496
WWUS76 KPDT 121951
NPWPDT
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
1151 AM PST MON JAN 12 2026
ORZ041-044-507-508-510-511-WAZ024-026>029-521-132200-
/O.NEW.KPDT.AS.Y.0002.260113T1500Z-260116T1500Z/
EASTERN COLUMBIA RIVER GORGE OF OREGON-LOWER COLUMBIA BASIN OF
OREGON-FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-NORTH CENTRAL
OREGON-CENTRAL OREGON-EASTERN COLUMBIA RIVER GORGE OF WASHINGTON-
KITTITAS VALLEY-YAKIMA VALLEY-LOWER COLUMBIA BASIN OF WASHINGTON-
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-SIMCOE HIGHLANDS-
INCLUDING THE CITIES OF PROSSER, ARLINGTON, PENDLETON, BEND,
TRI-CITIES, IONE, DUFUR, REDMOND, CONDON, YAKIMA, MORO,
WAITSBURG, GOLDENDALE, SUNNYSIDE, HERMISTON, PRINEVILLE, CONNELL,
WALLA WALLA, HEPPNER, DAYTON, TOPPENISH, BICKLETON, FOSSIL, PILOT
ROCK, BOARDMAN, ATHENA, NACHES, ELLENSBURG, MAUPIN, THORP,
MADRAS, WHITE SALMON, AND THE DALLES
1151 AM PST MON JAN 12 2026
...AIR STAGNATION ADVISORY IN EFFECT FROM 7 AM TUESDAY TO 7 AM PST
FRIDAY...
* WHAT...POOR AIR QUALITY WILL CONTINUE. THIS IS DUE TO AN INVERSION
AND STAGNANT AIR CONDITIONS NEAR THE SURFACE THAT WILL CONTINUE TO
TRAP POLLUTANTS.
* WHERE...PORTIONS OF CENTRAL, NORTH CENTRAL, AND NORTHEAST OREGON
AND CENTRAL, SOUTH CENTRAL, AND SOUTHEAST WASHINGTON.
* WHEN...FROM 7 AM TUESDAY TO 7 AM PST FRIDAY.
* IMPACTS...POOR AIR QUALITY MAY CAUSE ISSUES FOR PEOPLE WITH
RESPIRATORY PROBLEMS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT OF
AN AIR MASS ACROSS THE ADVISORY AREA, POLLUTION HAS THE POTENTIAL TO
INCREASE TO DANGEROUS LEVELS. PERSONS WITH RESPIRATORY ILLNESS
SHOULD FOLLOW THEIR PHYSICIANS ADVICE FOR DEALING WITH HIGH LEVELS
OF AIR POLLUTION DURING PERIODS OF STAGNANT AIR, STATE AIR QUALITY
AGENCIES HIGHLY RECOMMEND THAT NO OUTDOOR BURNING OCCUR AND THAT
RESIDENTIAL WOOD BURNING DEVICES BE LIMITED AS MUCH AS POSSIBLE.
ACCORDING TO STATE AIR QUALITY AGENCIES, PROLONGED PERIODS OF
STAGNANT AIR CAN HOLD POLLUTANTS CLOSE TO THE GROUND, WHERE PEOPLE
LIVE AND BREATHE. CHECK WITH YOUR LOCAL BURN AGENCY FOR ANY CURRENT
RESTRICTIONS IN YOUR AREA.
ORZ049-132200-
/O.CON.KPDT.WI.Y.0004.000000T0000Z-260113T2200Z/
GRANDE RONDE VALLEY-
INCLUDING THE CITIES OF LA GRANDE, UNION, ELGIN, AND COVE
1151 AM PST MON JAN 12 2026
...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PST TUESDAY FOR LADD
AND PYLES CANYONS...
* WHAT...SOUTH WINDS 25 TO 35 MPH WITH GUSTS UP TO 50 MPH FOR LADD
AND PYLES CANYONS.
* WHERE...GRANDE RONDE VALLEY.
* WHEN...UNTIL 2 PM PST TUESDAY.
* IMPACTS...GUSTY WINDS WILL BLOW AROUND UNSECURED OBJECTS. TREE
LIMBS COULD BE BLOWN DOWN AND A FEW POWER OUTAGES MAY RESULT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT, ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.
MR
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