130
WWUS75 KBOI 300958
NPWBOI
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOISE ID
258 AM MST TUE DEC 30 2025
IDZ012-014-016-028-033-ORZ061>064-302200-
/O.EXT.KBOI.AS.Y.0005.000000T0000Z-260103T1200Z/
LOWER TREASURE VALLEY-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 CORRAL, MALHEUR CITY, HILL CITY, BURNS,
DUNNEAN, BUCHANAN, BAKER, CALDWELL, BLAINE, BOISE, FRUITVALE,
NYSSA, CAMBRIDGE, FAIRFIELD, NEW PRINCETON, MESA, CRANE, TWIN
FALLS, VENATOR, COUNCIL, INDIAN VALLEY, SELBY, GLENDALE, NAMPA,
ONTARIO, GOODRICH, DIAMOND, AND SOLDIER
258 AM MST TUE DEC 30 2025 /158 AM PST TUE DEC 30 2025/
...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 5 AM MST /4 AM PST/
SATURDAY...
* 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/ SATURDAY.
* 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.
LC
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