WINTER STORM WARNING
Warning Issue Date: 511 AM PST THU DEC 31 2009
CORRECTION FOR SOUTHERN GILLIAM COUNTY AND NORTHERN WHEELER COUNTY
OF OREGON (OREGON ZONE 504)
...A MAJOR WINTER STORM WILL MOVE INTO THE REGION TODAY BRINGING
A MIX OF WINTRY PRECIPITATION ACROSS THE FORECAST AREA...
WAZ026-027-312300-
/O.CON.KPDT.WS.W.0012.091231T1700Z-100101T0600Z/
KITTITAS VALLEY-YAKIMA VALLEY-
INCLUDING THE CITIES OF...ELLENSBURG...SUNNYSIDE...YAKIMA
511 AM PST THU DEC 31 2009
...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING
TO 10 PM PST THIS EVENING...
A WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING
TO 10 PM PST THIS EVENING.
* TOTAL SNOW ACCUMULATIONS OF 4 TO 6 INCHES ARE POSSIBLE FOR THE
YAKIMA AND KITTITAS VALLEYS.
* THE SNOW WILL BEGIN AROUND MIDDAY AND CONTINUE INTO THE
EVENING WITH FREEZING RAIN BECOMING POSSIBLE IN THE EVENING.
TOTAL ICE ACCUMULATIONS LESS THAN A QUARTER OF AN INCH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT SNOW
ACCUMULATIONS ARE EXPECTED. SNOWFALL INTENSITIES WILL BE HEAVY
ENOUGH TO SUBSTANTIALLY REDUCE VISIBILITIES AT TIMES. FOR
ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
WWW.WEATHER.GOV/PENDLETON.
$$
AIR STAGNATION ADVISORY
Warning Issue Date: 1010 AM PST THU DEC 31 2009
...AIR STAGNATION ADVISORY IN EFFECT UNTIL 10 AM PST THURSDAY...
THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED AN AIR
STAGNATION ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM PST
THURSDAY.
* STAGNANT AIR WILL CONTINUE IN THE YAKIMA VALLEY THROUGH AT LEAST
THURSDAY MORNING DUE TO LITTLE AIR MOVEMENT. PRECIPITATION FROM
A WINTER STORM MAY IMPROVE CONDITIONS ON THURSDAY.
* POOR AIR QUALITY MAY AFFECT PERSONS WITH RESPIRATORY PROBLEMS OR
PERSONS ENGAGED IN OUTDOOR ACTIVITIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT
OF AN AIR MASS ACROSS THE ADVISORY AREA...POLLUTION WILL INCREASE.
CHECK WITH YOUR LOCAL AIR QUALITY AGENCY FOR POSSIBLE
RESTRICTIONS IN YOUR AREA. FOR ADDITIONAL WEATHER INFORMATION...
CHECK OUR WEBSITE AT WWW.WEATHER.GOV/PENDLETON.
$$
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