Weather statement indicating high heat index values
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A heat advisory is a notice issued by the National Weather Service of the United States. 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 through conditions such as heat stroke.[1]
^National Weather Service. "Heat Advisory". Glossary - National Weather Service. Retrieved 18 May 2011.
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(or more likely a tornado emergency) will be issued instead. Small Craft Advisory Flag Gale Warning Flags Storm Warning Flag Hurricane Warning Flags The...
Canada, also include high rainfall rate. Others may instead issue a flood advisory or in the case of the National Weather Service, a flash flood warning....
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indicate the level of the alert as an "advisory"/"statement", "watch" or "warning" (either amber or green for advisories and statements, orange or yellow for...
Olle Use Hiking, Education Difficulty Easy, Medium, High Season All (heatadvisory for July and August) Months All (particularly April, May, September...
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