Show EXPERT EXPLAINS HEAVY RAINFALL IN cloudburst why a cloudburst may yield anany times as much rain as all the ater water n in the cloud when the rain begins Is explained by bF charles F ralman well known meteorologist of at the united states weather bui bu reau in an account for the am amerl erl san ran nature association of washington says fays the llie baltimore sun even the densest clouds never contain more than about one part of water to 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 tore fore mr talman explains that a cloudburst really Is an especially sudden stud and violent thunder storm in which great currents of warm moist air from close to the ground rush rapidly a mile or more up into the at mo sphere are cooled suddenly by this rise and give fire up tip their load of moisture in the form of raindrops r t the rapid up currents of air mayr may keep most of these raindrops aloft for a while but presently the upward air currents slacken and billions of the suspended droplets fall fait as a violent rain the water in one of these sudden falls may have hare been drawn from the low air for many square miles around the spot where the cloudburst happens what may have been the worlds record cloudburst Is de dc as 21 inches of rain falling in lers than five minutes but mr talman Is skeptical the maximum acceptable record Is one of about an inch of rain in a minute which fell in california in I 1 |