Definition of Heat Index: The heat index is an estimate of how hot the air “feels” to the human body and provides a relative indication of potential health risks. Among others, the two primary factors in the heat index equations are temperature and water vapor (i.e., moisture/humidity). Humidity affects the efficacy of perspiration to evaporatively … Read more
Currently at Dallas/Fort Worth (DFW) The temperature is: DFW’s heat index is: °F Current Conditions Around N. TX How many days until fall? It’s pretty much a given that summertime in North Texas will be hot. However, there is a fine line between “hot” and dangerously hot. In other words, “only” a few degrees can … Read more
Introduction The title is a question that is frequently asked of meteorologists, especially in the wake of an abnormally warm or cool season; it is a topic of interest among atmospheric scientists and the general public alike. In this article, we will attempt to answer this question using climatology, casting aside gut feelings and old … Read more