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Texas has been baking in record heat since the weekend, and the rest of the week will be no exception. Record highs are expected Thursday from Roswell, New Mexico, to Galveston, Texas, forecasts show.
An excessive heat warning is a notice issued by the National Weather Service of the United States within 12 hours of the heat index reaching one of two criteria levels. In most areas, a warning will be issued if there is a heat index of at least 105 °F (41 °C) for more than three hours per day for two consecutive days, or if the heat index is greater than 115 °F (46 °C) for any period of time.
Summer heat scorched Texas and the Southwest on Wednesday, pushing Phoenix to nearly 90 consecutive days of triple-digit temperatures and putting millions of people under excessive heat warnings.
An excessive heat watch is a notice issued by the National Weather Service of the United States when the high temperatures reach anywhere within the range of 95 °F (35 °C) and 100 °F (38 °C) in the continental US.
Scorching heat blamed for at least 13 deaths in Texas and another in Louisiana blanketed more of the Southeast on Wednesday, stretching government warnings of dangerous, triple-digit temperatures ...
A heat advisory is a notice issued by the National Weather Service of the United States. Local offices often have their own criteria. Local offices often have their own criteria. High values of the heat index are caused by temperatures being significantly above normal and high humidities , and such high levels can pose a threat to human life ...
Heat index values up to 109 degrees or temperatures up to 104 degrees expected for portions of north central, northeast, and south central Texas until 9 p.m. Thursday.
Excessive heat watch NPW – Conditions are favorable for an excessive heat event with extreme Heat Index values during the day, combined with nighttime low temperatures of 80 °F (27 °C) or higher that limit perspiration recovery, are forecast to occur to meet or exceed local Excessive Heat Warning criteria in the next 24 to 72 hours. [32]