National Weather Service United States Department of Commerce

All of North and Central Texas is under an Excessive Heat Warning today through Sunday. Temperatures will rise to well past the century mark each afternoon, with temperatures likely to reach record levels in many locations. These temperatures can result in heat-related illness quickly for those working outdoors. Never leave young children or pets in an enclosed vehicle, even for a short time, as temperatures can rise quickly to life- threatening levels.
Very hot temperatures will continue through this weekend and into early next week. Some areas will be near or surpass record temperatures, and it appears likely that both DFW and Waco will break their daily high temperature records tomorrow (Friday) and again on Saturday. Maximum heat index values will be in the 103-113 degree range. If you're outdoors, be sure to stay hydrated, take frequent breaks, and seek shaded areas!
With the upcoming stretch of oppressive heat, here are some heat safety tips!
Here's the difference between the Heat Advisory vs. Excessive Heat Warning. Regardless of the products in effect, you need to be sure that you are prepared. Drink plenty of water, dress of heat and reduce your time in the sun. Help the elderly, kids and pets stay cool! Never leave children, disabled adults or pets in parked vehicles. Beat the heat, check the backseat!
With extreme heat in the forecast, make sure you can recognize heat- related illness symptoms! El calor extremo esta en el pronostico... Asegurese de que pueda reconocer los sintomas de enfermedades relacionadas con el calor.

 
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Experimental Convective Parameters For North Texas

The National Weather Service in Fort Worth is now offering Experimental Convective Parameters on this website!

The analysis is computed using surface observation data and the latest RUC model for all upper level data.  This is different from the SPC mesoanalysis web page, because no model analysis is used for the surface fields.  This means our analysis is heavily weighted to the latest surface observation. Thus, some small "bulls-eye" type areas may occur if a surface observation is outlying or incorrect.  Bad observations are periodically quality controlled by forecasters and removed.  The advantage to this technique is that our convective parameters will have a higher resolution and be capable of rapid adjustments if the atmosphere is rapidly changing.

The parameters are generated hourly, with the generation process starting around 15 minutes past the hour. The images should be available by 20 past each hour.

We are currently producing the following images:

Thumbnail image showing an example of the convective interest parameter.