|
|
22 SAFETY Operator Safety Windchill/Temperature Charts The following information is provided to help you determine when temperatures become dangerous for riding. Estimated Wind Speed in MPH Actual Thermometer Reading (°F) Speed in MPH 50 40 30 20 10 0 -10 -20 -30 -40 -50 -60 Equivalent Temperature (°F) Calm 50 40 30 20 10 0 -10 -20 -30 -40 -50 -60 5 48 37 27 16 6 -5 -15 -26 -36 -47 -57 -68 10 40 28 16 4 -9 -21 -33 -46 -58 -70 -83 -95 15 36 22 9 -5 -18 -36 -45 -58 -72 -85 -99 -112 20 32 18 4 -10 -25 -39 -53 -67 -82 -96 -110 -124 25 30 16 0 -15 -29 -44 -59 -74 -88 -104 -118 -133 30 28 13 -2 -18 -33 -48 -63 -79 -94 -109 -125 -140 35 27 11 -4 -20 -35 -49 -67 -82 -98 -113 -129 -145 40 26 10 -6 -21 -37 -53 -69 -85 -100 -116 -132 -148 Wind Speeds Great- er Than 40 MPH Have Little Added Little Danger (For Properly Clothed Person) Increasing Danger Great Danger Have Little Added Effect Clothed Person) Danger From Freezing of Exposed Flesh WIND CHILL CHART (°C) Estimated Wind Speed in KPH Actual Thermometer Reading (°C) in KPH 5 0 -5 -10 -15 -20 -25 -30 -35 -40 Equivalent Temperature (°C) 0 5 0 -5 -10 -15 -20 -25 -30 -35 -40 10 1 -4 -11 -16 -22 -27 -33 -38 -45 -50 20 -4 -9 -17 -23 -29 -36 -42 -48 -54 -61 30 -7 -13 -21 -28 -35 -42 -48 -55 -63 -69 40 -9 -16 -24 -32 -39 -47 -53 -61 -69 -76 50 -11 -18 -26 -34 -41 -49 -57 -64 -73 -80 60 -12 -19 -27 -35 -43 -51 -59 -66 -75 -82 70 -13 -20 -28 -36 -44 -52 -60 -68 -76 -84 Wind Speeds Greater Than 70 KPH Have Little Added Effect Little Danger (For Properly Clothed Person) Increasing Danger Great Danger Added Effect Clothed Person) Danger From Freezing of Exposed Flesh |