The joys of running https
Blocked loading mixed active content “http://water.weather.gov/ahps/region_iframe.php?wfo=sew&fcst…122.1617627685618&default_zoom=9&map_type=roadmap&scale=true”
You have mixed content blocked (secure) - just change IFrame url to https
re. rivers details, presumably it's like it says ?
Warning: Use of undefined constant action - assumed 'action'
You might have action instead of $action ??