Show EXPERT EXPLAINS HEAVY RAINFALL IN cloudburst why a cloudburst may yield many times as much rain as all the nater ater in the cloud when the rain begins Is explained by charles P r talman alman well known meteorologist at df the united states weather eather bu reau in an account tor for the ameri amerl can nature association or of washing t ton on says the baltimore sun even the densest clouds never con tain more than about one part of water to SO 30 parts of air which Is far much less than the water in many so called cloudbursts which have been observed and measured even it if every bit of cloud condensed and fell as rain at the same instant it Is a usual experience also that the clouds do not vanish during a cloudburst but are apparently just as thick and dense afterward as be fore mr talman explains that tha t a cloud burst really Is an especially sudden and violent thunder storm in which great currents of warm moist air from close to the ground rush rap idly a mile or more up into the at biosphere mo sphere are cooled suddenly sud deni lr by this rise and give up their load of ot moisture in the form of raindrops the rapid up currents of air may leep 1 beep most of these raindrops aloft for a while but presently tho the upward air currents shael en and billions 1 s 0 of f the s suspended u s droplets fall lon the a as a v violent 1 ole r rain a 1 n the water in one of these sudden falls may have been drawn from the low air tor for many squire miles around the spot where the cloud burst happens what may have been i the worlds record cloudburst Is described as 24 inches of rain 1 in less than five minutes bet mr talman Is skeptical the MAXIMUM acceptable record Is one of about an inch of rain in a minute which tell fell in california in 1020 1026 |