Heat Advisory This product is issued by the National Weather Service when excessive heat may pose a hazard or is life threatening if action is not taken. The criteria for this advisory varies from state to state.
Heat Advisory- Issued when heat index is expected to reach at least 100F but less than 105F, or when nighttime lows are expected to remain above 80F.
Heat Advisory
Issued within 12 hours of the onset of the following conditions: heat index of at least 105?Ǭ?F but less than 115?Ǭ?F for less than 3 hours per day, or nighttime lows above 80?Ǭ?F for 2 consecutive days.
Heat Exhaustion ...
HEAT ADVISORY: Issued when the Heat Index is expected to exceed 105 during the day and 80 during the night for at least two consecutive days.
For nighttime values of 80 F or above and daytime values 105 F or more, the National Weather Service usually issues a heat advisory. These conditions can cause fatigue, heat cramps, sunstroke or heat exhaustion in some people.
 See also: High pressure, Temperature, Severe Thunderstorm, Thunder, Relative Humidity
  
|
RSS
