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<br />3, Height and temperature of convective cloudbases <br /> <br />4. Height and temperature of maximum tops of convective clouds <br /> <br />5. Height of the minus 100C level <br />6. Potential for seve~e weather <br /> <br />7. Maximum surface temperature <br /> <br />8. Wind velocities at the surface and 850, 700, and 500 mbar <br /> <br />9. Timing, type (R, RW, TRW), and approximate amount of any precipitation <br />within the experimental area. <br /> <br />In addition, a brief "word forecast" will be prepared describing the <br /> <br />general synoptic situation prevailing at the time the forecast is issued <br /> <br />and changes expected during the forecast periods. <br /> <br />An additional requirement of the 1600 forecast is that the outlook for <br /> <br />the following day be described. The purpose of this forecast is to aid in <br /> <br />operational planning for personnel utilization and E~quipment maintenance, <br /> <br />Thus, the probability that the following day's weather will be unsuitable <br /> <br />for experimentation (that is, blue skies only) should be addressed. <br /> <br />D. Briefing Sessions <br /> <br />All available HIP LEX personnel are encouraged to attend the daily <br /> <br />briefing. It will begin promptly at 1115 with a foorecast for the period <br /> <br />1200 to dark. This will be followed by a status report on all major measure- <br /> <br />ment systems, The p~oject director, in consultation with key personnel from <br /> <br />each aircraft, will then decide the type(s) of mission to be attempted that <br /> <br /> <br />day (if any), and the probable timing of the mission(s). Depending upon <br /> <br /> <br />circumstances, the project director may choose to schedule a mission at a <br /> <br /> <br />definite time, to place mission crews on standby, or to have crews stand <br /> <br />" <br /> <br />II-:-4 <br />