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7-Day Public Safety Power Shutoff Forecast

Green Circle1/16: No Public Safety Power Shutoff

Green Circle1/17: No Public Safety Power Shutoff

Green Circle1/18: No Public Safety Power Shutoff

Green Circle1/19: No Public Safety Power Shutoff

Green Circle1/20: No Public Safety Power Shutoff

Green Circle1/21: No Public Safety Power Shutoff

Green Circle1/22: No Public Safety Power Shutoff

PG&E Weather Team Comments

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The information in this map is intended only to provide customers with a general estimate regarding potential locations that may be impacted by a PSPS event should one become necessary. Conditions affecting a possible PSPS event can change quickly and the actual impact of a future PSPS event is uncertain.

 

Wednesday, January 15, 2025

NOTE: This forecast is based on weather conditions and fuel moisture content only. It does not include other criteria used to determine whether a PSPS may be necessary. This forecast only provides a broad overview for a potential PSPS event in the next 7 days. It is determined from an analysis of forecast weather, the potential for wind-related damage, and fuel moisture content in dead and live vegetation. It is not a fire danger forecast. The forecast is broken down by county. PSPS decisions are made at more granular levels. Only a portion of a county may experience a PSPS event. While a PSPS event may not be expected for an area, due to the interconnectivity of the grid any location within PG&E territory may be subject to PSPS event.

PG&E 7 Day Public Safety Power Shutoff (PSPS) and Enhanced Powerline Safety Settings (EPSS) Potential: Wednesday January 15, 2024 Afternoon Update: Winds across the Tehachapis have subsided and PG&E crews are actively working to safely restore power as soon as possible. All PSPS Warnings have ended. Morning Discussion: A moderately strong Santa Ana wind event is ongoing across Southern California and will continue through this evening with gusts in the 25-45 mph range across the Tehachapis and I-5 corridor (Grapevine). Offshore flow will likely continue across Southern California through Thursday; although, winds are expected to diminish in strength during this time. Relative humidity values will remain in the 20-40% range (or lower during the day) as offshore flow persists. Real-time and updated forecast data will be utilized to make the all-clear decision and initiate the patrol and restoration process once conditions are safe. Elsewhere across the territory, fair and dry weather is expected to continue through the weekend with mild daytime temperatures, chilly overnight temperatures, and light to breezy offshore winds. PG&E Meteorology is monitoring another offshore wind event early to mid-next week. Details related to the timing and strength of the winds remain unclear at the moment. Fuels: New growth of the annual grass crop is occurring for many areas in the central and northern part of the territory. However, live fuel moisture values will remain seasonably low as brush is in winter dormancy. Dead fuel moisture varies across the territory, with higher values in the North where precipitation is ample, but much lower across the South where precipitation has been more lacking. Recent dry, offshore wind events have lowered dead fuel moisture values across portions of the far South. The latest 4 Month Seasonal Outlook from Northern Operations Predictive Services is forecasting normal fire activity from January through April. Southern Operations Predictive Services is forecasting above normal fire activity for the South Coast area until significant precipitation occurs, with normal fire activity elsewhere. There are 35 of 788 circuits in High Fire Risk Areas (HFRA) that are EPSS-enabled today. The remaining 753 circuits in HFRA will have devices postured in normal settings due to low FPI rating. Additionally, 2 EPSS Buffer-only circuits are enabled today.

PLEASE NOTE: This forecast is published daily by an operational meteorologist from PG&E's Meteorology and Analytics team. This forecast has been customized for PG&E utility operations. It should not be used for any other purpose or by any other entity.

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