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<br /> <br />METEOROLOGY, HYDROLOGY, BIG THOMPSON RIVER AND CACHE LA POUDRE RIVER BASINS 27 <br /> <br />1150 <br /> <br />I~ "0 <br />~, ." :- <br />D 0 \0 Qi),_ .,""j <br />" 0 I <br />00 ' <br />o <br /> <br /> <br />16'0 <br />liJO <br />--~~ <br /> <br />L "0,, <br />__ ,,0_0_ <br />r- ... <br /> <br />TRW <br />--'ISO LD- <br />TRW++ <br /> <br /> <br />----.8 --.-- -, Q <br />" {} <br /> <br />35' <br /> <br />-='" <br />~ <br /> <br />. <br /> <br />. <br /> <br />H <br />L <br /> <br />-25 <br /> <br /><D <br /> <br />) {}~ <br /> <br />. 01 <br />.7 TRW+ iO <br /> <br />., <br />o <br /> <br />1100 <br /> <br />110" <br /> <br />1050 <br /> <br />{} <br />0"-- <br />to <br /> <br />o_~. <br /> <br />100" <br /> <br />95' <br /> <br />{} <br /> <br />Lo <br /> <br />H <br /> <br />I <br />O. I <br />{) 0 <br />10 (J <br /> <br />o <br />000 <br />o " <br />" <br />00 <br /> <br />1050 <br /> <br />o <br />I <br /> <br />100 <br />I <br /> <br />300 <br />TRW <br /> <br />NO ECHOES <br /> <br />EXPlANA TI 0 N <br /> <br />AREA OF RADAR ECHOES. -Usually interpreted as an <br />area with precipitation <br />COLD FRONT -Ddshed where dissipating <br />STATIONARY FRONT <br />SQUALL LINE <br /> <br />GEOGRAPHIC CENTER OF HIGH-PRESSURE SYSTEM <br /> <br />. <br /> <br />- <br /> <br />GEOGRAPHIC CENTER OF lOW-PRESSURE SYSTEM <br />DIRECTION (ARROW) AND SPEED (NUMBER) OF <br />ECHOES -Speed, in knots <br />SCATTERED ECHOES IN AREA <br /> <br />- <br /> <br />-- <br /> <br />~ -- - <br /> <br />r-~ <br /> <br />25 <br />-.m. __:,,/ <br />~. "L -!iCi--="- 170 <br />-tD-- ".,,- <br />180 z ,,!_ - <br /> <br />RW- <br />RW <br /> <br />-- <br /> <br />, <br />-. <br /> <br />40' <br /> <br />f--- <br /> <br />( <br /> <br />TRW <br />TRW+/+ <br /> <br />430 <br />-~ <br /> <br />-/1'0 <br /> <br />35' <br /> <br />NO ECHOES <br /> <br />..J 'J <br /> <br />1000 <br /> <br />200 <br />I <br /> <br />300 <br />I <br /> <br />400 MILES <br />I <br /> <br />430 <br />~ <br />TAW <br />TRW+ <br />TRW++ <br />TRW+/+ <br />TRWx/+ <br /> <br />LOCATION OF ECHO. -430=maximum observed al- <br />titude of top of echo, in hundreds of feet. 430=43,000 <br />feet <br />MODERATE THUNDERSTORM <br />HEAVY THUNDERSTORM <br />VERY HEAVY THUNDERSTORM <br />HEAVY THUNDERSTORM, INCREASING IN INTENSITY <br />INTENSE THUNDERSTORM, INCREASING IN INTEN- <br />SITY <br />LIGHT RAIN SHOWER <br />MODERATE RAIN SHOWER <br />ISOLATED <br /> <br />RW- <br />RW <br />ISOLO <br /> <br />FIGURE 22.-Radar summary for 1535 MDT, with locations of fronts and squall line for 1600 MDT, July 31, 1976. <br />