excessive heat warning
Extreme temperature advisory
An excessive heat warning is a weather alert issued when dangerously high temperatures are expected—typically when the heat index will reach 105°F (40°C) or higher for extended periods.
The warning signals conditions that pose serious health risks, especially for vulnerable populations: The National Weather Service issued an excessive heat warning for the weekend.
Unlike a heat advisory, which indicates discomfort, an excessive heat warning indicates potentially life-threatening conditions.
- heatwaveProlonged abnormally high temperatures
- heat domeStationary high-pressure extreme warmth
- swelteringExtremely hot, uncomfortably so
- scorchingExtremely hot, burning
- blazingBurning very brightly
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- weather alertsweather alert, weather advisory, severe weather alert, heat advisory, wind advisory
excessive heat warningextreme cold warning
Alert for dangerous freezing temperatures
freeze warning · frost advisory · winter storm warning · wind chill advisory · blizzard warning
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