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<br />. <br /> <br />e <br /> <br />(0000 GMT) which continued to develop throughout <br />the night, .. <br /> <br />August 8, 1977 <br /> <br />Thunderstorms formed along the north <br />side of the Palmer Divide (near Limon) after 1300- <br />MDT (1900 GMT) and moved southeastward into the <br />line of thunderstorms formed to the southwest, <br />Both systems merged south of Goodland by about <br />2200 MDT (0400 GMT). <br /> <br />Auqust 24, 1977 (MESOCU Study) <br /> <br />Advection of high water-vapor content <br />with strong southerly flow. Afternoon thunder- <br />. storms developed but appeared to have bases above <br />the mixed layer and never built to large propor- <br />tions~ During the early evening, a strong line of <br />thunderstorms developed in eastern Colorado. The <br />line was approximately 500 km long and appeared to <br />have its roots in the low-level flow, The syst~m <br />moved across Goodland at approximately 2300 MDT <br />(0500 GMT). Figures 5 and 6 are the streamline <br />and isentropic analyses for this day, <br /> <br />- <br /> <br />May 24, 1978 (MESOCU Study) <br /> <br />Apparent weak meso-high pushing south <br />over the operating area, Thunderstorm formed <br />south of Goodland but died out as the meso system <br />moved under it. New thunderstorms formed from <br />. ~uthwest to northwest and gradually moved east- <br />ward after 1600 MDT (2200 GMT). Figures 7 and 8 <br />are the streamline and isentropic analyses for <br />May 24th. Figures 9a, b, and c show the meso- <br />scale development from the satellite imagery. <br />Table 1 contains a summary of the major stability <br />and moisture indices for each day, <br /> <br /> <br /> <br />C~. <br />.-J <br /> <br />~t: It. un <br /> <br />lIOO QIr <br /> <br />~ <br /> <br />J <br /> <br />Figure 5. Surface streamline analysis for <br />1800 GMT for August 24, 1977. <br /> <br /> <br /> Table 1. Summary of major moisture and <br />stability indices from the 1800 GMT Goodland <br />sounding. <br /> Mean Lifted Total K Precip-. <br /> Mixing Index Totals Index itable <br />Date Ratio (10 kPa) Index Water <br /> (lowest (em) <br /> 10 kPa) <br /> (gm/kg) <br />May 24, <br />1977 8.81 -1.8 51.8 30.5 2.13 <br />June 2, <br />1977 10.68 -6.4 59.4 32.7 2.27 <br />July 2, <br />1977 . 9.31 -2.2 52.0 30.5 2.49 <br />Aug. 6, <br />1977 11.35 -3.4 51.2 21.7 2.34 <br /> .r- 31Z. <br />Aug. 24, <br />1977 . 13.63 -8.1 54.6 31.9 1.20 o\u91U!c u. a17 llau QIf <br />May 24, r--.... J <br />1978 · 7.27 -4.1 58.6 36,5 1.86 <br /> <br />e <br /> <br />., MESOCU Study <br /> <br />lII.- <br /> <br />gigure 6. Surface isentropic analysis <br />(every 4 ) for 1800 GMT for August 24, 1977. <br /> <br />182 <br />