368
WWUS75 KBOI 112004
NPWBOI
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOISE ID
104 PM MST SUN JAN 11 2026
IDZ011>014-016-028-033-ORZ061>064-122100-
/O.CON.KBOI.AS.Y.0001.000000T0000Z-260116T1200Z/
WEST CENTRAL MOUNTAINS-LOWER TREASURE VALLEY-BOISE MOUNTAINS-
UPPER TREASURE VALLEY-WESTERN MAGIC VALLEY-CAMAS PRAIRIE-UPPER
WEISER RIVER-HARNEY COUNTY-BAKER COUNTY-MALHEUR COUNTY-OREGON
LOWER TREASURE VALLEY-
INCLUDING THE CITIES OF CASCADE, VENATOR, PINE, BOISE, CAMBRIDGE,
BURNS, BAKER, NEW PRINCETON, FRUITVALE, SELBY, MESA, NAMPA,
DUNNEAN, GOODRICH, NYSSA, CORRAL, FAIRFIELD, DIAMOND, MCCALL,
ONTARIO, SOLDIER, OLA, BLAINE, BUCHANAN, CALDWELL, TWIN FALLS,
INDIAN VALLEY, CRANE, BIG CREEK, GLENDALE, MALHEUR CITY, COUNCIL,
ANDERSON DAM, PRAIRIE, HILL CITY, BEAR, CUPRUM, AND WARM LAKE
104 PM MST SUN JAN 11 2026 /1204 PM PST SUN JAN 11 2026/
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ FRIDAY...
* WHAT...AN EXTENDED PERIOD OF STAGNANT AIR, WITH LIGHT WINDS AND
LITTLE VERTICAL MIXING. THIS IS DUE TO AN INVERSION NEAR THE
SURFACE THAT WILL CONTINUE TO TRAP POLLUTANTS.
* WHERE...PORTIONS OF SOUTH CENTRAL AND SOUTHWEST IDAHO AND
NORTHEAST AND SOUTHEAST OREGON.
* WHEN...UNTIL 5 AM MST /4 AM PST/ FRIDAY.
* IMPACTS...POOR AIR QUALITY MAY CAUSE ISSUES FOR PEOPLE WITH
RESPIRATORY PROBLEMS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PERSONS WITH RESPIRATORY ILLNESS SHOULD FOLLOW THEIR PHYSICIANS
ADVICE FOR DEALING WITH HIGH LEVELS OF AIR POLLUTION DURING PERIODS
OF STAGNANT AIR.
JDS
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