Show EXPERT EXPLAINS HEAVY Y RAINFALL IN cloudburst why a cloudburst may yield many times as much rain as all ail the water in the cloud when the rain begins Is explained by charles F talman well known know n meteorologist of the united states weather bureau in an account for the american nature association of washington says the baltimore sun even the densest clouds never contain more than about one martof part of water to parts of air which Is far much less than the w water ater in many so called cloudbursts which have been observed and measured even it if every bit of 0 cloud condensed condense d 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 ai thick and dense afterward as be fore clr talman explains that a cloudburst really is an espe especially lally sudden and A nd violent thunder storm in which great currents of warm moist nil air from close to the ground rush rap idly a mile or more up into the at nao biosphere sphere ore are cooled suddenly by this rise and give up their load of 0 moisture in the form of raindrops the rapid up currents of air may keep most of these raindrops aloft for a while but presently the upward air currents slacken and billions of the suspended droplets fall as a violent vi n t rain r a ln ast olat the he w water e r 1 in n 0 one ne of these sudden tails falls may have been drawn from the low air for many square miles mile around the spot where the cloudburst happens what may have been the worlds record cloudburst Is described as 21 24 indies inches of rain falling in less than five minutes but mr talman Is skeptical the maximum acceptable record Is one of about an inch of rain in n R minute which tell fell in california in 1920 |