Kane County Standard | 1930-09-12 | Page 6 | Thunderstorms

thunderstorm the thunderstorm Is owing to the hui rapid vertical convection coin ei lion of air con a largo large of water vapor the lower air dinst therefore ile he anth er cr varin annn say TO 70 degrees P F or f over behs else it boutil not carry tile the nivio of anter vapor and tho the delit ni atilt Ope rease rather anther rap lilly with in re ht height else there he be hut but little or r no convection now in tile tho skinnier suin nier time the lie ity lit in oregon and Is 8 ruth nith er low hence thunderstorms rener getter ally are improbable in the winter time when most latest of the rains come the surface commonly Is too cool to set up vigorous vertical convection alence thunderstorms are not Il likely liely thunderstorms are not frequent in oregon find washington any time of the yefto Thunders thunderstorms occur very in california