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HEAT INDEX CHART. Use the chart below to assess the potential severity of heat stress. The chart should be used as a guideline only – individual reactions to the heat will vary among your athletes! Across the top of the chart, locate the ENVIRONMENTAL TEMPERATURE i.e., the air temperature.
Use the chart below when you have any question on participating or practicing. Cross-reference the relative humidity (top row) with the temperature (1 st column) to determine the humiture or apparent temperature chart.
HEAT INDEX INFORMATION & CHART. The heat index (HI) is an apparent temperature felt by the human body due to the combined effects of temperature and humidity. Most people understand that as the air temperature goes up, so does the heat index. But why does humidity play a role?
SIGNATURE. Normal activities – Provide at least three separate rest breaks each hour of minimum duration of 3 minutes each during workout. Use discretion for intense or prolonged exercise; watch at-risk players carefully; Provide at least three separate rest breaks each hour of a minimum of 4 minutes duration each.
For the current Heat Index, go to www.noaa.gov to enter your location. The Heat Index will be listed under Detailed Forecast, Current Conditions and/or Hourly Weather Graph, but only during excessively hot weather.
The ‘Heat Index’ is a measure of how hot weather "feels" to the body. This table uses relative humidity and air temperature to produce the "apparent temperature" or the temperature the body "feels".
best way to ascertain the heat stress on athletes is by using a Heat Index chart. The ambient temperature and humidity are readily available on an hourly basis from most weather services and the Heat Index can then be accurately assessed using the chart below:
