Heat — San Diego County Deserts, California

2023-10-18 to 2023-10-20 · San Diego County Deserts, California

Event narrative

High temperatures across portions of the San Diego County Deserts on October 18th through the 20th were notably hotter than seasonal normal. Highs at Borrego Springs ranged from 99 to 104 degrees during this time.

Wider weather episode

High pressure at middle and upper levels of the atmosphere led to another round of weak Santa Ana Winds across portions of Southern California. The primary impact from the Santa Anas was hot daytime temperatures, with multiple daily records set during this event.

Source: NOAA Storm Events Database, event_id 1144540. Narrative written by the NWS forecast office that issued the report.