In our October 2010 meeting, Pat Coe advised us of Wind-Chill effects while riding. Hypothermia occurs when body temperature falls below 95 degrees Fahrenheit. As we come near our Winter season, the chart below provides some eye-opening numbers.

Beginning November 2001, the National Weather Service implemented an updated Wind Chill Temperature index. One thing you may notice at the hotter end of the chart is that riding in heat doesn't actually cool you off with the wind, it actually feels hotter.

Wind Chill calculation: T(wc) = 35.74 + 0.6215T - 35.75(V^0.16) + 0.4275T(V^0.16)
where T(wc) is the Wind Chill in degrees F, V is the Wind Speed in MPH, and T is the temperature in degrees F.

105 100 95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 -5 -10 0 101 98 95 92 89 85 82 79 76 73 70 67 64 61 57 54 51 48 45 42 39 36 33 30 5 113 107 101 95 89 83 78 72 66 60 54 48 42 36 31 25 19 13 7 1 -5 -11 -16 -22 10 114 108 102 96 89 83 77 71 65 58 52 46 40 34 27 21 15 9 3 -4 -10 -16 -22 -26 15 115 109 102 96 89 83 77 70 64 57 51 45 38 32 25 19 13 6 0 -7 -13 -19 -26 -32 20 116 109 103 96 90 83 76 70 63 57 50 44 37 30 24 17 11 4 -2 -8 -15 -22 -29 -35 25 116 110 103 96 90 83 76 69 63 56 49 43 36 29 23 16 9 3 -4 -11 -17 -24 -31 -37 30 117 110 103 96 90 83 76 69 62 56 49 42 35 28 22 15 8 1 -5 -12 -19 -26 -33 -39 35 117 110 103 96 90 83 76 69 62 55 48 41 35 28 21 14 7 0 -7 -14 -21 -37 -34 -41 40 117 111 104 97 90 83 76 69 62 55 48 41 34 27 20 13 6 -1 -8 -15 -22 -29 -36 -43 45 118 111 104 97 90 83 76 69 61 54 47 40 33 26 19 12 5 -2 -9 -16 -23 -30 -37 -44 50 118 111 104 97 90 83 75 68 61 54 47 40 33 26 19 12 4 -3 -10 -17 -24 -31 -38 -45 55 118 111 104 97 90 83 75 68 61 54 47 40 32 25 18 11 4 -3 -11 -18 -25 -32 -39 -46 60 119 111 104 97 90 82 75 68 61 54 46 39 32 25 17 10 3 -4 -11 -19 -26 -33 -40 -48 65 119 112 104 97 90 82 75 68 61 53 46 39 32 24 17 10 2 -5 -12 -19 -27 -34 -41 -49 70 119 112 104 97 90 82 75 68 60 53 46 39 31 24 16 9 2 -6 -13 -20 -27 -35 -42 -49 75 119 112 104 97 90 82 75 68 60 53 46 38 31 23 16 9 1 -6 -13 -21 -28 -36 -43 -50 80 119 112 105 97 90 82 75 68 60 53 45 38 30 23 16 8 1 -7 -14 -21 -29 -36 -44 -51 85 120 112 105 97 90 82 75 67 60 52 45 38 30 23 15 8 0 -7 -15 -22 -30 -37 -44 -52 90 120 112 105 97 90 82 75 67 60 52 45 37 30 22 15 7 0 -8 -15 -23 -30 -38 -45 -53 95 120 112 105 97 90 82 75 67 60 52 45 37 29 22 14 7 -1 -8 -16 -23 -31 -38 -46 -53

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