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<br />~ <br /> <br />3.8 Canputer System <br /> <br />A Data General mini -c:cmputer system will be <br />located at the Operations Center. This system has the capability <br />to digitally record selected radar echo data. The system can dis- <br />play the radar echo intensities on a CRT display unit which also <br />has provisions for construction of a paper copy of the display. <br />This on-site c:cmputer system also contains software for rawinsonde <br />analysis, convective cloud rrodel c:cmputations, and statistical <br />analysis routines. <br /> <br />When seeding operations are in progress, PPI <br />and/or RHI scans of significant echoes will be routinely ll'ade at <br />15 minute intervals. If the digital display is inoperative, these <br />15 minute echo records will be ll'ade by direct photography of the <br />radar scope (PPI or RHI) using a 35nm canera. <br /> <br />The Ern carputer terminal will be used to <br />routinely access data needed for operational decisions such as <br />uprirrl sOlmding and !lOdel nms, upper air and surfaoe analysis, <br />hourly sequences, and severe weather warnings. <br /> <br />The local atrrospheric soundings taken at t11e <br />Lakin radar site (normally taken at l800Z) shall be processed into <br />the EI:N within one hour after ascent. <br />