40 INSTRUCTIONS TO MARINE METEOROLOGICAL OBSERVERS 



UKIZZLK 



(Precipitation consisting of numerous minute drops) 



50 Drizzle. 



51 Intermittent 1 i- , . t . , 



52 Continuous T^^-^^* '^'''^^^'^■ 



53 Intermittent 1 , ^ ^ ■ , 



54 Continuous | "moderate drizzle. 



55 Intermittent 1 . , • , , . , 



56 Continuous /"^^^^^ ^^"^^1<^- 



57 Drizzle and fog. 



58 Slight or moderate! , . , , 



59 nruLi. l>drizzle and r 



ain. 



KAIN 



60 Rain. 



61 Intermittent"! ,. , . 



62 Continuous ^'^^^ ^''''''- 



63 Intermittent"! , . 



^, /-< J.- ^moderate ram. 



64 Continuous J 



65 lutermittentl , 



nr, {, ^- Mieavv ram. 



66 Continuous j 



67 Rain and fog. 



68 Slight or moderate \,„. , . , 



69 Heavy T'^'" '^''^^ ^"•*^^'' ""^^d. 



SNOW 



70 Snow (or .snow and rain, mixed). 



71 Intermittent"! ,• , . • ^ i 



72 Continuous P^^sht snow m flakes. 



73 Intermittent),,,^, . • « , 



74 Continuous ["lo^^t-rate snow in flakes. 



75 lutermittentl ,,„,, • ^ i 



76 Continuous r""'^ ^"•^^^' "^ ^^^^^- 



77 Snow and fog. 



78 Clrains of snow (frozen drizzle). 



79 Ice crystals; or frozen raindrops (sleet — U. S. definition). 



SHOWER (S) 



80 Shower (s). 



81 Shower (s) of slight or moderate \ 



82 Shower (s) of heavy l^"'^^"- 



83 Shower (s) of slight or moderate "i 



84 Shower (s) of heavy j>.snow. 



85 Shower (s) of slight or moderatol . , 

 oi? t5i /„. „j^ !,„„.... >raiii and snow. 



86 Shower (s) of heavy 



87 Shower (s) of snow pellets (soft hail). 



88 Shower (s) of slight or moderate"!, „., . i i ■, 

 CA or. / ( 45 1 Miail, or ram and hail. 



89 Shower (s) of heavy J 



THUNDERSTORM 



90 Thunderstorm. 



91 Rain at time "1 



92 Snow, or rain and I thunderstorm during last hour, but not at time of 



snow, mixed, at [ observation, 

 time J 



93 Thunderstorm, slight without hail or soft hail, but with rain 



(or snow) 



94 Thunderstorm .slight with soft hail 



95 Thunderstorm moderate without hail, but with rain (or 



.snow) 



96 Thunderstorm moderate with soft hail 



97 Thunderstorm heavy without hail, but with rain (or snow) 



98 Thunderstorm comliined with dust storm 



99 Thunderstorm heavy with hail 



at time of 

 observation. 



