428
WWUS75 KBOI 032104
NPWBOI
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOISE ID
204 PM MST TUE FEB 3 2026
IDZ012-014-016-033-ORZ062>064-042200-
/O.CON.KBOI.AS.Y.0002.000000T0000Z-260209T1200Z/
LOWER TREASURE VALLEY-UPPER TREASURE VALLEY-WESTERN MAGIC VALLEY-
UPPER WEISER RIVER-BAKER COUNTY-MALHEUR COUNTY-OREGON LOWER
TREASURE VALLEY-
INCLUDING THE CITIES OF GOODRICH, TWIN FALLS, MALHEUR CITY,
CALDWELL, NAMPA, BAKER, COUNCIL, INDIAN VALLEY, FRUITVALE,
ONTARIO, MESA, NYSSA, CAMBRIDGE, BOISE, AND GLENDALE
204 PM MST TUE FEB 3 2026 /104 PM PST TUE FEB 3 2026/
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ MONDAY...
* 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/ MONDAY.
* 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.
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