326
WWUS75 KBOI 312052
NPWBOI
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOISE ID
152 PM MST SAT JAN 31 2026
IDZ012-033-ORZ064-011400-
/O.CON.KBOI.AS.Y.0002.000000T0000Z-260206T1800Z/
LOWER TREASURE VALLEY-UPPER WEISER RIVER-OREGON LOWER TREASURE
VALLEY-
INCLUDING THE CITIES OF COUNCIL, INDIAN VALLEY, NAMPA, FRUITVALE,
GOODRICH, ONTARIO, CALDWELL, GLENDALE, MESA, NYSSA, AND CAMBRIDGE
152 PM MST SAT JAN 31 2026 /1252 PM PST SAT JAN 31 2026/
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST /10 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...LOWER TREASURE VALLEY ZONES, AND UPPER WEISER RIVER.
* WHEN...UNTIL 11 AM MST /10 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.
LC
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