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Heat in Mariposa - Madera Lower Sierra, California

Heat July 21, 2023 – July 23, 2023 · Mariposa - Madera Lower Sierra, California

What the National Weather Service wrote

Daytime highs ranged between 98 and 103 degrees on July 21 and between 100 and 105 degrees on July 22 and 23.

The wider storm

A large area of upper high pressure strengthened over the Desert Southwest region on July 21 and brought a period of dangerous heat to much of the area between July 21 and July 23. The ridge weakened by July 24 which allowed for a slight cooling trend to take place by July 25. Although temperatures remained above daily climatological normals for several days afterwards, temperatures remained below dangerous heat levels.

Source: NOAA Storm Events Database, event 1104079. Narratives are written by the National Weather Service forecast office that issued the report.

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