Change in Heat Advisory/Excessive Heat Warning Criteria used by NWS Jackson, KY

Effective immediately...the advisory and warning criteria used for the issuance of a heat advisory and excessive heat warning by NWS Jackson, KY will be increased to better match the criteria used by surrounding NWS offices.
 
The new criteria is as follows:
 
An excessive heat warning will be issued when the observed or anticipated maximum apparent temperature (or heat index) reaches around 110 degrees and the forecast minimum apparent temperature (or heat index) remains around 75 degrees or higher for at least a 48-hour period.
 
A heat advisory will be issued when the observed or anticipated maximum apparent temperature (or heat index) reaches around 105 degrees.
 
If heat advisory criteria is expected for four consecutive days or more...NWS Jackson will issue an excessive heat warning.
 
For questions related to this change, contact:
 
 Tony Edwards
 Warning Coordination Meteorologist
 NOAA/National Weather Service
 1329 Airport Road, Jackson, KY 41339
 Phone: 606-666-2560 ext. 726
 Email: Tony.Edwards@noaa.gov

More information on the Watch, Warning and Advisory criteria used by NWS Jackson can be found on the following page:

http://www.crh.noaa.gov/jkl/?n=criteria



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