* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Heat Advisory, hot conditions with maximum temperatures in the low-80s to low-90s. Mild minimum temperatures and weak onshore flow will limit overnight relief.
* WHERE...Northern Monterey Bay.
* WHEN...For the Dense Fog Advisory, until 9 AM PDT this morning. For the Heat Advisory, from 11 AM this morning to 10 PM PDT Sunday.
* IMPACTS...For the Dense Fog Advisory, low visibility could make driving conditions hazardous. For the Heat Advisory, this level of heat affects anyone without effective cooling and/or adequate hydration. Impacts likely in some health systems, heat-sensitive industries and infrastructure.