 29.91  in. 2. 29.91 hPa 3. 1013.3  in. 4. 1013.3  hPa 24