TABLE 2k (Cont'd) 



Conversion from 1936 International Meteorological Organization Code to the 



WMO Code 4501 



WMO 



Code 



THUKDERSTOEM ^4-501 



(modified) 



90 Thunderstorm 9 



91 Rain at time ) thunderstorm during last hour, but not at 9 



92 Snow, or sleet at time ) time of observation. 9 



93 Thunderstorm, slight vithout hail or soft hall, 9 

 but with rain (or snow) 



9k Thunderstorm slight with soft hail \ 9 



95 Thunderstorm moderate without hail, but with J 9 

 rain (or snow) / 



96 Thunderstorm moderate with soft hall f ^t time of 9 



97 Thunderstorm heavy without hail, but with / observation. 9 

 rain (or snow) I 



98 Thunderstorm combined with dust storm j 9 



99 Thunderstorm heavy with hail / 9 



63 



