Form: Present weather codes_Cloud types STRATIFORM CLOUDS 50 – 55 • Drizzle • Stratus nebulosus -DZ DZ +DZ 56 – 57 • Drizzle which freezes on contact with • Stratus nebulosus -FZDZ FZDZ +FZDZ a surface below 0 OC 58 – 59 • Drizzle (dominating) and rain falling at • Stratus nebulosus along with another cloud layer of either -DZRA DZRA +DZRA the same time • Nimbostratus, Altostratus opacus or Stratocumulus 60 – 65 • Rain • Nimbostratus, Altostratus opacus or Stratocumulus -RA RA +RA 66 – 67 • Rain which freezes on contact with a • Nimbostratus, Altostratus opacus or Stratocumulus -FZRA FZRA +FZRA surface below 0 OC 68 – 69 • Rain (dominating) & snow falling • Nimbostratus, Altostratus opacus or Stratocumulus -RADZ RADZ +RADZ together • Nimbostratus, Altostratus opacus or Stratocumulus together with Stratus nebulosus -RASN RASN +RASN • Rain (dominating) & drizzle falling • Nimbostratus, Altostratus opacus or Stratocumulus together with Stratus nebulosus -RASNDZ RASNDZ together +RASNDZ • Rain (dominating) & snow & drizzle falling together 70 – 75 • Snow • Nimbostratus, Altostratus opacus or Stratocumulus -SN SN +SN 77 • Snow grains • Stratus nebulosus -SG SG +SG 79 • Ice pellets • Nimbostratus, Altostratus opacus or Stratocumulus -PE PE +PE RTC-NTS-040.1 Page 1 of 2 Form: Present weather codes_Cloud types CONVECTIVE CLOUDS 80 – 82 • Showers of rain • Cumulus congestus, Cumulonimbus calvus or Cumulonimbus capillatus -SHRA SHRA +SHRA 83 – 84 • Showers of rain and snow falling at the • Cumulus congestus, Cumulonimbus calvus or Cumulonimbus capillatus -SHRASN SHRASN same cloud +SHRASN 85 – 86 • Showers of snow • Cumulus congestus, Cumulonimbus calvus or Cumulonimbus capillatus -SHSN SHSN +SHSN 87 – 88 • Showers of snow pellets or small hail • Cumulus congestus, Cumulonimbus calvus or Cumulonimbus capillatus -SHGS SHGS +SHGS 89 – 90 • Showers of large hail • Cumulus congestus, Cumulonimbus calvus or Cumulonimbus capillatus -SHGR SHGR +SHGR 91 – 92 • Rain or showers of rain • Cumulonimbus calvus or Cumulonimbus capillatus with possibly also Nimbostratus or -RA RS +RA Altostratus opacus -SHRA SHRA +SHRA 93 – 94 • Snow or hail • Cumulonimbus calvus or Cumulonimbus capillatus with possibly also Nimbostratus or -SHSN SHSN +SHSN Altostratus opacus -SHGS SHGS +SHGS -SHGR SHGR +SHGR 95 – 96 • Thundershowers of rain • Cumulonimbus calvus or Cumulonimbus capillatus -TSRA TSRA • Thundershowers of rain and hail • Cumulonimbus calvus or Cumulonimbus capillatus -TSRAGS TSRAGS -TSRAGR TSRAGR 97 & 99 • Thundershowers of rain • Cumulonimbus capillatus +TSRA • Thundershowers of rain and hail • Cumulonimbus capillatus +TSRAGR +TSRAGS 98 • Thundershowers of rain accompanied • Cumulonimbus calvus or Cumulonimbus capillatus (- +)TSRA DS or SS by a dust storm or a sand storm RTC-NTS-040.1 Page 2 of 2 .