Heat

• Advisory: A heat advisory is issued when the heat index value is expected to reach 105 degrees within the next twelve (12) to twenty-four (24) hours along with a nighttime low not forecast to fall below 80 degrees; a heat advisory may be issued for lower criteria if it is early in the season or during a multi-day heat wave
• Watch: N/A
• Warning: N/A

Excessive Heat

• Advisory: N/A
• Watch: An excessive heat watch is issued when there is a potential for the following criteria to occur in the next twenty-four (24) to forty-eight (48) hours – head index greater than or equal to 115 degrees for three (3) hours AND/OR head index greater than or equal to 105 degrees for three (3) days; these criteria are subjective based on region; the values listed above are based on the National Weather Service standard for the United States
• Warning: An excessive heat warning is issued when it is likely that the following criteria will be met within the next twelve (12) to twenty-four (24)  hours – heat index greater than or equal to 115 degrees for three (3) hours AND/OR heat index greater than or equal to 105 degrees for three (3) days; and excessive heat warning may be issued for lower criteria if it is early in the season or during a multi-day heat wave; these criteria are subjective based on region; the values listed above are based on the National Weather Service standard for the United States