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Staying Cool in a Summer Heatwave

Here are some suggestions for staying cool as the summer approaches.

Key Points

  • Summer heat can see sustained triple digit temperatures which may cause strain to the state’s power grid and may impact the operations of facilities.

  • Increased runoff from snowpack melt in the Sierras may cause downriver flooding in low elevation areas, which may impact transportation.

Potential Impacts/Risks

  • Significant increase in potential for heat-related illnesses.

  • Heat impacts for those working outside or in a vulnerable population.

  • The elderly or those who may be more sensitive to heat, are at greater risk. Individuals who fall into this category should be especially careful by drinking plenty of water, reducing outdoor exposure, staying out of the sun, seeking a cooler location for the day if no air conditioning is available in the living quarters, and/or asking a friend or relative to check in on them frequently.

Heat Safety Tips

  • Drink plenty of water.

  • Never leave people or pets in enclosed vehicles, even for a short period of time.

  • When possible, reschedule strenuous activities to early morning or evening.

  • Know the signs and symptoms of heat exhaustion and heat stroke. Heat stroke is an emergency – call 9-1-1.

  • Wear light weight and loose-fitting clothing when possible.

  • Anyone outdoors without access to water and shade will be at risk of heat cramps, heat exhaustion, and even heat stroke.

  • Monitor the latest forecasts and warnings for updates on this situation.

Helpful Resources

For more information regarding specific conditions in your region, please visit:

Below are some resources regarding Extreme Heat:

CDC fact sheets are also available for those especially vulnerable to heat exhaustion and stroke:

If your Tribal community or Tribal Health Program is impacted by the extreme heat temperatures, you may contact the DHCS Tribal Emergency Preparedness and Response Program (TEPRP) Coordinator at or at 916-713-8621 and we can assist you to get in contact with resources and assistance. We can help coordinate communication or provide points of contacts to assist in attaining any resources.

Take Care and Stay Safe.


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