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<br /> <br />METEOROLOGY, HYDROLOGY, BIG THOMPSON RIVER AND CACHE LA POUDRE RIVER BASINS <br /> <br /> 50 <br /> J' <br /> 45 <br /> J ~ <br /> w <br /> ~ <br /> ~ <br /> 0 <br /> 40 '" <br /> \ 0 <br /> z <br /> <( <br /> '" <br /> =- <br /> 0 <br /> 35 " <br /> >- <br /> \ <': <br /> ...1 <br /> w <br /> > <br /> 30 w <br /> ~ <br /> \ <( <br /> w <br /> '" <br /> Z <br /> <( <br /> 25 w <br /> ::; <br /> J' w <br /> > <br /> 0 <br /> "' <br /> <( <br /> 20 w <br /> 0 <br /> =- <br /> >- <br /> J' 5 <br /> <( <br /> 15 <br /> LFC <br /> "" 10 <br /> --If L <br /> 5 <br />Serthoud .. <br /> 0 <br />30 40 50 <br /> <br />OISTANCE FROM STORM MOUNTAIN, IN MILES <br />10 0 10 <br /> <br />20 <br /> <br /> 20 <br /> 16 <br /> 17 <br /> 16 <br /> 15 <br />'" 14 <br />'" <br />w <br />~ <br />::; 13 <br />~ <br />0 <br />'" <br />0 12 <br />z <br /><( <br />'" <br />=- <br />0 11 <br />" <br />>- <br /><': <br />...1 10 <br />w <br />> <br />w <br />~ <br /><( 9 <br />w <br />'" <br />z 8 <br /><( <br />w <br />::; <br />w <br />> 7 <br />0 <br />"' <br /><( <br />w 6 <br />0 <br />=- <br />>- <br />5 5 <br /><( <br /> 4 <br /> 3 <br /> 2 <br /> <br />.. SCHEMATIC LINES OF AIRflOW <br />IIIIII11111 SCHEMATIC AREA OF RAINFALL <br /> <br /> <br />-~'::::.... --- <br /> <br />250C <br /> <br />OOC <br /> <br />o <br />40 <br /> <br />Sllltnljl.j <br />Mountaii! . <br />',..~T~;:pson <br /> <br /> <br />o 10 20 <br /> <br />30 <br /> <br />20 <br /> <br />10 <br /> <br /> <br />OISTANCE FROM STORM MOUNTAIN, IN KILOMETERS <br /> <br />EXPLANATION <br /> <br />-LFC- <br /> <br />-LCL- <br /> <br />LEVEL OF FREE CONVECTION <br /> <br />LIFTED CONDENSATION lEVEL <br /> <br />-15- RADAR REflECTIONS OBSERVED AT GROVER, COLO. -Dashed <br />where approximately located. Interval 10 dBZ <br /> <br />45 <br /> <br />30 <br /> <br />60 <br /> <br />55 <br /> <br />J' <br /> <br />WIND-DIRECTION AND SPEED OBSERVATION.-Shaft indi- <br />cates wind direction; north is at top. Barbs on shaft indicate <br />windspeed,in knots. Aag= 50 knots; long barb =10 knots; <br />shortbarb=5knats <br /> <br />-00- liNE OF EQUAL AIR TEMPERATURE, IN DEGREES CElSIUS.- <br />Dashed within the cloud <br /> <br />FIGURE 39.-Physical model of the thunderstorms over the Big Thompson River area at 1845 MDT, July 31. 1976. <br />