AIR STAGNATION ADVISORY Warning Issue Date: 941 AM PST TUE NOV 18 2008
...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 12 PM PST TUESDAY... THE AIR STAGNATION ADVISORY IS NOW IN EFFECT UNTIL 12 PM PST TUESDAY. LACK OF MIXING FROM THE GROUND THROUGH THE LOWER ATMOSPHERE WILL ALLOW THE LEVEL OF POLLUTANTS...AND OTHER PARTICULATE MATTER SUCH AS DUST...TO RISE. PERSONS WITH RESPIRATORY ILLNESS SHOULD FOLLOW THEIR PHYSICIANS ADVICE FOR DEALING WITH HIGH LEVELS OF AIR POLLUTION. THE GENERAL PUBLIC IS URGED TO FOLLOW THE INSTRUCTIONS AND GUIDANCE FROM LOCAL AND STATE CLEAN AIR AND ENVIRONMENTAL AGENCIES. THE POSSIBILITY FOR FOG AND LOW CLOUDS WILL ALSO INCREASE DURING THIS TIME. HIGH PRESSURE WILL CONTINUE OVER THE REGION THROUGH TUESDAY. WARM AIR ALOFT AND COOLER AIR AT THE SURFACE...ALONG WITH SHORT DAYS AND LONG NIGHTS WILL COMBINE FOR REDUCED MIXING AND PERSISTENT STAGNANT CONDITIONS. THE STORM TRACK IS FORECAST TO SLOWLY SAG SOUTH DURING THE NEXT COUPLE OF DAYS...ALLOWING FOR WEST AND SOUTHWEST FLOW TO MIX DOWN TO THE SURFACE. $$