Heat Index Chart Printable Pdf

Note This Heat Index chart is designed to provide general guidelines for assessing the potential severity of heat stress. Individual reactions to heat will vary. It should be remembered that heat illness can occur at lower temperatures than indicated on the chart. In addition, studies indicate that susceptibility to heat disorders tends to

105 - 130 Heat cramps of heat exhaustion likely. Heat stroke possible. 130 and up Heat stroke very likely. Caution This chart provides guidelines for assessing the potential severity of heat stress. Individual reactions to heat will vary. Heat illnesses can occur at lower temperature than indicated on this chart. Exposure to full

How To Use Heat Index Locate today's predicted high temperature across the top line air temp. Down the left side relative humidity locate today's predicted humidity. Follow across and down to find quotApparent Temperaturequot or quotWhat it feels likequot. Keep in mind, this chart was devised for shady, light wind conditions, so exposure

The 'Heat Index' is a measure of how hot weather quotfeelsquot to the body. This table uses relative humidity and air temperature to produce the quotapparent temperaturequot or the temperature the body quotfeelsquot. These values are for shady locations only. Exposure to full sunshine can increase heat index values by up to 15F. Also, strong winds,

Heat Index Temperature OF 90 92 94 96 91 94 97 101 93 96 98 109 113 117 123 100 114 118 124 102 104 106 108 110 119 124 124 137 137 95 99 103 97 108 112 116 121 32 103 108 110 114 119 124 135 112 109 116 106 113 121 110 117 113 122 31 117 98 100 108 103 of Heat Dis orders Prolonged Exposure or Streuous Activity

Heat Index Chart Temperature EF Relative Humidity 80 82 84 86 88 90 92 94 96 98 100 102 104 106 108 110 Likelihood of Heat Disorders with Prolonged Exposure andor Strenuous Activity ' Caution ' Extreme Caution ' Danger ' Extreme Danger. nORR . Created Date

Find the corresponding temperature and RH on the chart. The box that connects the two numbers will contain the current heat index HI Notice the color of this box. 3. Find the box with the same color and read about the health effects of the Heat Index and safety recommendations to follow. Extreme Danger . Danger Extreme Caution

Draft 2418 Appendix A - Heat Index Chart Heat Index in Degrees Fahrenheit Relative Humidity 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100

Figure 1. Heat Index . This chart is titled National Weather Service Heat Index in blue text in the upper left corner. It has the x- axis on top, which denotes temperature in degrees Fahrenheit going from 80 on the left to 110 on the right in increments of two. The y-axis, on the left axis, denotes relative humidity in percent going from

SECTION 4 HEAT INDEX ACTION CHART Plan site controls based on daily heat index levels. HEAT INDEX RISK LEVEL REQUIRED ACTION 80-89 F Caution Encourage hydration, monitor new workers 90-103 F Moderate Provide cooling breaks every hour 104-124 F High Enforce restshade intervals, add cooling PPE 125 F Extreme Suspend or reschedule work