While oceanic El Nino onset was announced by NOAA in June, the atmosphere is lagging with a lingering memory of the 2020-23 lengthy La Nina keeping atmospheric ENSO in neutral phase.
The ERCOT System daily temperature average persists in the excessive hot zone into early next week. However, all forecast models are indicating the extreme heat should ease slightly.
Regions of drier change during the past 3 months outnumber the wetter change by 14-4. One possible explanation is the increased mid-atmospheric high pressure related to large regions of anomalous warm SSTA and causing dry climate.