The “Weather Alerts” page shows a graphic of the CONUS and the location of any current Weather Alerts that are in effect. These are updated by the National Weather Service SPC division continuously. Also a depiction of the type of alerts that are shown on the main graphic are listed below. So at a quick glance you can see if there are any current alerts for your local area.
These updated are continuously updates across the Continental U.S. (CONUS) Any advisories or warnings depicted here are current and in effect. Local alerts will show up in the San Bernardino alerts box, by clicking on this box local weather alerts will be shown here.