Heat Product Criteria Change Effective May 1, 2024

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Public Information Statement
National Weather Service Columbia SC
230 PM EDT Mon Apr 1 2024

To:  Subscribers:
 -NOAA Weather Wire Service
 -Emergency Managers Weather Information Network
 -NOAAPort
 Other NWS Partners, Users and Employees

From:  John Quagliariello, Warning Coordination Meteorologist
 NWS Weather Forecast Office Columbia, SC

Subject: Heat Product Criteria Change

Effective Wednesday, May 1, 2024, at 12 PM EDT, the Weather
Forecast Office in Columbia, SC will implement a new criteria for
heat products across central South Carolina and east-central
Georgia. This revised criteria was based on user feedback and heat
health data from recent excessive heat episodes and will help to
enhance heat related advisory and warning products.

Heat Advisory
-------------

Old Criteria: Heat index of 110-114 for at least 2 hours or more.
New Criteria: Heat index of 108-112 for at least 2 hours or more.


Excessive Heat Watch/Warning
----------------------------

Old Criteria: Heat index of 115 or higher for at least 2 hours or more.
New Criteria: Heat index of 113 or higher for at least 2 hours or more.


For more information, please contact:

John Quagliariello
Warning Coordination Meteorologist
Weather Forecast Office Columbia, SC
phone: 803-765-5501 ext. 223
email: John.Quagliariello@noaa.gov

$$