DENSE FOG ADVISORY
Warning Issue Date: 255 PM PST FRI DEC 25 2009
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST
SATURDAY...
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST SATURDAY...
THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A DENSE FOG
ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM PST SATURDAY. AN AIR
STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY.
* DENSE FREEZING FOG WILL DEVELOP AGAIN FROM LATE AFTERNOON
THROUGH THIS EVENING.
* WIDESPREAD VISIBILITY OF A QUARTER MILE OR LESS AND AND ICY
CONDITIONS INTO SATURDAY MORNING.
* POOR VENTILATION AND DIMINISHING AIR QUALITY IN THE VALLEYS.
* IMPROVEMENT EXPECTED SATURDAY NIGHT THROUGH SUNDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT
OF AN AIRMASS ACROSS THE ADVISORY AREA...POLLUTION WILL INCREASE.
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE.
IF DRIVING...SLOW DOWN...USE YOUR HEADLIGHTS...AND LEAVE PLENTY
OF DISTANCE AHEAD OF YOU.
$$
AIR STAGNATION ADVISORY
Warning Issue Date: 255 PM PST FRI DEC 25 2009
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST
SATURDAY...
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST SATURDAY...
THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A DENSE FOG
ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM PST SATURDAY. AN AIR
STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY.
* DENSE FREEZING FOG WILL DEVELOP AGAIN FROM LATE AFTERNOON
THROUGH THIS EVENING.
* WIDESPREAD VISIBILITY OF A QUARTER MILE OR LESS AND AND ICY
CONDITIONS INTO SATURDAY MORNING.
* POOR VENTILATION AND DIMINISHING AIR QUALITY IN THE VALLEYS.
* IMPROVEMENT EXPECTED SATURDAY NIGHT THROUGH SUNDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT
OF AN AIRMASS ACROSS THE ADVISORY AREA...POLLUTION WILL INCREASE.
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE.
IF DRIVING...SLOW DOWN...USE YOUR HEADLIGHTS...AND LEAVE PLENTY
OF DISTANCE AHEAD OF YOU.
$$
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