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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.
Extreme cold warning NPW – Dangerously cold air temperatures and/or wind chills, capable of causing life-threatening medical conditions (such as severe frostbite and hypothermia) or death associated with accelerated heat loss from exposed skin, are forecast to meet or exceed locally defined warning criteria for more than three hours over at ...
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.
Extreme heat is a global issue too. High temperatures are taking a toll abroad, prompting health alerts in a number of countries and causing hundreds of fatalities in Saudi Arabia.
Hazardous seas warning; Hazardous seas watch; Hazardous weather outlook; Heat advisory; Heavy freezing spray warning; Heavy freezing spray watch; Heavy snow warning; History of Atlantic hurricane warnings; Hong Kong rainstorm warning signals; Hong Kong tropical cyclone warning signals; HURCON; Hurricane force wind warning; Hurricane local statement
‘Extreme’ heat warning escalated as UK set to roast in 30C scorcher. Thursday 8 June 2023 17:42, Sam Rkaina. A heat health warning for parts of England has been upgraded from yellow to amber ...
Parts of this article (those related to PDS wind chill warning) need to be updated. The reason given is: PDS Wind Chill Warning should be updated to PDS Extreme Cold Warning (as of October 2024, the NWS has officially renamed this product). Please help update this article to reflect recent events or newly available information. (October 2024)
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