The change went into effect on June 2, 2025, and allowed Alaska forecast offices to relay heat information and impacts, according to The Weather Channel. It was in response to the unusual warmth in the region,

The National Weather Service has issued a Heat Advisory for parts of New Jersey and Pennsylvania, with “heat index values up to 99 expected” and the potential for it to feel even hotter in the sun. The advisory is in effect from 11 a.

The state, which previously issued information about high temperatures using special weather statement, has issued its first heat advisory.