077  
WWUS76 KMFR 202257  
NPWMFR  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE MEDFORD OR  
257 PM PST MON JAN 20 2025  
 
ORZ021-023>026-029>031-211800-  
/O.CON.KMFR.AS.Y.0003.000000T0000Z-250121T1800Z/  
SOUTH CENTRAL OREGON COAST-CENTRAL DOUGLAS COUNTY-EASTERN CURRY  
COUNTY AND JOSEPHINE COUNTY-EASTERN DOUGLAS COUNTY FOOTHILLS-  
JACKSON COUNTY-KLAMATH BASIN-NORTHERN AND EASTERN KLAMATH COUNTY  
AND WESTERN LAKE COUNTY-CENTRAL AND EASTERN LAKE COUNTY-  
INCLUDING THE CITIES OF POWERS, CRESCENT, DRAIN, GOLD HILL, BUTTE  
FALLS, MERLIN, PAISLEY, SPRAGUE RIVER, APPLEGATE, LAKEVIEW,  
CANYONVILLE, JACKSONVILLE, MIDLAND, TOKETEE FALLS, MYRTLE POINT,  
ASHLAND, KLAMATH FALLS, COQUILLE, FORT ROCK, NEW PINE CREEK,  
WILDERVILLE, UMPQUA, GREEN, CHEMULT, VALLEY FALLS, OLENE, BLY,  
GILCHRIST, STEAMBOAT, MEDFORD, BEATTY, ROSEBURG, CAVE JUNCTION,  
ROGUE RIVER, MYRTLE CREEK, WINCHESTER, GLENDALE, GRANTS PASS,  
ALTAMONT, ELKTON, SUTHERLIN, SHADY COVE, AND ADEL  
257 PM PST MON JAN 20 2025  
 
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST  
TUESDAY...  
 
* WHAT...A STRONG INVERSION AND STAGNANT AIR CONDITIONS NEAR THE  
SURFACE WILL CONTINUE TO TRAP POLLUTANTS.  
 
* WHERE...ALL THE VALLEYS OF SOUTHERN EASTERN AND SOUTH CENTRAL  
OREGON.  
 
* WHEN...UNTIL 10 AM PST TUESDAY.  
 
* IMPACTS...AIR QUALITY MAY BECOME WORSE UNDER THIS INVERSION.  
 
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.  
 
 
 
 
 
SMITH  
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