12-11-2018 Northwest Avalanche Center Alpental Ski Area, Washington Nov 19: wind measurements using new RMYoung instrument summit Denny Mtn 5520' RMYoung unheated and may rime Snow measurements not installed/calibrated for the season MM/DD Hour Temp Temp Temp RH RH Wind Wind Wind Hour Total 24 Hr Total 24 Hr Total Inter PST F F F % % Avg Max Dir. Prec. Prec. Snow Snow Snow Snow Snow 5470' 4350' 3100' 3100' 5470' 5520' 5520' 5520' 3100' 3100' 3100' 3100' 4350' 4350' 5470' ------------------------------------------------------------------------------------------------------ 12 10 1500 26 30 33 99 100 7 15 253 .02 .02 0 30 1 283 3 12 10 1600 26 29 33 99 100 6 9 250 .05 .07 0 30 2 283 3 12 10 1700 24 29 32 99 97 9 15 259 .01 .08 0 29 2 283 3 12 10 1800 25 29 33 99 97 7 10 256 0 .08 0 29 2 283 3 12 10 1900 25 29 33 100 99 6 9 248 0 .08 0 29 2 283 3 12 10 2000 26 29 32 99 100 5 8 235 0 .08 0 29 2 283 3 12 10 2100 26 29 33 100 100 6 9 241 .01 .09 0 30 1 283 3 12 10 2200 27 29 32 100 100 5 8 239 .01 .1 0 29 2 33 3 12 10 2300 26 29 33 99 100 5 7 213 0 .1 0 30 2 283 3 12 11 0 26 29 32 100 99 6 7 177 0 .1 0 30 2 32 3 12 11 100 25 28 32 100 98 5 8 169 0 .1 0 29 2 283 3 12 11 200 25 27 32 100 97 6 8 159 .01 .11 1 30 2 283 3 12 11 300 25 27 32 100 97 6 8 151 .03 .14 2 27 3 283 3 12 11 400 24 26 31 100 96 7 9 153 .03 .17 2 30 3 33 3 12 11 500 25 26 30 100 98 8 9 149 .11 .28 3 31 5 33 3 12 11 600 24 25 29 100 95 7 9 160 .13 .41 3 34 5 34 3 12 11 700 24 24 29 99 98 8 9 168 .11 .52 4 34 5 35 3 12 11 800 27 24 28 99 100 7 10 193 .15 .67 0 35 6 34 3 12 11 900 28 24 28 98 100 8 9 218 .13 .8 0 35 0 37 3 12 11 1000 28 25 28 98 100 10 15 238 .1 .9 1 35 0 35 3 12 11 1100 30 26 28 98 100 11 18 238 .15 1.05 2 36 2 35 1 12 11 1200 31 30 30 99 100 13 21 229 .24 1.29 2 36 2 37 1 12 11 1300 31 30 31 99 100 14 24 231 .3 1.59 3 37 3 39 1 12 11 1400 32 31 99 .34 1.93 3 37 3 41 Total Prec. 3100' ------------------------------------------------------------------------ 1.93 Page 1