Learn the role weather plays in a power shutoff


If weather forecasts indicate gusty winds and dry conditions, combined with a heightened fire risk, it may be necessary for us to turn off the electricity serving that area. This is called a Public Safety Power Shutoff (PSPS). Learn more about a PSPS.



  IMPORTANT: This map does not reflect the most detailed and up to date information about announced Public Safety Power Shutoff events. For the latest information visit pge.com/pspsupdates.

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.

 

Find your PG&E Geographic Zone and 7-day key below.

Friday, January 15, 2021 

NOTE: This forecast is based on weather conditions and fuel moisture content only and does not include other criteria used to determine whether a PSPS may be necessary.

No Public Safety Power Shutoff (PSPS) events are expected for the next 7 days, but a strong offshore wind event is being monitored closely. High pressure will remain in place today through parts of Sunday, resulting in areas of valley fog and above normal temperatures. Sunday afternoon into the beginning of next week, a low-pressure system will move south along the spine of the Sierra into Southern California while strengthening.  This system will be dry and thus the main impact will be an unusually prolonged period of breezy to gusty north to northeast winds Sunday night into Tuesday.  Winds begin increasing across Northern California Sunday afternoon/evening and will spread south into the Central/Bay areas Sunday night into early Monday. These strong offshore winds will then continue moving south across the state Monday and look to peak across Central and Southern California Monday evening through Tuesday, before calming and exiting on Wednesday.  As it relates to PSPS, the mitigating factor in this scenario is that the winter season grass crop has emerged in many areas.  However, locations across the far south where the grass crop has not yet emerged significantly will need to be monitored and studied closely today.  After the period of offshore winds, calmer conditions and closer to normal temperatures are then expected Thursday, with an additional weather system potentially moving into CA Friday. This system currently looks to bring parts of the state some light precipitation and some minor southerly to westerly winds. The US Drought Monitor still indicates that most of Northern CA is in severe to extreme drought at this time; however, recently observed and forecast precipitation will provide beneficial increases in fuel and soil moisture values along with the growth of the annual grass crop.

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 and should not be used for any other purpose or by any other entity. This forecast only provides a broad overview for a potential Public Safety Power Shutoff (PSPS) event in the next 7 days as determined from an analysis of forecasted 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 broad PG&E Geographic Zones numbered 1 - 9; however, PSPS decisions are made at more granular levels; thus, only a portion of a zone 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.

Explore PG&E's weather map



Whether it's a big winter storm on the horizon or an extended spell of hot and dry weather, PG&E continuously monitors the weather to make sure we're ready to respond to whatever hits our service area. A team of meteorologists analyzes information around the clock to make sure we have the right data to plan ahead and help our customers prepare.


This interactive weather map was created by collecting information from weather stations or cameras throughout PG&E's service territory. The weather stations can vary in the type of information collected (for example, one may report wind only, while another may report humidity, temperature, wind speed and more). Also, each weather station includes its own information timestamp.


We've made this map available to our customers so that you can have the latest information that may affect your plans to help you prepare. Learn how to use the interactive features to display the data you want to see by clicking on the information bar below the map.

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The information displayed on and available through this webpage 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.

SAFETY TIP: Help us reach you when it’s important. Make sure we have your correct email address and phone number so we can reach out to you in advance of a public safety power outage, when and where possible.


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