ett { [S, UNCLASKFIED encountered in procuring the necessary wind equipment through usar. The equipment received was found to be inccmplete. 2) Mis Progrems which vere initiated during the year are still eontinuing: a) Formation of semiquantitative forecasti niques for the local area based on statistical correlation s relationships betveen observed values of the pressure, tempere currence of precipitation, wind direction, and velocity, and t temperature extrema experienced at Los Alamos at a later tine. advantage of forecasting ty such a method is that a reliabilit; r index my be appended to such forecasts which should then prove nore useful in operational planning. Assembling of the necessary quantitias of data to permit of statistical treatment has been in progress s nce February, when teletype data became available to the Section. The problem of dispersion of the “Water-Bo ler* b) Reactor stack gases was taken under consideration by the Secti 1950, However, since available theories and equations on the during iepersion process are in the testing stage it will be necessary to analy; ea considerable baty of data before any conclusions may be drawn. present a gradual assembling of the date is underway, At the It is hbped that the Section will be able to begin analysis of it by March of 1951, - 23 - J lOuudED _ q