Present Weather Symbols
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Present Weather Symbols Following are the 100 present weather symbols used in meteorology. They are divided into groups as indicated below. Codes 00-09 General Group: No precipitation, fog, duststorm, sandstorm, drifting or blowing snow at the station at the time of observation or, except for 09 during the preceding hour. 00 01 02 03 04 05 06 07 08 09 Cloud Clouds State of sky Clouds Visibility Haze Widespread Dust or sand Well Duststorm or development generally on the whole generally reduced by dust in raised by the developed sandstorm NOT dissolving or unchanged forming or smoke suspension in wind at or dust whirl(s) within sight at observed or becoming during past developing the air, not near the or sand the time of NOT less hour (not during past raised by station at the whirl(s) seen observation, observable developed plotted) hour (not wind at or time of the at or near the or at the during past during past plotted) near the observation, station during station during hour (not hour (not station at the but no well- the preceding the preceding plotted) plotted) time of developed hour or at the hour observation dust whirl(s), time of and no observation, sandstorm but no seen: or, in duststorm or the case of sandstorm ships, blowing spray at the station Codes 10-19 General Group: No precipitation at the station at the time of observation or, except 17, during the preceeding hour. 10 11 12 13 14 15 16 17 18 19 Mist Patches of More or less Lighting Precipitation Precipitation Precipitation Thunder Squall(s) Funnel shallow fog at continuous visible, no within sight, within sight, within sight, heard, but no within sight cloud(s) / station, NOT shallow fog at thunder heard but NOT reaching reaching the precipitation during past Tornado(s) deeper than 6 station, NOT reaching the ground or the ground or the at the station hour during the feet on land deeper than 6 ground surface of the surface of the preceding feet on land sea, but sea, near to hour or at distant, i.e. (within 3 time of estimated to miles), but not observation be more than at the station 3 miles from the station Codes 20-29 General Group: Precipitation, fog, ice fog, or thunderstorm at the station during the preceeding hour but not at the time of observation. 20 21 22 23 24 25 26 27 28 29 Drizzle (not Rain (not Snow not Rain and Freezing Shower(s) of Shower(s) of Shower(s) of Fog or ice fog Thunderstorm freezing) or freezing) not falling as snow or ice drizzle or rain ended in snow, or of hail, or of rain ended in the (with or snow grains falling as shower(s) pellets not freezing rain the past hour rain and snow and hail past hour without not falling as shower(s) ended in the falling as not falling as ended in the ended in the precipitation) shower(s) ended in the past hour shower(s) shower(s) past hour past hour ended in the ended in the past hour ended in the ended in the past hour past hour past hour past hour Codes 30-39 General Group: Duststorm, sandstorm, drifting or blowing snow. 30 31 32 33 34 35 36 37 38 39 Slight or Slight or Slight or Severe Severe Severe Slight or Heavy drifting Slight or Heavy drifting moderate moderate moderate duststorm or duststorm or duststorm or moderate snow moderate snow duststorm or duststorm or duststorm or sandstorm sandstorm sandstorm drifting snow (generally blowing snow (generally sandstorm sandstorm sandstorm has has no has begun or (generally below eye (generally above eye (has (no (has begun or decreased appreciable increased below eye level) above eye level) decreased appreciable increased during the change during during the level) level) during the change during during the preceding the preceding preceding preceding the preceding preceding hour hour hour hour) hour) hour) Codes 40-49 General Group: Fog at the time of observation. 40 41 42 43 44 45 46 47 48 49 Fog at a Fog in Fog sky Fog sky Fog sky Fog sky Fog sky Fog sky Fog, Fog, distance at patches visible (has obscured (has visible (no obscured (no visible (has obscured (has depositing depositing the time of become become appreciable appreciable begun or has begun or has rime ice, sky rime ice, or observation, thinner during thinner during change during change during become become visible ice fog, sky but not at the preceding preceding the preceding the preceding thicker during thicker during obscured station during hour) hour) hour) hour) the preceding the preceding the preceding hour) hour) hour, the fog or ice fog extending to a level above that of the observer Codes 50-59 General Group: Drizzle. 50 51 52 53 54 55 56 57 58 59 Drizzle, not Drizzle, not Drizzle, not Drizzle, not Drizzle, not Drizzle, not Drizzle, Drizzle, Drizzle and Drizzle and freezing, freezing, freezing, freezing, freezing, freezing, freezing, freezing, rain, slight rain, intermittent continuous intermittent continuous intermittent continuous slight moderate or moderate or (slight at time (slight at time (moderate at (moderate at (heavy at time (heavy at time heavy heavy of of time of time of of of observation) observation) observation) observation) observation) observation) Codes 60-69 General Group: Rain. 60 61 62 63 64 65 66 67 68 69 Rain, not Rain, not Rain, not Rain, not Rain, not Rain, not Rain, Rain, Rain or drizzle Rain or drizzle freezing, freezing, freezing, freezing, freezing, freezing, freezing, freezing, and snow, and snow, intermittent continuous intermittent continuous intermittent continuous slight moderate or slight moderate or (slight at time (slight at time (moderate at (moderate at (heavy at time (heavy at time heavy heavy of of time of time of of of observation) observation) observation) observation) observation) observation) Codes 70-79 General Group: Solid precipitation not in showers. 70 71 72 73 74 75 76 77 78 79 Intermittent Continuous Intermittent Continuous Intermittent Continuous Ice needles Snow grains Isolated star- Ice pellets fall of fall of fall of fall of fall of fall of (with or (with or like snow (sleet) snowflakes snowflakes snowflakes snowflakes snowflakes snowflakes without fog) without fog) crystals (with (slight at time (slight at time (moderate at (moderate at (heavy at time (heavy at time or without fog) of of time of time of of of observation) observation) observation) observation) observation) observation) Codes 80-89 General Group: Showery precipitation, or precipitation with current or recent thunderstorm. 80 81 82 83 84 85 86 87 88 89 Rain Rain Rain Shower(s) of Shower(s) of Snow Snow Shower(s) of Shower(s) of Shower(s) of shower(s), shower(s), shower(s), rain and snow rain and snow shower(s), shower(s), snow pellets snow pellets hail, with or slight moderate or violent mixed, slight mixed, slight moderate or or small hail, or small hail, without rain or heavy moderate or heavy slight with or moderate or rain and snow heavy without rain or heavy with or mixed, not rain and snow without rain or associated mixed rain and snow with thunder, mixed slight Codes 90-99 General Group: Showery precipitation, or precipitation with current or recent thunderstorm. 90 91 92 93 94 95 96 97 98 99 Shower(s) of Thunderstorm Thunderstorm Thunderstorm Thunderstorm Thunderstorm, Thunderstorm, Thunderstorm, Thunderstorm Thunderstorm, hail, with or during the during the during the during the slight or slight or heavy, without combined heavy, with without rain or pre- ceding pre- ceding pre- ceding pre- ceding moderate, moderate, hail but with with hail at time of rain and snow hour but not hour but not hour but not hour but not without hail with hail at rain and or duststorm or observation mixed, not at time of at time of at time of at time of but with rain time of snow at time sandstorm at associated observation observation observation observation and or snow observation of observation time of with thunder, with slight with moderate with slight with moderate at time of observation moderate or rain at time of or heavy rain snow, or rain or heavy observation heavy observation at time of and snow snow, or rain observation mixed, or hail and snow at time of mixed, or hail observation at time of observation Back: Weather Map Plots National Weather Service Southern Region Headquarters 819 Taylor Street, Room 10A06 Fort Worth, TX 76102 Webmaster's E-mail: [email protected] Page last modified: January 5, 2010.