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Get the Chapel Hill, NC local weather forecast by the hour and the next 10 days. ... Chapel Hill, NC Add / Edit. Clear. 38 ... 7:19AM Sunrise. 65% Humidity. 29.80 in Pressure--UV Index. 5:41PM ...
The National Weather Service has issued a Hazardous Weather Outlook for central North Carolina. The hottest days are still ahead. How to stay safe.
Get the Chapel Hill, NC local weather forecast by the hour and the next 10 days. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways ...
Heat index graph: Image title: Comparison of National Weather Service heat index values (circles) with the formula approximation in the Wikipedia article (curves), by CMG Lee. In the SVG file, hover over a graph to highlight it. Width: 100%: Height: 100%
A generalized view of the heat index showing how the perception of heat by the human body increases with temperature but more rapidly at higher humidity levels. The heat index of a given combination of temperature and humidity is defined as the dry-bulb temperature which would feel the same if the water vapor pressure were 1.6 kPa. Quoting ...
How hot does it actually feel in Fort Worth right now?
The North American formula was designed to be applied at low temperatures (as low as −46 °C or −50 °F) when humidity levels are also low. The hot-weather version of the AT (1984) is used by the National Weather Service in the United States. In the United States, this simple version of the AT is known as the heat index.
That's the heat index. Here's how it works. The temperature on a summer day may be in the 80s or 90s. So why does it feel so much hotter? That's the heat index. Here's how it works.